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ASJA BOYS COLLEGE CHARLIEVILLE

END OF TERM EXAMINATION

TERM 1 /FORM 5FK

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. The relationship between which of the

following provides an example ofmutualism?

a. Man and mosquito

b. Hen and chick

c. Dog and flead. Cattle and egret

2. Leguminous plants can contribute tosoil fertility because they

a. Remove toxic substancesb. Contain nitrogen-fixing bacteria

c. Add trace elements

d. Maintain the moisture content

3. The bush pig which has been observed

to feed on a diet of plant roots as well

as birds eggs, is

a. A herbivoreb. A carnivore

c. An omnivore

d. A detritivore

4. Which of the following is NOT

indicated by the direction of arrows in

a food chain

a. The direction of energy flowb. The amount of food each animal

eats

c. That plants start every food chaind. 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. Adaptation

b. Selectionc. 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. A mixture of food gives the followingresults on testing

A purple colour with the biuret test

A blue colour when heated withBenedicts solution

A yellow colour with iodine

A white emulsion with ethanol

What does the mixture contain?

a. Fat and protein

b. Protein and reducing sugarc. Reducing sugar and starch

d. Starch and fat

Items 19 and 20 refer to the following

enzymes found in the human digestive

system

a. amylaseb. pepsin

c. lipase

d. trypsin

19. Which enzyme would work best in an

acid pH?

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20. Which enzyme is concerned with the

breakdown of fat?

21. Which equation represents anaerobic respiration?

a. 6CO2 + 6H2O C6H12O6 + 6O2 + Energy

b. C6H12O6 + 6O2 6CO2 + 6H2O + Energy

c. C6H12O6 2C2H5OH + 2CO2 + Energy

d. 6C6H12O6 + 6O2 6CO2 + 6H2O + Energy

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22. The following diagrams are being used to

demonstrate the action of a model of thehuman breathing system.

Which diagram correctly indicates what

happens during exhalation?

a. b.

c. d.

23. Which feature of alveoli decreases thedistance over which oxygen and carbon

dioxide molecules diffuse?

a. Each alveolus has a large blood supply.

b. Each alveolus is only 0.1-0.2 mm indiameter.

c. There are approximately 150 million

alveoli in each lung.d. The walls of the alveoli are only one cell

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 relaxd. The volume of the thorax decreases

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25. Which of the following are likely effects of

cigarette smoking?

Lung cancer

Inhibition of gaseous exchangeAddiction

IV. Hallucination

a. I and II only

b. I, II and III onlyc. 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 glands

would be associated with preparation of the

body for rapid escape from danger?

27. The diagram shows a section of theheart from the front.

Which blood vessels carry oxygenatedblood?

a. 2 only b. 1 and 3

c. 4 only d. 3 and 4

28. Which of the following comparisons

between arteries and veins is NOTcorrect?

Arteries Veins

a Valves present Valves absent

b Blood flows inpulses

Blood flowssmoothly

c Have thick muscular walls Have thinwalls

d Blood low in

CO2

Blood high in

CO2

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 process responsible for the movementof water upwards in xylem vessels is

a. Evaporation

b. Transpiration pull

c. Osmosisd. Active transport

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31. Which of the following are necessary

for germination to take place?

I. Air

II. Food supplyIII. Light

IV. Moisture

a. I and II only

b. III and IV onlyc. I, II and IV only

d. II, III and IV only

32. The following diagram shows an insect

feeding on a plant.

The insect MOST likely obtains its

nutrients from the

a. Cambium

b. Epidermisc. Phloem

d. Xylem

33. When a complete ring of bark is

removed from the trunk of a tree, it

will eventually die because this action

cuts off the supply of

a. Mineral salts to the leaves.

b. Nutrients to the roots.

c. Oxygen to the roots.

d. Water to the leaves.

34. The ureter carries urine from the

a. Kidney to bladderb. Collecting tubule to the pelvis

c. Nephron to the collecting tubule

d. Bladder out of the body

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

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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

Item 41 refers to the diagram below.

41. The stem at Q is turned upward because

a. auxins accumulated on the lower sideof the shoot

b. the tip can only grow if it is pointing

upwardsc. auxins accumulated on the upper side

of the shootd. it was attracted to light

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 receptors

of the fingerc. To link the sense organs to the sensory

neurons

d. To pass nerve impulses out to theneurones

43. The diagram shows a section of the brain.

In the diagram, which part produces

hormones?

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44. The diagram show the workingof a synapse between twoneurones

What do the arrows 1 and 2represent?

1 2

a. Chemical

transmitter

Slow actinghormone

b. Chemical

transmit

ter

Chemicaltransmitter

c. Nerveimpulse

Chemicaltransmitter

d. Nerveimpulse

Slow actinghormone

45. In a reflex action, after thehand touches a hot object,what is the role of the brain?

Receivesinformation

Initiates thewithdrawalresponse

a. b. c. d.

46. If an object is thrown towards you,your eyes blink. The receptors andeffectors for this reflex action arethe

a. Retina and eyelid muscles

b. Retina and ciliary musclesc. Pupil and eyelid musclesd. Pupil and ciliary muscles

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47. The diagram shows a sectionthrough the human eye.Where will an image bedetected when a person looksat an object?

48. The eye is sometimes referred to as an

effector organ because

a. The pupil constricts in thepresence of bright light

b. The rods and cones are

stimulated by light

c. Images which fall on the retinaare sent to the brain

d. Neurons from the eye lead to thecentral 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. Which of the following statementsconfirms that the coconut is a fruit?

a. It can be eaten

b. It is dispersed by water

c. It has a plumule and a radicled. It has a three layered pericarp

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51. Refer to the following apparatus

shown below

The initial temperature of the beans was

noted and readings were taken at regular

intervals twice daily for four days. The dataobtained were used to plot the graph below

0

10

20

30

40

50

60

9:00 15:00

21:00

3:00 9:00 15:00

21:00

3:00

Time (hr

Temp./0C

The increase in temperature in the vessel isBEST explained by the fact that the seeds

are

a. numerousb. placed close together

c. taking in water

d. using their food stores

52. The following are observations about a

potato plant

I. There is one parent plant

II. The tubers are attached to the parentplant

III. The tubers are genetically identical tothe parent plant

IV. The tuber store food

Which of these observations describe asexual

reproduction?

a. I and III

b. I and IVc. II and III

d. II and IV

53. The diagram shows the carpel of a flowersoon after pollination.

What are the labelled structures?

X Y Z

a. Ovule Stigma Filament

b

.

Ovule Stamen Pollen

tube

c. Pollengrain

Stigma Pollentube

d.

Pollengrain

Stamen Filament

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54. The diagrams show four different

fruits.

Which two fruits are dispersed byanimals?

a. 1 and 2 b. 1 and 3

c. 2 and 4 d. 3 and 4

55. The diagram shows a section through a

fruit containing a seed

What are the labelled parts?

1 2 3 4

a. cotyledon radicle pericarp testa

b. cotyledon radicle testa pericarp

c. radicle cotyledon pericarp testa

d. radicle cotyledon testa pericarp

Items 56 and 57 refer to the following diagram of

a Tullgren funnel which is used for collecting

small soil animals

56. The purpose of the light bulb is to

a. Enable the investigator to see the smallorganisms

b. Provide warmth for the soil organisms

c. Drive animals to the base of the funneld. Keep the alcohol at a constant

temperature

57. Which of the following explains why the

apparatus works well?

I soil organisms show a positive

response to gravity

II soil organisms show a negativeresponse to light

III soil organisms are killed by alcohol

IV soil organisms move away from dryareas

a. I and II only

b. III and IV only

c. I, II and III onlyd. II, III and IV only

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58. What is an advantage of feeding a

baby with bottled milk rather than

breast milk?

a. Breast milk contains antibodiesb. It is easier to keep the milk free

of pathogensc. The babys intake of food can be

measured

d. The milk is always at the right

temperature

59. The diagram shows the female

reproductive system.

In which parts are the eggs and thezygote 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. meiosisc. ovulation d. urination

END OF EXAM (TOTAL 60 MARKS)If you finish before time is called, check your work on this test.

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