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AFFIX SEAL HERE
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TESTCODE01207010 MAY/JUNE 200 5
FORM TP 2006047 CARIBBEAN
EXAMINATIONS
COUNCIL
SECONDARY EDUCATION CERTIFICATE EXAMINATION
LIBRARY OF
BIOLOGY
........ ...................
Paper 01-General Proficiency
,;
75minutes (
08 JUNE (a.m.) June2006 2005
)
READ THE FOLLOWING DIRECTIONS CAREFULLY 1.
In addition t.o th is test book~et, you should have an answer sheet.
2.
Each item in this test has four suggested answers lettered (A), (B), (C), (D). Read each item you are about to answer and decide which choice is best.
3.
On your answer sheet, find the number which corresponds to your item and shade the space having the same letter as the answer you have chosen. Look at the sample item below. Sample Item Which of the following diseases is due to a dietary deficiency?
I
(A) (B) (C) (D)
Sample Answer
-
•@©@
Anaemia Diabetes Influenza Malaria
The best answer to this item is "Anaemia", so answer space (A) has been blackened. 4.
If you want to change your answer, be sure to erase your old answer completely and fill in your new choice.
5.
When you are told to begin, tum the page and work as quickly and as carefully as you can. If you cannot answer an item, omit it and go on to the next one. You can return to the omitted item later. Your scor!" will be the total number of correct answers.
6.
Figures are not necessarily drawn to scale.
7.
This test consists of60 items. You will have 75 minutes to answer them.
8.
Do not be concerned that the answer sheet provides spaces for more answers than there are items in this test.
DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO. CopyrightC2005 Caribbean Examinations Council.® All rildlts reserved.
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..._.
.
- 2 -' Item I refers to the following a~imals which··
·:3.
When does
respiratio~
occur in plants?
were classified using the visible characteris-
tics listed below.
(A) (BJ
(CJ . (DJ
4. I. II. III.
Which of the following is NOT indicated by the direction of the arrows in a food chain?
Shape Number of wings Number of antennae
(A) (BJ (C) (D)
What other visible characteristic cou Id be used for classification purposes?
1
\A) (B) (C) (D) '
Size Weight . Tail Fur
All the time Only at night When photosynthesis stops Only while photosynthesis is taking place
5.
The direction of the flow of energy The amount offocd each animal eats That plants start every food chain The animals that are predators
Which of the following situations BEST exemplifies an ecological community? (A) (B)
'·
(C)
lt!:m.2 refers to the following food web which
(DJ
A colony of termites A flock of migrating birds Flies on apiece of rotting meat The organisms in a fresh water pond
'was observed in a small terrestrial habitat. Items 6.::..1 refer to the following plant cell structures.
,;
(AJ (B) (C)
. Rabbit
(D)
Mitochondria Cell membranes Chloroplasts Chromosomes
....
Match EACH of the descriptions given below with the correct cell structure. Each option may be used more than once, once or not at all.
' Green Plant
2.
The carnivores in the food web are the (A) bird and caterpillar (B) .. dog and rabbit (C) beetle"and caterpillar (D) bird and dog
6.
7.
The sites of the production of ATP (adenosine triphosphate)
Structures that move to the poles of the eel I duringceJJ divisiori
__
....... , . . . , . , . . , . . . . . . . . . . . . ~T"" .. ; - - . . ... ··•
,..,.,_
. -3 -
8.
Item 12 refers to the following apparatus set up to test for products ofaerobic res pi ration.
Which of the following processes does NOT contribute to the carbon dioxide content of the atmosphere?
==="' r-=--To filter
Air (A) (B) (C)
(D) 9.
pump
Photbsynthesis Decay Burning Respiration
l,ime water
·::: :·: •\,
······· X Black
y
z
cloth
Thepartofthegutintowhich bile empties is the 12.
duOdenum caecum ileum (D). , stomach
The solution in JarZshould be
(A)
(A) (B)
(BJ (CJ -·
10.
(C) (D)
The variation.in cellular structure found in any complex organism is due to a process called
iodine tap water calciumhydroxide(lime water) sodium hydroxide (caustic soda)
Item 13refers tothefollowing characteristics of certain structures.
(A}' 'grciwth
(BJ
~laboration
(C) .
metabolism specialization
(D)°
11.
When athletes run a long..
An increase in. the breakdown of maltose ill the intestines A drop in the level ofglycogen in the liver Constriction of the veins in the legs Dilation ofthebloodvesselstothegut
I. II. III. IV.
13.
Thin walled surfaces Excellentbloodsupply Always moist Large surface area
These characteristics areMOSTfikely to be ,, associated with the · (A) (B)
(CJ (D)
diffusion of gases production ofenergy movementofwater :.• transportofdigested food
'
'
-4 Item 14 refers to the following diagram of· the human heart.
17.
Human red blood cells are nonnally disc-shaped, without a nucleus disc-shaped, with a nucleus spherical, with a nucleus spherical, without a nucleus
(A) (B)
(C) (D)
!tern 18 refers to the following table which shows approximate concentrations of some substances in the blood plasma and urine of a healthy man.
14 .•
·rn a patient with a certain defective heart condition, it is found that blood flows from Point I to Point II. This is MOST likely due to the malfunction of the
.. (A) (B) (C)
left atrium left ventricle semi-lunar. valve bicuspid valve
Items 15-16refertothe.followirlg structures found in the Jeafof a flowering plant.
L II.
'
III. IV.
Epidennis Mesophyll layer Guard cells Vein.
•
Substance
% in Plasma
o/o in Urine
Water
90-93
95
Protein
7.0
0
Glucose
0.1
0
Sodium
0.3
0.35
Chloride
0.4
0.6
Urea Uric acid
0.03 0.004
2.0 0.05
In which organ of the body do the changes in concentration of the substances shown in the table occur? (A) (B) (C)
15.
Which of the structures contain chloroplasts? (A) (B) (C)
(D) 16.
A whole plant has its roots submerged for a few hours, in water coloured with red ink. In whi~~ part of its leaves does the ink FIRST show up? (A) (B) (C)
(D)
'
I and II I and III It and III II and IV
Epidermis Mesophylllayer Guard cells Vein
(D)
Liver _,, Lung Kidney Rectum
• -5 Items 19-20 refertothefollowingdiagrams ofplanicells.
-1.
Which of the following organisms has the LEAST need fora transport system?
21:.
(A) (B)
7
(C) (D)
Amoeba Honeybee Seedling Tadpole
2
23.
Which of the following arteries does NOT carry oxygenated blood? (A) (B)
6
J
(C)
Sections or phloem tissues
(D)
Carotid Hepatic Pulmonary Renal
from a plant stem
24.
19.
(A) (B) (C)
(D).
20.
(A)
1 and 5 2 aq<;l,4 } and 5 3andq
(B)
(C)
Companion.cells are represented by · (A) (B) (CJ
(0) 21.
Which of the following sequences BEST describesthecirculationofbloodin the body?
Manufactured food is transpiirted in
1and7 2and6 ' 3 and,5 2and5
Which of the following substances is NOT an excretory product of body metabolism? (A) (B) (C)
(D)
Faeces
Watef Urea Sweat
;
•
(D)
Lungs-> left side of hea11 -> other parts cifthe body-> right side of heart Lungs ->right side of heart....., left -side of heart-> other parts of the body . Lungs->rightsideofheart->other parts of the body -> left side of heart Lungs ->left side of heart -> right side of heart-> other parts of the
body
25.
...
The MAIN function of cartilage at the end of long bones is to (A) (B) (C) (L')
lubricaiejoitifs increase flexi bi Iity reduce friction protect rierves
-6 ltem_26 refers to the simplified drawing of a renal tubule(nephron) below.
' 29.
p
Which ofthe following conditions does NOT increase the rat~·oftranspiration? . (A) (B) (C) (D)
30.
In\ernal refl.ection of light within the eye is prevented by the (A) (B)
(C)
(D) 26.
(A)·
,.
(B)
(C) (D)
secretion reabsorption "-'Il\osis filtration
(B) (C) (D)
II.
'·
attachment of muscles supportofadja~ent vertebrae protection of the spinal cord movement of bones
Item 28refers to the actions of the following organisms:
I. II. Ill. · IV.
Withdrawal ofanearthwonn'into its burrow when touched ' Benc;lingof shoots towards light
Rolli~upofamil lipede wtten touched
with a needle Movement of maggots away from light
These actions are examples of (A) (B) (C) (D)
Which of the following statements are true of humans? I.
The priniary furiction of the neural spine of the lumbar vertebrais for (A)
28.
lens retina choroid layer sclerotic layer
The name of the process which occurs in Q is
31.
27.
Decreased humidity Decreased temperature Increased wind velocity. Increased light intensity
growth movements locomotion stimuli responses
III. IV.
(A) (B) (C) (D)
Males produce more gametes than females. Females produce more gametes than males. Males prodirce gametes for a longer period thanfemales.c· Femalesproducegametesforalonge1 ·peiiodthanmales. \. · · !only I and III only ]] and Ill only 11 and IV only
-732. Dry mass
IV
mg
m I
u
Time/ days '
Changes In dry mass In pea seedlin&S during germination
.
Which of the following processes is likely to contribute MOST to the decrease in dry mass between stages I and II on the graph.above? (A) (B) (C)
(D)
Photosynthesis Transpiration Translocation Respiration
Items 33-34 refer to the following diagram of a reflex arc.
-Bicep~·
mn$cle Skin
or
band
{f 'I .
33.
When the·skin of the hand touches_ahotobject,the sequence ofimpulseflow
is (A)
rr --; III--; r
(C)
II --; I --; III
(DJ 34.
I --; II --; III
(B)
r --; m--; n
The numbered structureS in the reflex arc are
.I ·1· (A) . (B)
(C) (D)
..
sensory neurone sensory neurone motor neurone motor neurone
II motor neurone
relay neurone relay neurone sensory neurone
III relay neurone motor neurone sensory neurone relay neurone
-835.
38.
Forastudenttorecall his bidlogynotes, aOtion·:, takes place in
SexuaJ repro~uction is important because
(A) (A) (B) (C) (D)
a reflex arc the cerebellum themedullaoblongata the cerebrum
(B)
(C) (D)
36.
A seedling illuminated from one side bends towards the light source because the concentration ofauxins becomes
39. (A) '
(B) (C)
(D)
A flower has a long style with a feather stigma, long filaments, no corolla and ver: small sepals.
greater on the side away from the light greater on the side towardsthelight the same on both sides greatest at the tip of the shoot
This flower is adapted for (A)
,.
it prevents too riiuch variation in tt species it results in offspring which may n• be identical to the parents the embryos produced by this methc are healthier a largernumberof offspring can b produced
(B) (C)
Ite.m37 refers to the following diagram of a vertical section through human skin.
(D)
cross-pollination pollination by the wind self-pollination easy access by insects
. · . Item 40refers to the following diagram of ,"·:~germinating seed. \;'
I
IV:
II
v
' .-
'
1 •••
;
x
;,. . -" :;. ~:
y
VI
III
z
-· 37.
Which structure(s)abovewillbeinvolved in temperature regulation if there is a decrease in the external temperature? (A) (B) (C) (D)
Ionly II and V only I, III and IV only IV, V and VI only
40.
(A) (B) (C)
(D)
Which ofthe following correct! y identifies the structures labelled X, Y and Zin the diagram above?
x
y
z
Radicle Radicle Plumule Plumule
plumule cotyledon radicle
cotyledon plumule cotyledon
~otyledon
radicle
'·
-941.
Which of the following process~s produce - ·. 4~. clones? I.
The growth ofafungus on apiece of bread Tue'developmentofplantlets at the JeafmarginsofBryophyllum Propagation of sugar cane from cuttings · Germination of seeds from the same pod
II. III. IV.
(A) (B) (C) (D)
Two plants grown from seeds from the same pod looked exactly alike. They are described as having (A)
(D)
46.
Which of the following crosses will produce a 1: 1 ratio in the genotype of the offspring?
land II only II and III only '
(A)
III and IV only land IV only
(B)
(C)
42. .
Each daughter cell produced by mitosis has (D)
half the number of chromosomes as the parent thesamenumberofchromosomesas the parent twice the number of chromosomes as the parent a vari·able numberofchromosomes
(A) (B)' (C)
'
· (D)
43.
.
8 16 32 &I
(D) 44.
In which of the following parts of the plant .
~
48.
Female
xx y
xy xy
(C)
xy
xx
(D)
y
xx
. Breeders have developed many varieties of plants and animals with desirable. characteristics. This process is called (A) (B) (C)
occur?
CD)
(D)
~
(A) (B)
would you expect the process of mitosis to
(A) "(B) (C)
Homozygous-recessive female x heterozygous male Heterozygous female x heterozygous male Homozygous recessive female x homozygous male Homozygousfemalexhomozygousdominantmale
Which of the following shows the sex chro. mosomes present.in 'tlie human male and female?
The sperm of a certain animal contains 16 . chromosomes.How many chromosomes will there be in the nucleus of its skin eel I? (A) (B) (C)
the same genotype the same phenotype homozygous genes dominant genes
(B) (C)
cloning genetics natiiral selection artificial selection
Phloem Xylem · ·rn the region behind the root hair In theregionbehindtheroottip
GOONTOTHR NRXT PAr.J<: ..
- 10 -
49.
To which of the following groups does a disease·caused by a pathogen belong? (A) (B) (C) (D)
so.
(B) (C) (D)
51.
Infectious Defici
Through which of the following means can natural immunity be obtained? "' " .. ' I. Bload transfusion II. Breast milk III. ·The place~ta IV. ,.· Vaccines
Cf..)
I and II only II and III only I and IV only I~I and IV only
Which of the following is the BEST method for investigating the range of organisms found between the low tide mark and the high tide mark on a sloping, rocky sea shore? (A) Usea line transect. (B) , .·Collect as many species as possible. ·(C) · Uselargequadrats. (D) Take a complete census of the area.
54.
Which of the following graphs BEST represents whatwiJJ.happen to the fish population in a pond after caustic soda is dumped in it?
(A)
III.
No.in Population
(B)
Loss ofl i vestock and crcips
(A)' (B) (C) (D)
llonly land II only II and ill only . I; II and III
II. III. IV.
·~
Time
•
I drink strong coffee every hour. The · caff~ine keeps m~ going. I have to inject myself with ·insulin twice a day. I know alcohol is not good for me so I only have three drinks a day. I take antibiotics regularly in case I catch a cold.
1
~
No.in Population
(C)
The following statements were made by a number of drug users.
I.
No.in Population
Time
Which of the following are direct doilsequencesof disease in humans'!
I. "' · Lossofrrilinhoursand'producttvity 'tl. Loss of human life
52.
53.''
Time
No.in Population
(D)
/
Time
Which of these individuals could be considered drug abusers? !only I, II and III only I, III and IV only II, III and IV only
(A) (B)
(Cl (D). t',
--· -··--
__ . _..- ....
_,..
'·
- 1I -
' SS.
Two soil components that are deri~eci' from
Item 58 refers to the following characteristics ofa plant. ·
the parent rock material are
(DJ
Thick hairy leaves Concealed stomata Deeply penetratingrootsystem
l. II.
humus and mineral salts sand and humus sand and mineral salts clay and micro-organisms
(A)
(BJ (CJ
III. 58.
Item S6 refers to the diagram of the nitrogen cycle below.
These characteristics MOST likely belong to · a plant which grows in a region that is warm and dry warm and shady cool and exposed cool and wet
(A) (B)
(C)
II
(D)
Nltl"•"U In soil
t--V_I_~ I
59.
Replantingtreeson a bare hillside is an example of
I Nltritf:ll
v S6.
Alamonium compounds
Which of the stages in the cycle identified below result from the activity of micrO-organisms? ' . (A)
(BJ (C) (D)
I, II, III, TV only I, II, III, VII only II, III, IV, Vlonly III, IV, V, VI only
•
60.
(A) (B)
preservation and conservation
(C)
restoration and preservation
(D)
reafforestation and restoration
Which of the following is an advantage of using inorganic fertiJizers rather than organic manure?
l(A) (BJ
(C) (D)
57.
conservation and reafforestation
They help to hold water in the soil. They improve the crumb structure of soil. Theymaken.~J,rients available more quickly. They do not affect the"'soil pH.
Which of the following factors has NOT contributed to the marked increase in the life expectancy ofhumans over the last 100 yearn? (A) (BJ (C) (D)
'
Gene mutations Better medi.cal care Improved sanitation Increased information about disease
IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON THIS TEST.
