1.
The method used to separate an insoluble solid from a liquid is
crystallization.
distillation.
filtration.
sublimation.
2.
The scent of a perfume sprayed at one corner of a room fills the entire room through
conduction.
diffusion.
osmosis.
radiation.
3.
Which of the following processes is a physical change?
Rusting of iron.
Burning of wood.
Formation of water from hydrogen and oxygen.
Solidification of water into ice.
4.
Atoms of the same element have the same
I. number of electrons
II. number of protons
III. chemical properties
Which of the above statements are true?
I and II only
II and III only
I and II only
I, II and III
5.
The unit of measurement of energy is
joule.
kelvin.
newton.
watt.
6.
Which of the following energy transformations takes place at a hydroelectric power station?
Potential energy → kinetic energy → electrical energy
Potential energy → sound energy → electrical energy
Kinetic energy → sound energy → electrical energy
Electrical energy → light energy → heat energy
7.
A drawing of magnetic line of force provides information on the
source of the field.
type of magnet.
strength of the field.
length of the magnet.
8.
A bottle of water removed from a refrigerator soon becomes covered with droplets of water because the
bottle is porous.
bottle is full of water.
water in the surrounding atmosphere is colder than the water in the bottle.
water in the surrounding atmosphere is warmer than the water in the bottle
9.
The volume of a metal ball was determined by dropping it into a measuring cylinder containing 20 cm3 of water and the water level rose to 35 cm3. If the mass of the ball is 35 g, calculate its density.
1.0 g cm-3
1.6 g cm-3
1.8 g cm-3
2.3 g cm-3
10.
A boy stepped on a banana peel on the ground and fell because the
boy was not wearing shoes.
ground was too hard.
banana peel reduced the friction on the ground.
banana peel increasethe friction on the ground.
11.
Which of the following conditions describes a first class lever?
The load is between the effort and pivot
The pivot is between the effort and the load
The effort is between the pivot and the load
The load arm is equal to the effort arm
12.
A man did 75 J of work by lifting a 50 N load from the floor on to a shelf. Calculate the height of the shelf.
0.67 m
1.50 m
25.00 m
125.00 m
13.
The lion is a carnivore because it eats
flesh.
grass.
fruits.
uncooked food.
14.
The structure which helps a fish to breath under water is the
gill.
air sac.
operculum.
mouth.
15.
The thorns found on some plants are used for
breathing.
protection.
absorbing water from the air.
resisting bush fires.
16.
The following characteristics are features of all living things except ability to
bring forth young ones.
excrete.
grow.
move from place to place.
17.
Which of the following parasites lives on field animals?
Aphid
Plasmodium
Tick
Tapeworm
18.
The greatest danger faced by mammals living on land is
becoming too cold.
becoming too hot.
losing water through evaporation.
gaining too much water through absorption.
19.
The insect responsible for the spread of malaria is the
female anopheles mosquito.
housefly.
male anopheles mosquito
tsetse fly.
20.
Which of the following substances is added to the soil to reduce its acidity?
Charcoal
Humus
Lime
Manure
21.
The figure below shows the arrangement of parts of the soil when some soil sample was shaken with water in a glass cylinder and allowed to settle.
Use it to answer the question below.
Which of the labelled layers contains organic matter?
M
N
O
P
22.
The figure below shows the arrangement of parts of the soil when some soil sample was shaken with water in a glass cylinder and allowed to settle.
Use it to answer the question below.
The layer which does not have the ability to retain much water is
N
O
P
Q
23.
Which of the following characteristics applies to only plants?
Excretion of waste materials
Response to stimuli
Ability to manufacture food from simple substances
Ability to respire
24.
The waste products of respiration are
glucose and oxygen.
carbon dioxide and water.
carbon dioxide and heat.
oxygen and water.
25.
The function of the lungs is to
maintain a constant amount of water in the body.
absorb oxygen from the blood.
absorb carbon dioxide from the blood.
maintain the temperature of the body constant.
26.
Which of the following plants reproduce(s) vegetatively?
I. Banana
II. Mango
III. Ginger
II only
I and II only
I and III only
III only
27.
The process which takes place in all living cells is
digestion.
fertilization.
photosynthesis.
respiration.
28.
The food substance found in yam is
carbohydrate.
oil.
protein.
vitamin.
29.
The end-products of the digestion of fats and oils are
amino acids and glucose.
amino acids and glycerol.
fatty acids and glycerol.
fatty acids and amino acids.
30.
Which of the following factors promote plant germination?
I. Adequate temperature
II. Moisture
III. Good soil
I and II only
I and III only
II and III only
I, II and III
31.
The female part of a flower is the
calyx.
pistil.
petal.
stamen.
32.
Which of the following substances breaks down fats into tiny droplets during digestion?
Bile
Gastric juice
Pancreatic juice
Saliva
33.
Blood in the urine is a symptom of
bilharzia.
cholera.
gonorrhoe.
typhoid
34.
A free movement of the bowels is aided by
sleeping at least 6 hours a day.
washing one's body at least twice a day.
eating fatty foods.
eating foods containing fibre.
35.
Which of the following diseases is spread through air?
AIDS
Measles
Typhoid
Yaws
36.
How many days in a month does the moon appear?
7 days
14 days
21 days
28 days
37.
The earth moves completely round the sun once in every
1 day.
28 days.
30 days.
365 days.
38.
A smaller heavenly body, which orbits a bigger one could be described as a
comet.
meteor.
moon.
sun.
39.
Which of the following parasites is a plant?
Aphid
Dobber
Flea
Jigger
40.
Which of the following substances is not a constituent of a balanced diet?
Carbohydrate
Protein
Table salt
Vitamins
a)
i)
Define photosynthesis.
ii)
Give two ways in which photosynthesis is important to animals.
b)
Name three sources of chemical energy.
c)
Describe how you would separate a mixture of sodium chloride and sand.
d)
Complete and balance the following chemical reaction:
CaCO3 + HCl →
e)
Two dry cells, a switch and a bulb are connected in series. Draw and label a circuit diagram of the arrangement.
a)
State two precautions that should be taken to prevent the spread of each of the following diseases:
i)
cholera
ii)
smallpox
b)
Describe how you would test for starch in a leaf.
c)
i)
Explain why an inclined plane is classified as a machine.
ii)
Give two reasons why the output energy of a machine is always less than the input energy.
d)
Draw and label the structure of an atom containing three electrons. Indicate the charges of the particles.
a)
Name the two processes that lead to the formation of seeds in a flowering plant.
b)
i)
Give five components of blood.
ii)
State three functions of blood.
c)
i)
What is an electrical insulator?
ii)
Mention three examples of insulators.
iii)
Give two characteristics of an insulator that explain its behaviour
d)
Classify the following substances under the three states of matter: petrol, palm oil, soap, carbon dioxide, corn flour, smoke
a)
i)
What is a deficiency disease?
ii)
Give two deficiency diseases and their causes.
b)
i)
State the importance of excretion in living organisms.
ii)
Name two excretory organs of the human body and the substances they excrete.
c)
i)
Explain why gases are more compressible than solids.
ii)
Give two areas where the compressible nature of a gas is applied
d)
A piece of stone is dropped from a height to the ground.
State the energies possessed by the stone
i)
just before it was released from the maximum point;
ii)
midway between the fall;
ii)
just before it hit the ground.
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