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Form 5 Intergrated Science Past paper

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

Which of the following word equations represents the process of photosynthesis

a)

Carbon dioxide + Water + Energy to produce Sucrose + Oxygen

b)

Carbon dioxide + Water + Energy to produce Glucose + Oxygen

c)

Alcohol + Oxygen to produce Carbon dioxide + Water + Energy

d)

Oxygen + Glucose to produce Carbon dioxide + Water + Energy

2.

Antibodies are important in the Human body because they

a)

control hormones

b)

protect against diseases

c)

help make red blood cells

d)

regulate blodd glucose levels

3.

Which of the following systems is likely to be affected by the presence of dust in the Air?

a)

Circulation

b)

Respiratory

c)

Endocrine

d)

Digestive

4.

Which part of the flower forms the seed after fertilization?

a)

Ovule

b)

Ovary

c)

Anther

d)

Filament

5.

Which Structure is the site where male gamelets are produced?

a)

Ovule

b)

Ovary

c)

Anther

d)

Filament

6.

Which of the following structures BEST completes the path to fertilization in plants?

Pollen → → Ovary

a)

Petal

b)

Stigma

c)

Stamen

d)

Receptacle

7.

Which of the following methods of birth control is MOST likely to prevent the spread of sexually transmitted infections?

a)

Barrier

b)

Natural

c)

Surgical

d)

Hormonal

8.

The diagram refers to an animal cell.

What is the name of the structure labelled Y?

a)

Nucleus

b)

Cytoplasm

c)

Mitochondria

d)

Chromosome

9.

A food cupboard should always be kept well ventilated and cool, rather than closed up and warm. The BEST reason for this is that

a)

some bacteria need oxygen to reproduce

b)

bacteria grow more rapidly in the dark then in the light

c)

most bacteria need warm moist places in which to reproduce

d)

warm, humid air is more likely to cause disease than cool, dry air

10.

Hydrochloric acid is produced in

a)

I

b)

II

c)

III

d)

IV

11.

Which of the following structures function as a gigestive organ and also produces a hormone

a)

Liver

b)

Pituitary

c)

Pancreas

d)

Gall Bladder

12.

By which of the following processes does water move from the soil into the root hairs of a plant?

a)

Osmosis

b)

Diffusion

c)

Capillarity

d)

Transpiration

13.

Which of the following components of blood protects the body by engulfing bacteria?

a)

Plasma

b)

platelet

c)

Red blood cell

d)

White blood cell

14.

The blone labelled X is the

a)

femur

b)

radius

c)

humerus

d)

phalange

15.

Photosynthesis occurs in the

a)

mitochondrion

b)

chloroplast

c)

cell wall

d)

nucleus

16.

Which of the following toxic gases functions by binding to the haemoglobin in the red blood cells?

a)

Chlorine

b)

Ammonia

c)

Sulphur dioxide

d)

Carbon monoxide

17.

The structure responsible for the transfer of characteristics from parents to offsprin is the

a)

cell membrane

b)

chromosome

c)

cytoplasm

d)

vacuole

18.

Which of the following statements about respiration is true?

a)

Anaerobic respiration produces more energy than aerobic respiration.

b)

Anaerobic respiration requires oxygen while aerobic respiration does not require oxygen.

c)

Aerobic respiration requires oxygen while anaerobic respiration does not require oxygen

d)

Aerobic respiration produces oxygen while anaerobic respiration produces carbon dioxide.

19.

Which of the following are significant sources of air pollution?


I. Oil spills

II. Volcanic eruptions

III. Extensive use of cars

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

20.

The amount of water entering the tissues of the body is controlled by

a)

egestion

b)

excretion

c)

nutrition

d)

osmoregulation

21.

Which of the following processes are associated with excretion by the kidneys?


I. Filtration

II. Evaporation

III. Reabsorption

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

22.

Which structure transmits impulses to the brain?

a)

I

b)

II

c)

III

d)

IV

23.

Which electrical component is designed to melt an break a circuit if too much current passes through it?

a)

Fuse

b)

Flex

c)

Plug

d)

Switch

24.

Which of the following symbols represents a switch?

a)
b)
c)
d)
25.

Which of the following organisms is a parasite?

a)

Rat

b)

Fly

c)

Tick

d)

Cockroach

26.

The type of pest control which involves the use of a predator is called

a)

biological control

b)

mechanical control

c)

chemical control

d)

sanitary control

27.

Solar energy is transferred through space by

a)

radiation

b)

convection

c)

conduction

d)

evaporation

28.

The method of heat transfer through the metal rod is

a)

evaporation

b)

conduction

c)

convection

d)

radiation

29.

What type of energy is the athlete using to jump over the hurdle?

a)

Heat

b)

Sound

c)

Kinetic

d)

Potential

30.

The formular for calculating current passing through fuses is

a)

voltage ÷ power

b)

power ÷ voltage

c)

power x voltage

d)

power x power

31.

which of the following is NOT a conductor of electricity?

a)

Carbon

b)

Copper

c)

Plastic

d)

Iron

32.

The unit of current is

a)

ohm

b)

volt

c)

watt

d)

ampere

33.

In which TWO circuits are bulbs wired in parallel?

a)

I and II

b)

I and IV

c)

II and III

d)

III and IV

34.

Which equipment protects a person from toxic fumes?

a)

Ear protector

b)

Goggles

c)

Safety clothing

d)

Respirator

35.

The diagram is an example of

a)

a fixed pulley

b)

a simple lever

c)

an inclined plane

d)

a movable pulley

36.

Which of following formulae is used to calculate the mechanical advantage (MA) of a Machine?

a)

MA = Effort/Load

b)

MA = Load/Effort

c)

MA = Effort - Load

d)

MA = Effort x Load

37.

Which off the following are properties of aluminium alloys that make them suitable for the manufacture of aircraft and boats?


I. Light

II. Strong

III. Expensive

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

38.

WHich of the following characteristics represent MOST non-metals?

I. Insulate against both heat and electricity

II. Low boiling points

III. High melting point

a)

I and II only

b)

I and III only

c)

Ii and III only

d)

I, II and III

39.

The rusting of iron is an example of

a)

reduction

b)

oxidation

c)

precipitation

d)

neutralization

40.

Windows made from steel will rust quickly by the seaside. This is because the air by the seaside has a high concentration of

a)

oxygen

b)

iodine vapour

c)

carbon dioxide

d)

sodium chloride

41.

Which chemical must be handled with EXTREME care and preferably by the teacher?

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

42.

A substance, X has a pH of 2. This means X is

a)

a salt

b)

a base

c)

an acid

d)

an alkali

43.

The following data were obtained in an experiment to investigate the best soil pH for different craops. Which crop grows best in Neutral soil?

a)

4.0-6.0

b)

6.0-8.0

c)

8.0-10.0

d)

10.0-12.0

44.

Hard water is referred to as water that

a)

is frozen

b)

contains alcohol

c)

contains a lot of chemicals

d)

does not easily form lather with soap

45.

Earth is Labelled

a)

W

b)

X

c)

Y

d)

Z

46.

Saturn is labelled

a)

W

b)

X

c)

Y

d)

Z

47.

During which of the processes labelled I, II, III and IV is excretion occurring?

a)

I

b)

II

c)

III

d)

IV

48.

Decayed organic matter in soil is called

a)

sand

b)

humus

c)

sediment

d)

limestone

49.

Which of the following organisms is NOT eaten by snakes?

a)

Toad

b)

Squirrel

c)

Predaceous insect

d)

Herbivorous insect

50.

A non-moving boundary between two air masses is called

a)

a cold front

b)

a warrm front

c)

a stationary front

d)

an occluded front

51.

The eye of a hurricane is the

a)

region with the lowest pressure

b)

path along which the hurricane is moving

c)

region in which the hurricane is located

d)

region where the winds reach maximum speed

52.

Which of the following processes results in water moving from the ocean to the atmosphere?

a)

Respiration

b)

Precipitation

c)

Evaporation

d)

Condensation

53.

WHich of the following method involves the settling of heavy suspended material?

a)

Filtration

b)

Distillation

c)

Chlorination

d)

Sedimentation

54.

Which of the following fishing methodds is LEAST efficient for commercial purpose?

a)

Drift nets

b)

Long lines

c)

Hand lines

d)

Trawl nets

55.

The increased pressure encountered by drivers at large depths below sea level can affect the

a)

ears

b)

eyes

c)

nose

d)

mouth

56.

Which of the following is NOT a water safety device?

a)

Life raft

b)

Life jacket

c)

Inflatable Tube

d)

Inflatable balloon

57.

The type of energy contained in fossil fuels is

a)

solar

b)

kinetic

c)

chemical

d)

electrical

58.

Which of the following is NOT associated with the use of fossil fuels?

a)

Erosion

b)

Acid rain

c)

Pollution

d)

Global warming

59.

The direction in which the plane is moving is

a)

X to Y

b)

Y to X

c)

P to Q

d)

Q to P

60.

Which of the following diagrams represents an object in stable equilibrium?

a)
b)
c)
d)

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