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ASJA BOYS COLLEGE CHARLIEVILLE
END OF TERM EXAMINATION
TERM 1 /FORM 5FK
HUMAN AND SOCIAL BIOLOGY
December 2010
Paper 01 - General proficiency
75 minutes
NAME: ________________________________________
DATE: _____________________________ FORM: _____________
READ THE FOLLOWING INSTRUCTIONS CAREFULLY
1. Candidates MUST attempt ALL questions on this paper
2. There are 60 multiple choice questions. Each question has 4 corresponding answers.
Choose only ONE answer and shade in the corresponding letter on the answer sheet
provided.
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DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO
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1. Which activity is essential for all
others to take place?
a. excretionb. growth
c. movement
d. respiration
2. Which of the following lists shows
three activities of all living organisms?
a. Movement, decay, synthesisb. Respiration, nutrition,
preservation
c. Exercise, irritability, metabolism
d. Reproduction, excretion, growth
3. The bush pig which has been observed
to feed on a diet of plant roots as wellas birds eggs, is
a. A herbivore
b. A carnivore
c. An omnivored. A detritivore
4. Which of the following is NOTindicated by the direction of arrows ina food chain
a. The direction of energy flow
b. The amount of food each animal
eatsc. That plants start every food chain
d. The animals that are predators
5. In multicellular organisms, cells
become different from one another inorder to carry out particular functions.
This is called
a. Adaptationb. Selection
c. Specialization
d. Evolution
6. Which of the following cell structures
are associated with energy transfer?
I ChloroplastII mitochondrion
III nucleus
IV cell membrane
a. I and II only
b. I and III only
c. II and III only
d. II and IV only
7. Which of the following processes is
responsible for the movement of water
out of a plant cell?
a. Filtration
b. Dehydration
c. Osmosis
d. Capillarity
8. How does oxygen pass out through the
stomata of leaves?
a. Diffusion
b. Evaporationc. Osmosis
d. Transpiration
9. The oxygen released during the
process of photosynthesis comes from
the
a. Carbon dioxideb. Water
c. Degraded glucose molecules
d. Air spaces within the leaves
10. A mature plant cell is different from a
mature animal cell because it has
a. A large permanent vacuole
b. Mitochondriac. A nucleus in the cytoplasm
d. A cell membrane
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11. In which of the following cells of a
green leaf does photosynthesis occur?
I Phloem
II Palisade mesophyllIII Spongy mesophyll
IV Guard cells
a. I, II and III onlyb. I, III and IV only
c. II and III only
d. I, II, III and IV
12. Plants give off oxygen in the day
because
a. Respiration does not take placeb. Respiration takes place faster
than photosynthesis
c. Photosynthesis takes place faster
than respiration
d. Transpiration takes place
13. Magnesium is an essential element for
a. The formation of cell walls.
b. The formation of chlorophyll.
c. The formation of proteins.d. The process of cell division.
14. One of the problems with nutrition fora vegetarian is that
a. Fats and oils are not produced
by plants
b. Large quantities of food areneeded to supply essential amino
acids
c. Vitamins produced by plants
are of inferior qualityd. Large quantities of food are
needed to supply essential minerals
15. What is the end product of digestion of
protein?
a. Amino acidsb. Fatty acids
Glucose
Polypeptides
16. The aveoli of the lungs of a mammal
a. Keep the lungs filled to capacitycontinuously
b. Serve to increase the absorptivesurface of the lungs
c. Are filled with oxygen to keep
the lungs in an expanded state
d. Prevent the lungs from collapsing
17. Which of the following would MOST
likely occur if enzymes were NOT
present in living cells?
a. Slow rate of reaction
b. High rate of reactionc. Reaction requiring higher
temperaturesd. No reaction
18. Which of the following foods wouldMOST likely prevent constipation?
I White bread
II Carrots
III Water IV Cabbage
a. I and II only
b. III and IV only
c. II, III and IV onlyd. I, II, III and IV
Items 19 and 20 refer to the following
enzymes found in the human digestivesystem
a. amylase
b. pepsin
c. lipased. trypsin
19. Which enzyme would work best in anacid pH?
20. Which enzyme is concerned with the
breakdown of fat?
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21. Which equation represents anaerobic respiration?
a. 6CO2 + 6H2O C6H12O6 + 6O2 + Energy
b. C6H12O6 + 6O2 6CO2 + 6H2O + Energy
c. C6H12O6 2C2H5OH + 2CO2 + Energyd. 6C6H12O6 + 6O2 6CO2 + 6H2O + Energy
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22. The following diagrams are being used to
demonstrate the action of a model of the
human breathing system.
Which diagram correctly indicates what
happens during exhalation?
a. b.
c. d.
23. Which feature of alveoli decreases the
distance over which oxygen and carbon
dioxide molecules diffuse?
a. Each alveolus has a large bloodsupply.
b. Each alveolus is only 0.1-0.2 mm in
diameter.
c. There are approximately 150 millionalveoli in each lung.
d. The walls of the alveoli are only onecell thick.
24. Which of the following does NOT occurwhen an animal breathes out?
a. The pressure in the thorax decreases
b. The diaphragm muscles relax
c. The external intercostals muscles relax
d. The volume of the thorax decreases
25. Which of the following are likely effects of
cigarette smoking?
Lung cancerInhibition of gaseous exchange
Addiction
IV. Hallucination
a. I and II onlyb. I, II and III only
c. II, III and IV only
d. I, II, III and IV
26. The diagram below shows the location of
some major endocrine glands in humans.The secretion from which of these glandswould be associated with preparation of the
body for rapid escape from danger?
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27. The diagram shows a section of the
heart from the front.
Which blood vessels carry oxygenated
blood?
a. 2 only b. 1 and 3c. 4 only d. 3 and 4
28. Which of the following comparisons
between arteries and veins is NOT
correct?
Arteries Veins
a Valves present Valves absent
b Blood flows inpulses
Blood flowssmoothly
c Have thick muscular walls
Have thinwalls
d Blood low inCO2 Blood high inCO2
29. The valve between the left atrium and leftventricle is called the
a. pulmonary semi-lunar valve
b. aortic semi-lunar valve
c. tricuspid valved. bicuspid valve
30. The following diagrams show structures
found in the blood. Which structure isphagocytic?
a. b.
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c. d.
31. The diagrams show four parts of
human blood.
Which parts are involved with the
transport of carbon dioxide and which
parts with the destruction of bacteria?
Transport ofcarbon
dioxide
Destructionof bacteria
a. 1 and 3 2 and 3
b. 1 and 3 2 and 4
c. 2 and 4 1 and 4
d. 3 and 4 1 and 4
32. What is the function of platelets in
wound healing?
a. Breakdown of insoluble threads
b. Conversion of insoluble fibrin tosoluble fibrinogen
c. Conversion of soluble fibrinogen
to insoluble fibrind. Creation of soluble threads
33. Which of the following substancesreduces blood sugar in the human
body?
a. Insulin
b. Glycogenc. Glucagon
d. Adrenaline
34. The ureter carries urine from the
a. Kidney to bladder
b. Collecting tubule to the pelvis
c. Nephron to the collecting tubule
d. Bladder out of the body
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35. Which substances are found in the
glomerular filtrate in the kidneys of a
mammal?
Glucose Protein Salts
a
b
c
d
36. How is a working kidney dialysis
machine similar to a healthy kidney?
a. It takes sugar molecules out of
the blood
b. It regulates the concentration of
the blood
c. It deaminates amino acids to uread. It removes large molecules form
the blood
37. Which of the following functions are
performed by a rib?
I Blood formationII Protection
III Locomotion
IV Support
a. I and II onlyb. I and IV only
c. II and III only
d. I, II and IV only
38. Which organ controls the
concentration of sugar in the blood?a. Brain
b. Kidney
c. Pancreas
d. Stomach
39. The diagram shows a section through
human skin
Which two structures help to increase heat
loss from the body?a. 1 and 2b. 2 and 3
c. 3 and 4
d. 4 and 5
40. The diagram shows three bones from the
forelimb of a mammal.
Between which two parts is a ball and
socket joint formed?
a. 1 and 3b. 1 and 5
c. 2 and 5
d. 3 and 4
41. How does cartilage differ from bone?
a. It contains protein
b. It is alive
c. It is flexibled. It is made of calcium salts
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42. A finger that touches a hot object is
quickly taken away from the source of
heat.
What is the role of relay neurones in thisresponse?
a. To carry nerve impulses within the
spinal cord
b. To generate impulses in the receptorsof the finger
c. To link the sense organs to the
sensory neuronsd. To pass nerve impulses out to the
neurones
43. The diagram shows a section of the brain.
In the diagram, which part produceshormones?
44. If an object is thrown towardsyou, your eyes blink. Thereceptors and effectors for thisreflex action are the
a. Retina and eyelid musclesb. Retina and ciliary musclesc. Pupil and eyelid musclesd. Pupil and ciliary muscles
45. In a reflex action, after the hand
touches a hot object, what is therole of the brain?
Receivesinformation
Initiates thewithdrawalresponse
a. b.
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c. d.
46. The diagram show the workingof a synapse between two
neurones
What do the arrows 1 and 2represent?
1 2
a. Chemical
transmitter
Slow actinghormone
b. Chemical
transmitter
Chemicaltransmitter
c. Nerveimpulse
Chemicaltransmitter
d. Nerveimpulse
Slow actinghormone
47. The diagram shows a sectionthrough the human eye.Where will an image bedetected when a person looksat an object?
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48. The eye is sometimes referred to as an
effector organ because
a. The pupil constricts in the
presence of bright lightb. The rods and cones are
stimulated by lightc. Images which fall on the retina
are sent to the brain
d. Neurons from the eye lead to the
central nervous system
49. What happens to these structures when
focussing on an object near the eye?
Ciliary
muscles
Suspensory
ligaments
a. Contract Tighter b. Contract Looser
c. Relax Tighter
d. Relax Looser
50. The function of the lymphatic systemin the human body is to
a. Bring nutrients back to the body
b. Carry the tissue fluid out of the
bodyc. Remove excess fluid and foreign
material from the tissue spaced. Remove poisonous substances
and other waste materials form
the blood
51. The diagram shows a vertical section of a
molar tooth.
Which results in damage at X?
a. Bacteria produce acids whichdissolve X.
b. Enzyme activity in saliva makes a
hole in X.c. Bacteria feed on X.
d. Sugar produces alkalis which
dissolve X.
52. Four test-tubes, each containing 2 cm of
starch suspension and 1 cm of amylase
solution, were treated as shown in the
table.
In which test-tube would starch be
digested most rapidly?
Test
tube
Treatment
a. Kept at 70 C
b. 1cm of hydrochloric acid added;
kept at 45C
c. Kept at 35C
d. Contents boiled;
1cm of hydrochloric acid added;
kept at 45C
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53. Five days after sexual intercourse, a
man experiences a burning pain in his
penis when passing urine.
A few days later, a yellow discharge wasseen coming from his penis. The man
was suffering from
a. AIDS
b. gonorrhoeac. ringworm
d. typhoid
54. How does the female oral
contraceptive pill work?
a. It prevents sperm from penetrating
the ova
b. It prevents the release of ovac. It stops implantation of the embryo
d. It denatures enzymes in the sperm
55. A surgical method of birth control
involves cutting some of the tubesthrough which sperm pass.
At which point does the surgeon make
the cuts?
56. The diagram shows the arrangement of
blood vessels in the uterus wall and
placenta of a pregnant woman.
Which will increase in concentration in the
blood as it flows from 1 to 2?
a. Amino acidsb. Carbon dioxide
c. Glucose
d. Oxygen
57. The diagram shows a section of the female
reproductive system with a method ofbirth control at X.
What is the method of birth control shown
and how does it act?Birth control method Action
a. Cap (diaphragm) Stops implantation
b
.
Cap (diaphragm) Prevents sperm from
entering the uterus
c. Intrauterine device(IUD/loop/coil)
Stops implantation
d Intrauterine device Prevents sperm from
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. (IUD/loop/coil) entering the uterus 58. What is an advantage of feeding a baby
with bottled milk rather than breast milk?
a. Breast milk contains antibodies
b. It is easier to keep the milk free ofpathogens
c. The babys intake of food can bemeasured
d. The milk is always at the right
temperature
59. The diagram shows the female
reproductive system.
In which parts are the eggs and the zygote
formed respectively?
a. 1 and 2 b. 1 and 3
c. 2 and 1 d. 2 and 3
60. The diagram shows part of the male
reproductive system and urinary system.
A cut is made at X on both sides of the bodyand the tubes are sealed. Which process
would be prevented?
a. fertilisation b. meiosis
c. ovulation d. urination
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END OF EXAM
(TOTAL 60 MARKS)If you finish before time is called, check your work on this test.
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