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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

_____________________________________________________________________________

_

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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