122
,y .
r - - . M E T R E V IE W
:-5~ LET LET SP SPEC ECIAL IALIST IST
P P A C TI TI CE CE T E S T - I
MULTIPLE MULTIPLE CHOICE CHOICE
1.
I1
2.
I
The proces process s of expelli expelling ng product product of met metabo abolism lism in cells cells A. Digestion
C.Respiration
B. Excretion
D. Circulation
Access Accessory ory organ organ of digest digestion ion for storing storing bile A. Pancreas C. Gall bladder B. Spleen
D.Liver
I 3.
Gene Geneti tic c Eng Engin inee eeri ring ng proc proces ess s wh whic ich h invo involv lves es comb combin inin ing g cells cells similar characteristi characteristics cs and closely closely related related A. Gene cloning.C. Protoplast Fusion B. Karyotyping
4.
D. Hybridoma
Acco Accord rding ing to he herr fathe father, r, Sophia Sophia wo would uld be a brigh brightt stud studen entt becai of havin having g a wider wider forehe forehead. ad. What What could be inferre inferred d from from this this be of the father? A. The The cere cerebr brum um is th the e large largest st pa part rtof of th the e brai brain n associated with thoughts B. The The cereb cerebel ellum lum is th the e seat seat of inte intelli llige genc nce e C.
Hypo Hypoth thala alamu mus s is asso associa ciate ted d with with em emot otion ions s
D. The The cere cerebr brum um coor coordin dinat ates es th the e funct functio ion n of all all pa parts rts 5.
The The most ost impo import rtan antt caus cause e of grad gradua uall dimi dimini nish shin ing g of of.. biodi biodive vers rsit ity y is A. Glob Global al wa warmi rming ng B. Ozon Ozone e layer layer de deple pleti tion on C. Ra Rapid pid cons consum umpt ptio ion n of plant plants s & animals D. Ha Habit bitat at de dest stru ruct ction ion
- .Y .- I" '"
M ET R EV IEW
1 Z 2 :~'j;.,JLET SPECIALIST
PPACTICE PPACTICE TEST -I-I
MULTIPLE CHOICE 1.
2.
The process of expelling product of metabolism A.
Digestion
C.Respiration
B.
Excretion
D. Circulation
Accessory organ o off digestion for storing bile A. Pancreas C. Gall bladder B.
3.
in cells
Spleen
Genetic Engineering
D. Liver process wh which involves co. bining cells with
simil similar ar chara charact cter erist istics ics and close closely ly rela relate te A. Gene cloning C. Protoplast B. 4.
Karyotyping
Fusiop
D. Hybridoma
According to h he er father, Sophia wo would be a bright student because of hav havin ing g a wide widerr fore forehe head ad.. What What coul could d be infe inferr rred ed from from this this be belilief ef of the fath father er? ? A. The The cer cereb ebr~ r~m m
is the the larg larges estt partof the the brai brain n
associ associat ated ed with with thoug thought hts s B.
The The cere cerebe bell llum um
C.
Hypo Hypoth thal alam amus us
D. The ce cerebrum 5.
The most imp important biod biodiv iver ersi sity ty
is the the seat seat of inte intell llig igen ence ce is asso associ ciat ated ed with with em emot otio ions ns coo coordinate ates
the function ion
cause of gradual diminishing
is
A.
Glob Global al war warming ming
B.
Ozone layer yer deplet letio
C.
Rap apid id cons consum ump p
D.
Habi Ha bita tatt de dest stru ruct ctio ion n
ion ion of of plan plants ts & an anim imal als s
of all parts o f.
-:;'Y:-' LET SPECIALIST
6.
Cross of
Rr x Rr will produce offspring with a phenotypic A. 4:0 C.1:3 B.3:1
7.
IL J
ratio of of
D.1:2:1
What harmful gasesr-e-leased fro from burning of fossil fu fuels cause acid rain? rain? A. Ozon Ozone e an and d Ca Carb rbon on diox dioxid ide e B. Hydr Hydrog ogen en an and d Oxyge Oxygen n CooSulfur Dioxide and Nitrogen Nitrogen D. Ca Carb rbon on dioxi dioxide de an and d lead lead
8.
9.
1 0.
Brain part associated with th thinking and reasoning A. Cerebrum
C. Medulla Oblongata
B. Cerebeilum
D. Hypothalamus
Gaseo eou us compou oun nd com commonly used to hast asten th the ripe pen ning of fruits its A . M e t h a ne
C. Carbon dioxide
B. Ethylene
D. Ar A r n m o n !a
Which of the fo folllowing are good sources of proteins? A. bre bread ad,, corn corn,, an and d po pota tato to B. pe peppe pper, r, ga garl rlic, ic, and toma tomato to C. milk, milk, eg eggs, gs, and be beans ans D. pap papaya, aya, eggplant eggplant,, a n d arnpalava
11.. 11
Abio biotic compon one e nt A. bacteria
that can affect livin ving thing in an ecosy osyste stem C. an animals
B. food 1 2.
Incomplete
metamorphosis
D. temperature is a characteristic
A. moth
C. skipper
B. butterfly
D. gr g rasshopper
---
of
---~
~
----
«. , : - 0 .
M ET R EV IEW
124 ~J;!kJLET LET SPECIALIST 13.. 13
Rain Ra in fo form rmat atio ion n (Hyd (Hydro rolo logi gic c cycl cycle) e) proc proces esse sess ssin incl clud ude e th the e following: A. Evaporation and sublimation B. Evaporation Evaporation and condens condensation ation C.Transpiration C.Transpiration and evapora evaporation tion D. Condensation Condensation and transpiration transpiration
14.. 14
New Ne w Tech Techni niqu que e wh whic ich h can can te tellll a pred predis ispo posi siti tion on to he hear artt att attac ach h throug through h chemic chemical al indica indicator tor in the genetic genetic mat materia eriall A. Linkage B. Gene-splicing Gene-splicing technology technology C.Gen C. Gene e Cloning Cloning D. DN DNA A typi typing ng
15.. 15
Type Typen n of cell ell wh whic ich h all all an anim imal als s are are ma made de of A. Haploid C. Hybrid B. Pr Prokaryotic
1 6.
Cashew's freshly par part is is a part of a flowe werr called led A. Ovule C. Receptacle B: Ovary
1 7.
D. Eukaryotic
D. Peducle
Lipa ipase speeds up the di digestion of A. Carbohydrates B. Vitami Vitamins ns C.Fats D. Protei Proteir.s r.s
18.. 18
Beca Becaus use e of ha havi ving ng un unde defi fine ned, d, ba bact cter eria ia and and blue bluegr gree een n a alg lgae ae we were re consid considered ered as A. Caryotic
-----
B. Eu Eucaryotic
C. Prokaryotic. D. Archaic
124
, w : , ; : . .
M ET R EV IEW
LET SPECIALIST ~J;:!~~
13.
Rain Ra in form format atio ion n
(Hyd (Hydro rolo logi gic c
cycl cycle) e) proc proces esse sess ss incl includ ude e the the
following: A. Evapo Evapora rati tion on
and sublima sublimati tion on
B. Evapora Evaporation tion and conden condensati sation on C. Tran Transp spira irati tion on
and evapo evapora rati tion on
D. Con Condens densatio ation n
14.
and trans transpir piratio ation n
New Ne w Tech Techni niqu que e wh whic ich h can can tell tell a pred predis ispo posi siti tion on thro throug ugh h chem chemic ical al indi indica cato torr
to hea heart rt atta attach ch
in the the gene geneti tic c ma mate teri rial al
A. Linkage B. Gene-sp Gene-splici licing ng
technol technology ogy
C. Gene Gene Cloning Cloning D. DNA typing
15.
16.
17.
Typen ypen of cell cell whic which h all all anim animal als s are are ma made de of A. Haploid
C. Hybrid
B. Prok.aryotic
D. Eukaryotic
Cash Ca shew ew's 's fres freshl hly y pa part rt is a pa part rt of a flow flower er call called ed A. Ovule
C. Receptacle
B: Ovary
D. Peducle
Lipa Lipase se spe speed eds s up the the dige digest stio ion n
of
A. Carbohydrates Carbohydrates B. Vitamins
C. Fats D. Proteir.s Proteir.s
18.
Beca Becaus use e of hav havin ing g un unde defi fine ned, d, consi consider dered ed as
-----
bact ba cter eria ia an and d blue bluegr gree een n alga algae e were were
A. Caryotic
C. Prokar Prokaryot yotic ic
B. Eucaryotic
D. Archa Archaic ic
19.
20.
Insulin is a hormone secreted by A. Adrenal Cortex
C. Pituitary gland
B.Adrenal Medulla
D. Islets of langerhans
A technique in determining the age of a fossil using radioactive isotopes A. counting the number of layers of sedimentary rock . B. Fossil indexing C.Radiometricdating D. Observing using a powerful microscope
21.
In seed germination, the structures that come out first from the testa which grows into the first
true leaves and roots are
A. Micropyle and hypocotyl B. Plumule and radicle C.Dicotyledons D.Testaand tegmen 22.
23.
muscles which form the walls of blood vessels and intestines are classified as Involuntary
ft.. Cardiac
C.Striated
B. Smooth
D. Non-striated
Exchangingof materials between the blood and the cells happen in c. Capillaries A. Arterioles B. Arteries
24.
D. Veins
What do you call the long and narrow tube which forms one of the mouth parts of a mosquito? A. Proboscis
C.Suckers
B. Mandible
D. Antennae
IfCJ~"M ET
123 '-> :k Jl£T 25.
R EV IEW
SPECIALIST
What do you call the ring of muscle found at the boundary between the stomach and the small intestines? CSphincter A. Septum B. Rectum D. Columnar muscle
26.
Paired hair-like structures found in each segment ofthe earthworm which function for locomotion A. (iliaC. B. Setae
27.
Flagella D. Pseudopodia
A condition in which the air sacs of the lungs are damaged and
eniarged, causing breathlessness A. Pulmonary crisis B. Bronchitis
C. Emphysema D. Bronchial irritation
2S.
It is not advisable to drink water from the sea because A. it can cause plasmolysis of the cells B'.it is toxic to the cells C. it will make the eel! burst D. it can cause crenation of the celis
29.
Biodegradation process of converting waste organic materials into humus. A. Fermentation B. Composting
30.
In Carbon cycle, the origin of oxygen is A. plants B. animals
31.
C. Shredding D. Recycling _ C.decomposers
D. air
It is difficult to use soap with water from the sea because A. seawater is poor solvent B. seawater does not lather with hard water C. seawater is saturated with gases D. seawater is dirty
32.
Which are the functions of the rods and cones of the eyes? A. Rodsand cones react to dark vision B. Rods react to dark vision, cones to colors C.Rodsdetect light, rods to colors D. Cones resP.Qn~d to light, rods for focusing
33.
Animals that produce young by means of eggs which are hatched after they have been laid by the parent, as in birds. A. Oviparous C. Viviparous B. Ovoviviparous D. Marsupials
34.
The involuntary constriction and relaxation of the muscles of the intestine, producing wave-like movements which push the contents of the canal forward. A. invaginatton
B. peristalsis C.cyclosis D.muscle contraction 35.
Which is an effective way of controlling population explosion? A. Vasectomy C.Useof condom and pills B. Hysterectomy D. population education
36.
Which Of the following must be present in an ecosystem in order to maintain life in it? 'A.Producers, carnivores, decomposers B. Producers, herbivores, decomposers C.Carnivores, decomposers, herbivores D. Herbivores, decomposers, heterotrophs
37.
Which of the following are characteristics of cardiac muscles A. Non-striated and voluntary B. Non-striated and involuntary C.Striated and voluntary D. Striated and involuntary
\~\'..,.,M ET R EV IEW
1L£ '-SkJ LET SPECIALIST
25.
What do you call the ring of muscle found at the boundary between the stomach and the small intestines? CSphincter A. Septum B. Rectum D, Columnar muscle
26.
Paired hair-like structures found in eachsegment of the earthworm which function for locomotion A. Cilia B. Setae
27.
C. Flagella D. Pseudopodia
A condition in which the air sacs of the lungs are damaged and eniarged, causing breathlessness A. Pulmonary crisis B. Bronchitis
C. Emphysema D. Bronchial irritation
2S.
It is not advisable to drink water from the sea because A. it can cause plasmolysis of the cells B',it is toxic to the cells C. it will make the eel! burst D. it can cause crenation of the celis
29.
Biodegradation process of converting waste organic materials into humus. A. Fermer'lt8tion B. Composting
30.
In Carbon cycle, the origin of oxygen is A. plants B. animals
31.
C. Shredding D. Recycling _ C.decomposers D.air
It is difficult to use soap with water from the sea because A. seawater is poor solvent B. seawater does not lather with hard water C. seawater is saturated with gases D. seawater is dirty
32.
Which are the functions
of the rods and
cones
of the eyes?
A. Rods and cones react to dark vision B. Rods react to dark vision, con-s to colors C. Rods detect light, rods to colors D. Cones respond to light, rods for focusing 33.
Animals that produce young by means of eggs which are hatched after they have been laid by the parent, as in birds.
34.
A. Oviparous
C. Viviparous
B. Ovoviviparous
D. Marsupials
The involuntary
constriction
and relaxation
intestine, producing wave-like movements of the canal forward.
of the muscles of the'
which push the contents
A. invagination B. peristalsis C. cyclosis D. muscle contraction 35.
36.
Which is an effective
way of controlling
population
explosion?
A. Vasectomy
C. Use of condom and pills
B. Hysterectomy
D. population
Which Of the following maintain life in it?
education
must be present in an ecosystem in order to
'A. Producers, carnivores, decomposers B. Producers, herbivores, decomposers
37.
C. Carnivores, decomposers,
herbivores
D. Herbivores, decomposers,
heterotrophs
Which of the following A. Non-striated
are characteristics and voluntary
B. Non-striated and involuntary C. Striated and voluntary D. Striated and involuntary
of cardiac muscles
"'..!~ MET REVIEW
128 ~;~
lET SPECIALIST
38.
An enzyme, found chiefly in saliva and pancreatic fluid, that converts starch and glycogen into simple sugars.
39.
A. amylase
C. pepsin
B. glycogenase
D. lipase
Which activity can seriously destroy ecological balance? A. burning of fossil fuels B. dumping garbage into the river C. clearing of forests D. use of aerosols containing
chemicals that
cause ozone depletion 40.
Which is the normal average red blood cell count in a healthy adults A. 4~5 million in males; 3.8 million in females B. 3.8 million in females; 7.S million in males C. 5.0 million in females; 8.8 million in males D. 5,4 million in males; 4.8 million in females
41.
He proposed
the theory
that
acquired
characteristics
can be
inherited A. Charles Darwin B. James Crick C. Gregor Mendel D. Jean Lamarck 42.
Type of asexual reproduction A. Sporulation B. Vegetative
43.
in plants
propagation
Another term for platelet
C. Binary fission D. Pollination
wtl'ieh involves in the clotting of blood
A. Erythrocytes
C. Leococytes
B. Thrombocytes
D. Macrophages
rii'"t MET REVIew ~.K' lET
44.
The parenchyma chloroplasts
SPECIALIST
(inner tissue) of a leaf, Containing
129
many
C. Apical M eriste m D. Dermis
A. Palisade mesophy/l B. Spongy meristem ~
45.
Squamous epith eliaI celisare com mon I y fo und linIng the following organs . A. kidney and ducts B.heart and blood vessels C.sweat glands D. mouth and skin
46.
47.
48.
Eagle is the predator while rat is it's -----A. foe C. prey B.parasite D. host The term which describes the relationships that exist among climate, plants and animals in a particuiar geographical region A. Biome C. Niche D. Habitat B. Biosphere Deficiency of this mineral may result in arm and leg muscles spasms, osteoporosis; depression, and high blood pressure A. Calciurr. C. Sodium B. Magnesium
49.
The butterfly's pupa stage is also called as A. Adult 8. Chrysalis
50.
D. Potassium
C. Nymph D. larvae
A structure found in large numbers in most cells, in which respiration and energy production occur. A. Mitochondria B. Chloroplast C. Cytoplasm D. Golgi bodies
,.r.,.J~ M E T R E V I E W
1:l) '-5 J < l LET SPECIALIST 51.
Nucleus containing two complete sets of chromosomes, one from each parent. A. Haploid B. Diploid
C. Polyploid D. Triploid
52.
What is the main source of all energy in the ecosystem? A. Producer C.Wind B. Sun D. Atmosphere
53.
It describes an organism with neither a distinct nucleus with a membrane nor other specialized structures A. Prokaryotic C. Multicellular B. Eucaryotic D. Non-cellular
54.
It is the largest intestinal roundworm and is the most common helminth infection of humans worldwide A. Fluke C.Ascar:s B. Flat worm D. Pin worm
55.
The "ribo" part in Deoxyribonucleic Acid (DNA) corresponds to the
_ A. nitrogenous part B.Hydrogen bonds C.Sugarcomponent D.Amino group
56.
Inorganic wastes like plastics which take years to decompose are described as A. Non-biodegradable
---
C. Recyclable
B. Biodegradable
D. Renewable ~
57.
Plant macro-nutrient which plays an important function in protein synthesis A. Nitrogen B.potassium
c. Phosphorus D. Sulfur
->j<..-
58.
59.
61.
62 .
j
-.
'Which compounds can form acid rain with water vapor in the atmosphere A,H 2 5&NO
C.° &CO
B. 502 & N0 2
D.NH
3
3
& CO
2
Owners of motor vehicles are encouraged to use this in order to reduce air pollution? A. Fuel filter -8.Unleaded gasoline
60.
:
c. High Octane gasoline D.Safe motor oil
Which of the following is considered as the most dangerous air pollut2nts. A. Solid particulates
C.Smog
B.Airborne fungal spores
D.Asbestos particles
Plantsthat live only in one growing season as in the caseof rice and corn are classified < :IS A. Annuals
C. Biennials
B.Seasonals
D. Perennials
Main reason why most marine animals live near shallow waters is because A. they feel better in the presence of the sun B.they can breath more comfortably there C.they are more safer there from their predator D.green plants live there
63.
Kind of pollution which a nuclear power plant may produce to a . body of water which can result to the abnormal growth of living organisms in the water A. Radiation B.Thermal pollution C.Air pollution D. Eutrophication
-
64.
Stem part of a dicot plant responsible for the formation of annual rings A. Bark
B.Cambium layer 65.
D.Heart
Which factor may result to a reduction in over all population size? A. Birth B. Emigration
66.
C. Pith
c.
Immigration D. Presence of infectious diseases
Which can result to increase in town's human population? A. Emigration and natality B. Emigration and mortality C. Immigration and natality D.lmmigration and mortality
67.
Animal that feeds on a variety of food of both plant and animal origin. A. Carnivore B. Herbivore
C. Omnivore D. Decomposers
68.
Which is the latest technology on eye surgery A. CTscan C. Liseof laser B.Ultrasound D. X-rayvision technology
69.
A role taken by a type of organism within its community. A. mutualism ·B.niche C.producer D. predator and prey
70.
Type of symmetry exhibited by hydra A. Lateral . C. Radial B. Bilateral D. Non-symmetrical
71.
72.
A deviation in the spherical curvature of the eye or a lens, resulting in distorted images. A. Astigmatism
C. Farsightedness
8. Glaucoma
D. Nearsightedness
--....
This doctor is the one consulted if someone suffers from stroke. A. Oncologist B. Neurologist C.Cardiologist D. Internal Medicine Doctor
73.
74.
75.
76.
n.
Which is a non-renewable source of energy? A. Fossil fuel
C. Tidal
B. Solar
D. Wind
Wh'3t trophic level is occupied by the herbivores in an ecosystem?
A. Primary consumer
C.Tertiary consumer
B.Secondary consumer
D. Decomposer
Temporary wilting of plants during high-noon is attributed to A. Rapid respiration
C.Rapid transpiration
B. Rapid photosynthesis
D. Rapid condensation
On the basis of its habitat, Kangkong can be classified as A. Hydrophyte
C. Xerophyte
B. Epiphyte
D. Mesophyte
Type of bacteria which grows best in the absence of air or oxygen. A. Aerobic B. Facultative aerobes C.Anaerobic D. Bacillus bacteria
,II!
;~MET R E V IE W
134 'MLET SPECIALIST 78.
Which pair of terms are actually referred to thesarne A Heterotroph}
organism
autotroph
B. producer, predator C. HetNotroph, D. Autotroph, 79.
herbivore parasite
Why is a bird considered warm-blooded animal? A.Temperature of the body increases during hot weather B. Temperature
of the body remains always constant
C. Temperature
of the body changes when the
environment's
temperature
changes
D. It's body is covered with feathers to keep it always warm 80.
Part of the seed that grows into the first true roots A. Radicle C. Plumule B. Hypocotyl
81.
The rernains
or impression
D. Testa or a prehistoric
plant
or animal
embedded in-rock and preserved in petrified form. A. Imprints C. Buried bones
A . Fossils 82.
D. Traces
He was a 19th Century Moravian botanist who proposed the theory of heredity based on the recurrence of characteristics as genes A. Carl Linnaeus B.tuther
83.
His extensive
Burbank
experiments
famous gene theory A. Gregor Mendel B. Luther Burbank
transmitted
C. Gregor Mendel D. Francis Crick on fruit flies led him to formulate C.Thomas Morgan D. James Watson
his
84.
The Binomial Systemof naming organism iscomposed of .. (in proper order) A. Order and Species B.Speciesand Order
_
C.Speciesand Genus D. Genusand Species
" '"
85.
86.
The ability of an animal to resemble another animal, plant or inanimate object in order to escape an enemy is known as A. Camouflage B. Mimicry . C.Adaptive coloration D. Protective mechanism Biological pigment responsible for the red coloration in red algae A. Phycocyanin C.Caroteinoid B. Fucoxanthin D.Phycoerythrin
87.
Which of the following activities are controlled byauto nomic nervous system A. Breathing and digestion B. Pain
C.Danger awareness D. Speaking and thinking 88.
89.
Which excretory organ functions in eliminating excesswater, salts and urea from our body? A. Colon
C. Skin
B. Lungs
D. Liver
What relationship is exhibited when the tree gives a safe nesting site to a bird which in turn eat the insects which damage the tree. A. Cooperation C. Mutualism B. Commensalism
D. Competition
M E T R E V IE W
IV.. i . • • • •
1J3.J~F~j LET SPECIALIST 90.
An important feature of a dicot leaf is A. parallel venation C.absence of midrib B. netted venation D. small round shapes
91.
Which of the following describts a population A. Number of butterflies in a bush B. Number of rice plants in a hectare land from January to June C.Number of snakes caught in afarm during rainy season D.Number of cats living in a house
92.
A disorder wherein a person is physically deformed and has learning difficulties because of congenital thyroid deficiency. A. Goiter C.Dwarfism E s . Cretinism D. Hyperthyroidism
93.
Messenger RNA is the form of RNA in which genetic information transcribed from DNA as a sequence of basesis transferred to .A..Ribosomes B.Golgi bodies C.Endoplasmic reticulum D. nucleolus
94.
A flexible structure containing blood vessels, attaching a fetus to the placenta during gestation. A. Oviduct
C. Placenta
B. Fallopian tubes 95.
D. Umbilical Cord
New DNA formed from the rearrangement of genetic material, especially by crossing over in chr.omosomesor by the artificial joining '~
of DNAsegments. A. Recombinant B. Cloned
• ..
C. Recessive D. Energized
"-5K-' LET SPECIALIST
96.
97.
98.
99.
It is the reason why water can go up even in tall trees A. Turgor pressure
C.T(anspiration
B.Ag2inst gravity gradient
D. Capillarity
Era which isalso known"'cfsthe age of reptiles B.Jurassic
C.Cenozoic
B. Mesozoic
D. Permian
The orientation of a plant or other organism in response to light. A. Photosynthesis
C.Thigmotropism
B.Photoreactivation
D. Phototropism
It is the process wherein bird feed it's young by swallowing the food first and then it is brought up again to their mouth to be put into the mouths of their young birds
100.
A. Scooping
C.Regurgitation
B. Swallowing
D. Maceration
In the Nitrogen Cycle, what form of nitrogen is released into the atmosphere as a result of chemical reaction by nitrogen-fixing bacteria.
101.
102.
A. Ammonia
C.Urea
B. Inert Nitrogen
D. Nitrites
Which of the following muscle has smooth striation and moves involuntarily A. Small intestine
C.Arms
B.Thigh
D. Heart
Which type of joint allows us to move our legs and arms in all directions A. Hinge
C. Sliding
B. Ball and Socket
D. Skeletal
,0':)1 0, M E T R E V I E W LET SPECIALIST
138 '4,) 103.
Fishwill succumb to death in a polluted pond mainly because A. of lack of oxygen B. there is insufficient food C.the dirty water is unhealthful D. dirt will clog the leaves of the plants
104.
A polypeptide pancreatic hormone which lowers glucose levels in the blood, a lack of which causes diabetes. A, Glucagon C. Chymotrypsin B. Insulin
105.
D. Parathormone
It is a new medical method cf treating the patient by activating his own body system of defense or resistance. A. Chemotherapy C. Immune therapy B. Passive immunity
106.
Which is responsible in spreading malarial parasites? A..Anopheles mosquitoes B. Aedes mosquitoes
107.
D. Gene therapy
C.Man D. Flies
In what way inbreeding can take place in plants? A. Cross-pollination C. Self-pollination B. Hybridization
D. Grafting
108.
What is a major problem in organ transplants? A. Antigen-antibody reaction C.Sexof donor B. Raceof recipient D. Immune Inccrnpatibility
109.
Which of the following is respo1'lsiblefor the red tide phenomenon? A. Phytoplankton C. Dinoflagellates B. Red Algae
D. Diatom
110.
The membranous tube, reinfcrced by rings of cartilage, conveying air between the larynx and the bronchial tubes, also known as the windpipes. A. Esophagus
C.Glottis
""
B. Pharynx 111.
D.Trachea
Pigment cells found ber.eath the scales of fishes which are responsible for their bright coloration. A. Bioluminiscence B.Chromatophores C.Color receptors D. light sensitive cells
112.
Which of the following is a representative of class chondrichthye? A. Whale C.Octopus B. Milk fish
113.
D. Shark
What is the sex of the offspring if an egg cell with an X chromosome is fertilized by sperm cell with an X chromosome? A. Male B. Female C. B'sexual
D. Male with a female features 114.
What do we call organisms that depend on others for their food but do not live with them and mayor may not kill them? A. Pests C. Predators B. Parasites D. Prey
115.
Which is a distinctive characteristic of an insect? A. Endoskeleton B. Hairy body
C.Three pairs of legs D. Soft body
1 40 tJ k )
~Jr~~~
116.
How do you determine the population density of grass that is grcwing in your garden? A. Count ali the grasses. B. Measure the area occupied by each grass C.Measure the area and count the number of grasses D. Make a separate count for short and tall grasses.
117.
Which is referred to a population which hasa common ancestry and exhibits a constant set of physical characteristics. A. Race C.Tribe B. Family
118.
D. Order
What symmetry is exhibited by an organism where the organs arranged originating from the center? A. Radial C.Assymetry B. Bilateral
119.
D. Lateral
A small colourless disc-shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting. A. Lymphocytes C.Thrombocytes 8. Leucocytes
120.
D. Erythrocytes
In DNt\, which IS complementary to e3ch other? A. Adenine and Cytosine B.Adenine and Thymine C.Ribose and a base D.Guanine and Thymine
121.
Which of the following is responsible for the state of turgidity in the leaves or stems of plants A. Cytoplasmic strearnlrigB.Surface Tension C.Turgor pressure O. Plamolysis
122.
Which factor contributes to an increase in flies population A. dirty place B. immigration C.emigration D. resistance to in'Secticide
123.
Which is a by-product of Photosynthesis? A. CO 2 C. 02 B'03
124.
17.5.
D. N2
In ammonification reaction, nitrate is converted into A. Protein
C. Nitrite
B.Ammonia
D. Urea
The vascular tissue in plants which conducts water and dissolved nutrients upwards from the root and also helps to form the woody element in the stem.
126.
127.
A. Xylem
C.Cambium
B. Phloem
D. Pith
The vascular tissue in plants which conducts sugars and other metabolic products downwards from the leaves. A. Xylem
C. Cambium
B. Phloem
D. Pith
In PCRmethod, the main purpose of transferring DNA fragments into Agarose gel and subjecting to electrophoresis is A. for DNA base pairing B.to separate DNAstrands C.Toarrange DNA fragments by size D.Tomake DNA bands visible
---------
-
----'-'.'-"••• nc. ---
'"'.)R'
134.
135.
136.
L IT
s
c
The transformation from single cell into a multi-cellular organism is believed to be due to A. Adaptation
C. Metamorphosis
B. Evolution
D. Genetic variation
Which will happen if a red blood cell is put in distilled water? Red blood cell will A. plasmolyse
C..swell
B. shrink
D. remain the same
Which of the following will happen if you drink sea water? A. Plasmolysis of the cells B. Poisoning of the cells C.Increased in turgor pressure of the cells D. Bursting of the cells
137.
A compound which by its breakdown in the body provides energy for physiological processes such as muscular contraction. A. Enzymes B.Adenosine Triphosphate C.Adenosine Diphosphate D. Fats
138.
139.
Diploid chromosomes do not normally Occur in A. Somatic cells
C.gametes
B. Fertilized ovum
D. Ovary
At metaphase in Meiosis I, the chromosomes are attached to the spindle fibers as A. Double chromatids B.Single chromatids C.Homologous pairs D.Tetrad of four chromatids
\"'~METRMEW
144 ~3kJ lET SPECIALIST 140.
A type of cell division that results in daughter the number of chromosomes
141.
142.
of the parent cell
A. Mitosis
c. Meiosis
B. Metaphase
D. Interphase
The bi-Iayer nature of cell membrane
is due to
A. protein components
C. Glycolipids
B. phospholipids
D. Disaccharides
The point on a chromosome
by which it is attached to a spindle fibre
during cell division. A. Centromere
C. Centriole
B. Centrosome 143.
cells each with half
D. Cell plate
A space or vesicle within membrane
the cytoplasm
of a cell, enclosed by a
and usually serves as storage of food or water in plants.
A. Collenchyma B. Vacuoles C. Pith D. Xylem and phloem vessels 144.
145.
Which of the foliowing
of cell wail?
A. Cellulose
C. Lipids
B. Proteins
D. Nucleic Acids
The thin tissue forming lining the alimentary A.Connective B. Nerves
146.
is the chemical composition
the outer layer of the body's surface and
canal and other hollow structures. tissue
c.
Epithelium
D. Skin
Which is also known as the male.gametophyte plant?
of a flowering
A. Stamen
C. Pollen
B. Pistil
D. Anther
'-5lRJ
147.
;s r
145
Oxidation is a reaction in which electrons are lost to another substance or molecule. Its opposite reaction is A. Hydration C. Hydrolysis
B. Reduction D. Oxygenation 148.
149.
150.
What structure controls the opening and closing of the stomata of leaves A. lenticel B. Mesoderm C.Guard cells D. Chloroplast Which gas is needed during seed germination A. Hydrogen B.Oxygen C. Carbon dioxide D. Nitrogen Type of relationship that exist between algae and fungi in a lichen. A. Commensalism B. Parasitism C.Competition D.Symbiotic
P R A C TI CE T E S T # 2
INSTRUCTIONS: Choose the correct answer.
1.
Fruit growers oftenpropagatetheir the resulting offspring will
plants by asexual means because _
A. be more resistant to pests. B. be more improved e. show little variation
variety than the parent. than the parent
D. bear larger fruit than the parent 2.
3.
Which of the following of Photosynthesis?
is the end product of the dark reaction phase
A. Glucose
e. Oxygen
B. Carbon dioxide
D. Fructose
Which of the following
plants has modified
.A. Grass B. Potato 4.
B. Monoecious The eyes of potato are actuaiiy A. Roots B. Flowers 6.
e. Onion D. Taro
If the staminate and pistillate flowers of plants are found in separate individuals, then it is described as A.Dioecious
s.
leaves
The green colour of chlorophyll portion of light that is _
---e.Hermaphrodite ---D. Homosexual _ e. Leaf scars and buds D. Stems is because of the green
A. absorbed
e. reflected
B. dispersed
D. refracted
,.r ...f!or MfT
148 ~ 7.
EYl
lET SPECIAUST
Which of the following plants is insectivorous A. Tomato C.Water hyacint B. Pitcher plant
D. Guava
8.
Subdivision where all flowering plants belong is A. Gymnospermae C. Pteridophyta B.Angiospermae D.Tracheophyta
9.
Which is known as the energy currency of all living things. A. ADP C.Electron B.ATP D.Sun
10.
Spraying plants with a combination of auxin and gibberellins will _ A. induce ripening of fruits B. induce flowering C.preventsenescence D. prevent insect infestation
11.
What kind of compound is released by leeches so that they can suck blood of the host with ease. A. Anti-coagulant B.Vitamin K C.Blood dissolving compound D.Antibiotics
12.
When body parts can be divided exactly into two equal halves and each half is a mirror image of the other. A. Bilateral C. Point symmetrical B. Radial
13.
D.Asymmetrical
Which is the branch of zoology toncerned with the study of fish? A. Marine Biology
C. Herpetology .
B. Icthyology
D. Ornithology
IT •.lnU:1 J(t1fU~W ~K-' LET SPECIALIST
1
14.
The class Antholoa(marine coelenterates skeletons) includes the sea anemones and A. Obel/as B. Corals
15.
C. Jellyfish
149 that secrete hard
----
D. Sea urchins
.~
Two organisms belong to the same species if they are capable of: A. Symbiotic relationships B. interbreeding in a natural way C. living harmoniously in the same eccsystem D. establishing a niche in the environment
16.
Which of the fOllOWingpairs are possible hosts of Ascaris? A. Man and cow C. Cow and pig 8. Man and dog
17.
18.
i9.
It is the only known egg-laying mammal? A. Alligator
C. Platypus
B~Bat
D. Dolphin
Which of the follOWing :sa marsupial animal? A. Wallaby
C. Heron
B. Bat
D. Dclphin
In amoeba, digestion takes place in A. Stomach B. Lysosomes
20.
D. Man and pig
-----
c. Contractile
vacuole D. Pseudopodia·
'vVhich of the follOWing are the stages in the life cycle of a grasshopper? A. Nymph, pupa, adult B. Egg,pupa, adult C. Egg,nymph, adult D. Egg,larva, pupa, adult
rthropods exhibit fast and coordinated movement because they possess
22.
_ A. exoskeleton
C.very light appendages
B. small limbs
D.jointed appendages
Towhat order does egg-laying mammal belong? A. Vertebrata C. Monotremata B.Craniata
23.
The toxic compound which the bees releasedwhen they sting comes from their __ A. proboscis B. mouth
24.
D. Ungulata
C. intestines D. salivaryglarids
Which of the following is the distinctive physical feature of Homo sapiens over the lOWErmammals?
A. larger brain B.larger heart 25.
6. Mirnicrv
C. Protective coloration D. carnouflage
An instrument which can be introduced into the body to view its internal parts. A.Scanner B. Ultrasound
27.
.D. blood vessels
vVhat kind of adaptation which makes the walking stick insect to elude its predator A. Bioluminiscence
26.
C. larger spinal chord
C.Endoscope D. X-ray
Any of the clusters of bulbous nerve endings on the tongue and in the lining of the mouth which provide the sense of taste. A. Taste buds C. Tongue epithelium B.Taste nerves
D.Taste glands
J £ - .
» 'r fr r r fc f!fr fe fu ~ d b w fn g i s
the main functiOr\ of the ivmph?
A. Anti-cogaulant B. protects the body from infection
e. helps in the lubrication of joints D. helps inthetransport 29.
of oxygen
A pituitary glycoprotein hormone that stimulates ovulation in females and the synthesis of androgen in males. A. Follicle-Stimulating Hormone(FSH) B. luteinizing Hormone(lH) e. Estrogen D. Progesterone
30.
A hormone secreted bythe anterior pituitary gland which promotes the formation of ova or sperm. A. Follicle-Stimulating Hormone(FSH) B. Luteinizing Hormorte(lH) C.Estrogen D.Testosterone
31.
A pancreatic enzyme that promotes the breakdown of fats. e . lipase A. Trypsin B.Chymotrypsin D. ProteaSE
32.
A digestive enzyme which breaks down proteins. in the small intestine, secreted by the pancreas. e . lipase A. Trypsin C. Protease
. 33.
D. Lactase
A soluble protein present in blood plasma that is responsible for blood clotting .• A. Fibrinogen B. Albumin
CvGlobulin
D. Platelets
~.J~
M E T R E V IE W
152 : - ': J < - I lET 34.
SPECIALIST
They are also known as the "soldiers of the body" because they fight the disease-causing microorganisms. A. Erythrocytes C.Lysosomes B. Leucocytes D, Antibodies
35.
36.
An artificial device for stimulating and regulating the heart muscle. A. Cardiac regulator
C. Heart pump
B.Pacemaker
D.Catheter
Which hormone promotes the development of sexualcharacteristics in female such as enlarged breasts? A.Progesterone C. Luteinizing hormone B.Testosterone
37.
It also known as the largest internal organs of the human body. A. Heart C. Small and Large instestines B. Liver
38.
D. Estrogen
D.5tomach
In what way does the liver assist the disgestive system? . A. combines with the pancreatic enzymes B. secretes bile C.converts glucose into starch D. secretes enzyme to digest proteins
39.
What do we get from fats and carbohydrates? A. Heat and energy C. Cell builders B. Cholesterol
40.
D. Growth regulators
Which part of the ear is dangerously affected when sound is of a hundred decibels? A. Eustachian tube B.Stirrup C. Anvil D.Tympanic membrane
">J"'.
Lt: I
::
:: ,;
::
41.
Which part of the neuron conducts impulse towards the cell body? A.Axon (.Synapse B. Dendrite D. Ganglia
42.
The long thread-like pa'F1. of a nerve cell along which impulses are conducted from the cell body to other cells. A. Axon C.Synapse B. Dendrite
43.
D.Gangiia
TWhat is the main function of the large intestine? A. Stores waste and food products B. Digest food into liquid form C. Exrete bile pigments from ducts D. Exrete salts and fats
44.
It is known as the "master gland" due to its wide influence on the activity of other glands. A. Parathvrotd
B. Pituitary C.Adrenal D.Thyroid 45.
Whet hormone is deficient in cretinism? A. Adrenalin B.Testosterone C.Parathormone D.Thyroxin
46.
Which of the following causes our nose to "run" when we cry? A. Mucus gland is activated B. Sinuses release water C.The lungs release water vapor D.Tearsenter the duct to the nasal cavity
~ , ,~
E T R lV lE W
154 ~
LET SPECIALIST
47.
What blood test is used to provide information reactions
between
about agglut:nation-
blood donor and recipient?
A. Complete blood count (CBC) B. Type and cross-match C. Albumin
Agglutination
D. Clotting test 48.
The membrane
or sac enclosing the heart.
A.Myelin
sheath
C. Atrial sac
B. Pericardium 49.
Which of the following
D. Septum is the name for the fluid which is a mixture
of bile and partially digested food A. Gastric fluid B. Chyme 50.
51.
C. Pancreatic fluid D. Bile mixture
What type of muscle is found in all the walis of stomach. A. Voluntary
C. Smooth
B. Striated
D. Cardiac
Which explains the more reddish appearance of our lips than our palm? A. There are many blood vessels in the lips B. There is a more increased blood flow in the lips C. Lips epidermis
is thinner
D. There is less melanin pigment in lips than in the pa1m 52.
Anyof
the blood vessels forming
part of the circulation
system by
which blood is conveyed from all parts of the body towards heart .. A. Atrium
C. Artery
B. Vein
D. Aorta
the
'~j
53.
s
c
s
It constitutes the main structural component of animal connective tissue. A.Collagen B.Albumin C.Glycogen ~ _ D. Fibrinogen
54.
When you fail to eat your breakfast, what could serve as the fuel source of your body. A. Glycogen in the liver B. Cholesterol in the blood vessels C. Fats in adipose tissue . D. Albumin in the blood
55.
Which part of the breathing occurs when the diaphragm muscles are pulled downward, thus increasing the chest cavity? A. Expiration B. Inspiration C.Exhalation D. Pulmonary resuscitation
56.
What instrument hasa flexible gastroscope that is used to examine . the esop!1agusana stomach? A. Ultrasound B.Endoscope C. Scan.ner D. Laser
57.
Funnel-shaped opening through which egg cell is released. A. Uterus B. Cervix C. Fallopian tube D. Ovary
\~ ;f'>r
M ET R EV IEW
153 ~ . J J j < - I LET SPECIALIST 58.
An automatic reaction to stimulus is called
_
A. Reflex B.lmpulse C.Instinct D. fight or flight behavior 59.
It denotes cells ornuclei containing more than two homologous sets of chromosomes. A. Diploidy B. Monoploidy C. Polyploidy D.Chromosomal aberration
60.
Theory that states that life originated from non-living matter? A. Spontaneous generation theory B.Creationism theory C.Cosmology theory D. Biogenesis theory
61.
The cytoplasmic division of a cell into two daughter cells at the end of mitosis or rneiosls. A. Cytokinesis B.Cell cycle C. Fission D. Recombination
62.
Which of the following parents may produce a colorblind male? A. Normal vision mother and colorblind father B. Heterozygous normal vision mother and colorblind father C.Heterozygous colorblind mother and normal father D. Homozygous colorbirna mother and normalfather
-:>j<~ lET SPECIALIST
63.
64.
65.
A trait controlled by a gene that is located in the x-chromosome is known as A. Sex-linked trait
C.Genotype
B. Gene-linked trait
D. Phenotype
Which of the following is the phase when population is increasing at exponential rate. A. Lagphase
C. Multiple phase
B. log phase
D.-Accelerated phase
Which is one benefit obtained from green-house effect. A. Servesas d source of light energy 8. Serves as thermal blanket in our planet C.Speeds up the growth of plants D. Allows release of heat energy
66.
67.
A food web is a network of interacting A. Food chain B. Producers C.Consumers D. Ecosystems Pollution has becorns a major problem rnainlv because of A. dwindling energy resources B. dependence on fossil fuels C.lack of technical know-how in extracting some energy sources D. abundance of energy sources
68.
~
Which isthe correct food chain? A. grassagoata Eagle B.corns carabaoa Lion C.rlcea grasshoppera snake D. coconutahermit craba human
{'!,-t'\
158 '~ 69.
70.
71.
M ET R EV IEW lET SPECIALIST
Which of the following can form a part in fossil fuel production? A. Hydrologic cycle
C.Nitrogen cycle
B.Phosphorus cycle
D.Carbon cycle
What is the estimated human population at present? A. 4 billion
C. 6 billion
B. 5 billion
D. 7 billion
The process of converting sugar into alcohol by yeasts is known as A. fermentation C.blornass production -B.putrefaction
72.
73.
D. Hydrolysis
Region in which most of the atmosphere's water vapor is found. A. Stratosphere
c. Ionosphere
B.Troposphere
D. Biosphere
Which of the following is NOT a green house gas? A. water vapor C. Nitrous oxide . B. methane
74.
D. Hydrogen Sulfide
Which best describes the climax stage of an ecological succession A. most organisms have evolved into a new kind of organisms B. it changes frequently from season to season C. it is populated only by tall trees D. It persists until drastic changes occur
75.
Pollution from burning coal can be reduced through A. conservation B. recycling C. limit of use D. air scrubber
~
76.
The gradual wearing away of rock or soil by physical or chemical breakdown and transportation of material by water, wind, or ice. A. Weathering S. Erosion C. Flooding
'""'-".
D.Avalanche 77.
Why is incineration not favored as a method of waste disposal? A. Expensive for a third world country like ours B. Requires more energy to use C. Releases noxious and toxic gases D. Causesrespiratory diseases
78.
Which of the following best describes the wind system that results to the formation of desert region A. Warm is descending B.Air massesare stationary C.Dry air descending D. Cool air is rising
79.
The process of removing salt from seawater is known as A. purification . B. filtration C. desalination D.water treatment
80.
Ozone layer thinning is attributed to the release of CFe'sfrom A. Industrial pollution B. Fossil fuel burning C.Styrofoams and freons D. Green house
,II:.
l~
1B J:Jj} < J
81.
Mn
REVIEW
LET SPECIALIST
Homologous chromosomes pairing results to A. movement of centrioles in both poles. B. double alignment of chromosomes in metaphase C. production of two daughter cells with complete sets of chromosomes D. single alignment of chromosomes in metaphase.
82.
How many ATP molecules are produced via oxidative phosphorylation when one mole of glucose is metabolized into carbon dioxide and water? A.16
C.38
B.4
D.34
83.
Which type of muscle tissue found in all walls of our stomach is responsible for the process of peristalsis? A. Smooth C. Voluntary 8. Striated D. Cardiac
84.
Some plants have waxy leaves due to the presence of cutins. Which of the following is a characteristic of cutin? A. Viscous at room temperature 8.ls a hydrophobic compound C.Long chain fatty acids D. Is hydrophilic compound
85.
In electron transport chain (etc), which is the final acceptor of electron? A. Water 8. Oxygen
86.
C. Hydrogen Ion D. NAD+
Which of the following is a metabolic pathway common to both aerobic and anaerobic respiration? A. Krebs cycle B.Glycolysis
C. Electron Transport Chain D. Fermentation
.
: : . lET SPECIAlIST161
~J<
87.
88.
89.
Which is the bUilding block of protein. A. monomer
C.amino acid
B. monosacharride
0 fatty acid
Which of the following IS a monomer? A. oligopeptide
C.starch
B. lactose
D. glucose
The selectivity of the cell membrane is most closely associated with the maintenance of
----
A. Hydrogen ion concentration B.Salt balance C.Homeostasis D. Pressure gradient 90.
91.
92.
By which process DNA c o d e i s copied into a RNA?
A. Transcription
C.Trans!ation
B. Repiication
D. Polymerization
What is the probability Bbgenotype?
of getting bb children if both parents have
A.X
C.l/3
B. ~
0.1/5
In the Calvin cycle, glucose is synthesized directly from A. Glycera/dehyde-3-phosphate B. Dihydroxyacetone phosphate C.pyruvic acid
----
D.carbon dioxide 93 .
It is also known as the breathing organs of plants that is normally found in the stems and trunks.
A. Guard cells B.Stroma
C. Lentice/s D. Pith
~<~MET RtVUW
162 'J;).;.
LET SPECIALIST
94.
TWhen a plant stops growing even if conditions appear to be favorable, it is in a state of A. Dormancy
-----
B. Senesence 95.
C. Absission D. Hibernation
"Leaf fall" which regularly occurs during winter months resulting from the separation of specialized cell layers near the base of the petiole is a condition called
_
A. Abscission B.Senescence C.Dormancy D. Annual sheds 96.
Some vines can climb post easily because they respond positively to touch. Suchresponse is known as A.Geotropism B. Phototropism
97.
D. photoperiodism
The addition of hydrogen during photosynthesis occurs during the processof _ A. Oxidation
C.Carbonation
B. Hydration 98.
99.
_ C.ihigmotrop:sm
D. Reduction
Which of the following has'a modified stem used as food storage? A. Onion
C.Potato
B.Tomato
D.Asparagus
Which is a soluble form of nitrogen which can be synthesized into a protein. A. Nitrite B. Nitrate
,.
C.Urea D.Ammonia
, : _
fnS;1I
' - > ; < - r lETSPEclAlIsrl63
100.
If the stems or bark of the plants are cut completely, they will witnei and die because
------
A. the cambium layer is destroyed. B. the epidermis is greatly injured. C.Stem tissue 1ssoftened. D.the fibrovascular 101.
102.
103.
vessels are cut.
The study of the conversion of energy in organisms. A. Bioenergetics
C. Biochemical.Pathway
B.Entropy
D. Energy conservation
What are the final Photosynthesis? A. Glucose B.Starch
product
C.Sucrose D. Carbon dioxide
After fertilization which part of the flower develops into a fruit? A. Stigma C. Ovary B. Corolla
104.
of the Calvin cycle phase of
D. Anthers
Which of these is a characteristic of dehiscent plant? A. fruit is fleshy B. bursts open when ripe C.fruit is enclosed in thick covering D. Remains closed when ripe
105.
106.
Which of the folloWing is an example of a dehiscentplant. A. Peanut C.Jack fruit B. Coconut D. Tomato Swedish naturalist, who developed binomial nomenclature to classify and organize plants and animals. A. Gregor Mendel B. Carolus linnaeus
C. Charles Darwin D. Robert Hook
164 107,
,./.,," "M E T R E V iE W :J;.~:JlET' SPECIALIST
/'\ horticulturist
wants to know whether
will surely germinate.
his bean seeds
What is the usual practice?
A. Press and get the hard ones B. Select those that float on water C. Place them in water and choose those that sink D. Open and find out if it has a cotyledon
108.
What part of the stem of a dicot plant is responsible for the increase in diameter? A. Epidermis
C. Pith D. Schle'renchyma
B. Cambium Layer 109.
We should avoid indiscriminate A. It is prohibited
cutting of trees because
_
by law
B. it makes the forest dry C. loosens the soil and causes flooding D. we
110.
w i::
run out of wood for building houses
What is the chemical substance that is responsible for the flashing of light in fireflies? A. Glowers B. Luciferin C. Bioluminiscence D. Fluorescence Q:,~~Q..~ ~~s"QQ.m fJT IIQ ~_ rx& !~nds? ~Q,~~Q,'«(Q-.~ '«Q,~~Q-.
112.
A. Whale
C. Porpoise
B. Shark
D. Kangaroo
What do you call the organ of protection
of the coelenterates
secretes poison? A. Spicules B. Nematocysts
C. Poison fang D. Spines
which
·
113.
Which is a distinguishing A. jointed
characteristic
legs
C. thick exoskeleton
B. soft-bodied 114.
115.
116.
of a mollusk?
D. exhibits radial symmetry
Which of these is NOT an insect? A. grasshopt5'eF
C. fly
B. walking stick
D. scorpion
The bright coloration cells called __
of some amphibians
are due to a pigment
A. bioluminescene
C. melanin
B. chromatophores
D. color receptors
Structural adaptation altitudes
of birds that enable them to fly at high
A. with porous bones B. sights is well-developed C. body is covered with feathers D. with strong limbs
117.
Which of the following is the correct metamorphosis of a grasshopper?
order
of stages
in the
A. nymp/1a pupaa adult B. egga nympha adult C. tarvaa pupae adult D. nvmphapupaa 118.
adult
Periodic shedding of the exoskeleton arthropods to allow growth is called
by insects and other _
A. Skin molting B. Ecdysis C. Epidermis shedding D. Larval stage
------
-------------------
-....•.
"'..-::.~.
------
~.t'tMn REVIEW 1ffi :~ LET SPECIALIST 119.
Which
of the
following
happens
when
an animal
goes
to
hlbernation? A. body temperature B. rate of metabolism C. body temperature
is increased. is decreased is decreased
D. the animal sleeps all day
UQ.
Which is a characteristic
of a mammal which is preyed upon by
other animal. A. has a keen sense of danger B. has eyes on both sides of the head C. has claws on feet D. has bigger limbs 121.
The antennae
structure
on the head of an insect like moth is used
for A. finding its way back home B. seeing . C. hearing D. smelling U2.
U3.
The pairs of bristles on each segment of an earthworm A. setae
C. coelom
B. suckers
D. clitallium
The chemical arthropods
124.
compositicn
of the hard exoskeleton
is known as
of various
such as crustaceans and insects.
A. calcium carbonate
C. calcium phosphate
B. chitin
D. celiulose
These animals exhibit polymorphism. A. bees
C. elephants
B. cockroaches
D. monkey
,- ,; .~;<
125.
: lET SPECIALIST
1
Which of the following animals can reproduce through regeneatior A. Flatworms B.Earthworms C.Roundworms D.Starfishes •
126.
Which is the proper arrangement of an insect body parts A. head, cepha/othorax, abdomen B. head, thorax, abdomen C.head, abdomen, trunk D. head, abdomen, tail
127.
What ailment iscommon in most cigarette smokers that affects the air sacsof their lungs? A. Pneumonia B.Asthma C.Emphysema D.Tuberculosis
128.
Removing collagen from the bone will make the bone A. stiffer C.weak B. loose
129.
130.
Part of the brain that
----
D. brittle coordinates
body movements.
A. cerebrum
C. cerebellum
B.medulla oblongata
D. hypothalamus
Which organ is responsible forthe re-absorption of urea into amino acids. A. kidney B. liver
C.gall bladder D. pancreas
~
l~
168 J k -t 131.
M E T R E V IE W LET SPECIALIST
The painful stretchingortearing bones at joints). A. Bursitis B. Sprain
132.
133.
of ligaments (tissues that connect C.Arthritis D. Rheumatism
Nightblindness is caused by difficiency in vitamin A.D
C.A
B.K
D.E
_
Small gland that secretes a hormone that controls the depositing of calcium and phosphorus in bones. A Thyroid gland C. Liver B. Parathyroid gland
134.
D. Pancreas
Which is the most recent technology in the surgical operation of the retina of the eye? A.laser C.MRI B. CTscan
135.
D. Genetic engineering
Which of the following methods can be used to identity defects of a fetus as early as eight month of pregnancy? A. Ultrasensing B.Chorionic sampling C.Barr test D. Amniocentesis
136.
A battery-operated electrical device inserted into the body to deliver small regular shocks that stimulate the heart to beat in a normal rhythm. A. Ventricle pump B.Superior vena cava stimulator C.Atrioventricular pump D. Pacemaker
'"5;<:-' lET SPECIALIST
137.
The presence of blood in the urine, as a result of injury to or disease of the kidneys, ureters, bladder, or urethra.
138.
A. Kidney infection
C. Hematuria
B. Hematoma
D. Hemorrhages
.....•.•..
Ring of muscle that is located between stomach and small intestines that regulates the passage of food.
139.
A. pyloric sphincter
C. serosa
B. peristaltic
D. medulla
The contraction
muscle
of the heart, during which blood is
pumped into the arteries.
140.
A. Diastole
C. Cardiac arrest
B. Systole
D. Hypertension
Type of circulation
that carries oxygenated blood from the heart
to all the tissues in the body except the lungs and returns deoxygenated blood carryirlg waste products, such as carbon dioxide, back to the heart.
141.
A. pulmonary
C. open circulation
B. systemic
O. closed circulation
One of Mende/'s laws stating that during meiosis, the alleles of a gene pair separate, each going to a separate A. Segregation B. Independent
gamete.
assortment
C. Dominance D. Recombination 142.
Which type of muscle joint is responsible straighteningor
for
bending our arms and legs?
A. Pivot
C. Ball and Socket
B. Sliding
D. Hinge
170
~~r-rM ET R EV IEW !?iJ
143.
SPECIALIST
Blood type which can be transfuse to any patient without
having to
. worry about incompatibility.
144.
A.A
C.O
B. B
D.AB
Which of the following Department
organisms is promoted
of Agriculture
source in irrigated
as weed controller
.C.Tricoderma sp.
B. Azolla sp. What condition
and as nutrient
rice fields?
A. Bacillus thuringensis
145.
by the
D. Kakawate
comes about when two alleles both
appear in the phenotype? A. Sex-linked alleles B. Incomplete
dominance
C. Codominance D. Dornlnance 146.
Studies show-that
there are organs of the body that have lost their
usefulness and which may disappear later. These organs are called
147.
A. Extinct
C. Recessive
B. Vestigial
D. Residual
The phenomenon
which allows certain traits not useful
to the organisms to remain in the population is known as
148.
by chance
_
A. genetic drift
C. natural selection
B. speciation
D. evolution
Within the eukaryotic
nucleus,~NA
specialized proteins called __
is wrapped around
.
A. Albumin
C. Histone
B. Globulin
D. Collagen
