National Capital Region DIVISION OF CITY S SCHOOLS
MANUEL LUIS QUEZON HIGH SCHOOL CALOOCAN CITY
Mission: To develop productive citizens to ntion!s pro"ress# $ision: A "ret c%nnel c%nnel o& t%e culture o& e'cellence#
1st PERIODICAL TEST (SY 2016-2017) GRADE 9 SCIENCE Directio! Re"# e"c$ st"te%et c"re&'* +rite t$e etter o& o'r "s,er o o'r "er* 1. What system system is respo responsib nsible le for for the exchange exchange of oxygen and carbon dioxide between the air and the cells? a. circulatory c. excretory b. digestive d. respiratory respirator y 2. Which Which part part of the respi respirat ratory ory syste system m filters filters and warm the air upon entering it? a. air sac c. nasal cavity b. bronchi d. diaphragm 3. How does does the the air air enter enter our our bod body? y? a. nose nose > nasa nasall pass passag age e > trac trache hea a > bronchi > bronchioles > alveoli b. nose nose > nasa nasall pass passag age e > trac trache hea a > bronchioles bronchioles > bronchi > alveoli c. nasal cavity > nose > trachea > bronchioles bronchioles > bronchi > alveoli d. nasal sal cav cavity ity > alve lveoli > trach rache ea > bronchioles > bronchi > nose . !urin !uring g inhal inhalat ation ion"" ##### #######. ##. a. the diaphragm moves down and contracts the chest cavity. b. the diaphragm moves down and expands the chest cavity. c. the the diap diaphr hrag agm m move moves s up and and cont contra ract cts s the chest cavity. d. the the diaphr diaphrag agm m move moves s up and and expa expand nds s the chest cavity. $. %ll of the following are associated with respiratory problems &'(&)* a. unbala alanced diet c. pollu olluta tan nts b. enough sleep d. smo+ing ,. What What is the role of %%-&/-0 &/-0 in the the transp transport ort of %& in the body? a. *hey *hey serve serve as the lin+a lin+age ge from from the respir respirato atory ry system and the circulatory system. b. *hey *hey serve serve as the carrie carrierr of the deoxy deoxygen genat ated ed blood. c. *hey *hey serve serve as the the carr carrie ierr of the oxyge oxygena nate ted d blood. d. *hey *hey serve serve as the lin+a lin+age ge from from the respir respirato atory ry system and the digestive system. . Which of the the follow following ing state statemen ments ts is *45&? *45&? a. %s the the blood blood leave leaves s the lung lungs" s" the the blood blood is saturated with about 67 oxygen. b. %s the the blood blood leav leaves es the the heart heart"" the bloo blood d is saturated with about 67 oxygen.
c. %s the the blood blood enter enters s the lung lungs" s" the the blood blood is saturated with about 67 oxygen. d. %s the the blood blood ente enters rs the the heart" heart" the the blood blood is saturated with about 67 oxygen. 8. ####### ########### ####### ###### ###### ####### ####### ###### ###### #####. ##. i. 0nc 0ncrea rease your wa wal+in l+ing g sp speed. ii. ii. 9ai 9aintain tain a he health althy y we weigh ight. iii. tay hy hydrated. iv. %void sm smo+ing. Which Which of the the follow following ing belon belongs gs in the the blan+ blan+ space above? a. (ause (auses s of resp respira irator tory y prob problem lems s b. Ways on how to avoid respiratory problems. c. :inds :inds of of commo common n resp respirato iratory ry disease diseases. s. d. 4esul 4esults ts of bad bad life lifesty style. le. 6. What What is the the prim primar ary y orga organ n of the circu circula lato tory ry system? a. Heart c. veins b. %rteries d. blood 1;. % type of circulation circulation which is described described by the movement of blood through the tissues of the H&%4*. a. )ulmonary c. ystemic b. (oronary d. 4espiratory 11. 11. *he ####### ####### prevents the bac+ bac+ flow of blood. a. atrium c. ventricle b. valve d. septum
12. What is letter % in the picture?
a. eptum c. -ungs b. -eft entricle d. *ricuspid alve 13. What is letter in the picture? c. eptum c. -ungs d. -eft entricle d. *ricuspid alve 1. *he beating sound your heart ma+es comes from a. lood going in the wrong direction b. alves closing c. *he heart s+ipping beats d. @our ears playing tric+s on you 1$. %rrange properly the statements below on how the heart wor+s. %. When the heart contracts" the right lower ventricle will pump the blood into the lungs" where the carbon dioxide is exchanged for oxygen. . *he heart receives oxygen=deficient blood from the body into the right upper atrium. (. /xygen=rich blood flows from the left upper atrium into the left lower ventricle. !. %fter the exchange" the blood containing fresh oxygen flows into the left upper atrium. &. When the heart contracts" the left lower ventricle will force the blood out to the body through a networ+ of arteries. a. %" " (" !" & c. " &" %" (" ! b. %" &" " (" ! d. " %" !" (" & 1,. @ou can +eep your heart strong by a. &ating heart=shaped candy b. !oing activities" li+e playing outside" riding your bi+e" and swimming c. mo+ing d. leeping 18 hours a day 1. 0nflammation of larynx is termed a. laryngitis c. arthritis b. phlebitis d. bronchitis 18. Which two respiratory system problems are treated with medicine that dilates the airways? a. inusitis and bronchitis b. &mphysema and tuberculosis c. %sthma and bronchitis d. &mphysema and pneumonia 19. Atherosclerosis is a disease in which plaque builds up inside your arteries. Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries. This limits the flow of oxyen!rich blood to your orans and other parts of your body. Why is atherosclerosis especially serious when it develops in the coronary arteries? a. 0t can then go on to affect the aorta. b. 0t can ma+e red blood cells die. c. 0t can lead to a heart attac+. d. 0t can limit the functioning of white blood cells.
2;.What is the basic unit of heredity? a. ene c. autosome
b. !A%
d. chromosome
enotyp e
4abbit 1
4abbit 2 b
4abbit 3 b
4abbit bb
Which rabbits will have gray coat color? a. 1" 2 and 3 c. 2 and 3 b. 1 and d. 1" 2" 3 and 2$. 0f rabbits 1 and were mated together and had 12 babies" how many of these would you expect to be gray? a. ; c. 8 b. d. 12 2,. What is a type of inheritance where both alleles are expressed eEually in the phenotype of the heteroFygote? a. (omplete dominance b. 0ncomplete dominance c. (odominance d. 9ultiple allele 2. % red cow is crossed with a white cow and produced an offspring that is a roan cow. What is a roan cow? a. % purebred red cow. b. % purebred white cow. c. % pin+ cow. d. % cow with red hair and white blotches.
28. *he alleles controlling the %/ blood groups are given the letters 0 % Bgroup %C" 0 Bgroup C and i Bgroup /C. *his type of inheritance is called ########. a. (omplete dominance b. 0ncomplete dominance c. (odominance d. 9ultiple allele 26. What isGare the possible blood typeGs of an offspring if both parents are type /? a. % and c. %" and % b. % and % d. / only 3;. 0n humans" maleness or femaleness is determined by a pair of sex chromosomes called ' and @. What is the genotype for males? a. '' c. ''@ b. '@ d. '/ 31.Which of the following traits is not controlled by multiple genes? a. color blindness c. frec+les b. eye color d. hair texture
32.What is the genotype of aneIs husband? a. '' c. '@ n b. ' ' d. 'n@ 33.*hen aneJs husband is a ########. a. Aormal male b. Aormal" carrier male c. 9ale with ):5
d. Aone of the above 3.0t is a hereditary material and is also +nown as the blue print of life. a. !A% c. m4A% b. 4A% d. t4A% 3$.Which of the following statements is true? a. *he gene is the basic unit of heredity and is found in the chromosome. b. *he chromosome is the basic unit of heredity and is found in the gene c. *he gene determines the sex of humans and the chromosomes carry the traits. d. *he gene carries the traits inside the 2; pairs of chromosomes in humans. 3,.% !A% strand has the following bases % % ( ( %. What are the bases on its complementary strand? a. % % ( ( % c. * * ( * b. % ( ( % % d. ( ( % * * ( 3. &xtinction means a. population of a species begins declining rapidly b. population has become so low c. occurs when the last member of that species dies d. when the population is stable. 38. % maKor benefit to come from the release of wolves into the @ellowstone Aational )ar+ is a. increased numbers of el+ b. control of coyotes that +ill cattle c. control of the explosive population growth of domestic cats that menace campgrounds d. control of the griFFly bears 36. 0t happens when there is removing or clearing of forest to include cutting of all trees" mostly for agricultural or urban use. a. &utrophication b. %cid rain precipitation c. Water pollution d. deforestation ;. % conservation biologist would #####. a. wor+ with government officials to establish a plan for the protection of endangered species b. analyFe organism characteristics that help them survive in particular locations c. investigate the impact of industrial pollutants on an ecosystem d. all of the above 1.%cid deposition #####. a. is only a problem where sulfur dioxide and nitrogen oxide are emitted
b. occurs when sulfur dioxide and nitrogen oxide combine with water to produce acids c. stimulates the growth of plants that prefer acid soil d. all of the above 2.Which is associated with air pollution? a. global warming b. destruction of the oFone shield c. acid deposition d. all of the above 3.What is the formula for photosynthesis? a. ,(/2 L ,H2/ L light energy M (,H12/, L ,/2 b. ,(/2 L ,/2 L light energy ====> (,H12/, L ,H2/ c. ,(/2 L ,H2/ ====> (,H12/, L ,/2 L light energy d. ,(/2 L ,H2/ ====> (,H12/, L ,/2 .Which of the following molecules is a waste product of photosynthesis? a. /xygen c. Water b. (arbon dioxide d. ugar $.(hlorophyll is mostly located above the leaf of the plant to #########. a. collect carbon dioxide. b. collect light energy. c. release oxygen. d. release glucose. ,. 0odine is used to detect the presence of starch produced in photosynthesis. *his wor+s when ######. a. its brown color has not changed. b. its brown color turned into dar+ blue. c. its brown color become colorless. d. its brown color become yellow.
6. (ramps during exercise are caused by a. alcohol fermentation b. glycolysis inhibition c. lactic acid fermentation d. chemiosmosis $;.Which of the following processes produces the most %*)? a. glycolysis b. oxidative phosphorylation c. fermentation d. :rebsJ cycle
An" rules s LO$E ( )A*EHAS n" rules +%en t,in" t%e e'-. NO CHEATING/
0un" LO1AL ,. %indi -o ""+in n" tu-in"in s I2A#
Prepared by: AIB / S.Y. 2016-2017
