1.
Digested food is absorbed into the blood stream through the
duodenum
large intestines
rectum
small intestines
2.
3.
Soil acidity can be reduced by adding
acid solution
ammonium sulphate
fertilizer
lime
4.
The planet earth is located in a galaxy known as
constellation
meteorites
milky way
satellite
5.
The most productive soil in agriculture is
clayey soil
loamy soil
sandy soil
humus
silt
6.
A chemical that can be used to test for the presence of protein in food substances is
Benedict’s solution
Fehling’s solution
Eosin solution
Iodine solution
7.
According to the principle of conservation of energy, ‘energy can
be created and destroyed
be created but not destroyed
be destroyed but not created
be reduced but not increased
8.
The purpose of vaccination is to
replace poisoned tissues
kill disease-producing organisms in the body
increase the activity of white blood cells
induce the production of anti bodies
9.
Which of the following planets may be seen as a bright star in early mornings or evenings?
Jupiter
Mars
Saturn
Uranus
10.
Which of the following gives the correct order by which blood circulates continuously through the circulatory system?
Heart → veins → organs → arteries → heart
Heart → arteries → organs → veins → heart
Heart → arteries → veins → organs → heart
Heart → organs → arteries → veins → heart
11.
The weight of an object is the
force with which the sun pulls it
force with which the moon pulls it
force of the object when gravity is not acting on it
force with which gravity acts on it
12.
The process of fusion of sperm and ovum is known as
fertilization
menstruation
pollination
reproduction
13.
How much work is done when a kerosene tin is pushed with a force of 20 N through a distance of 2 m?
0.01 J
0.10 J
10.0 J
20.0 J
14.
Which of the following form part of the alimentary canal?
I. Colon
II. Gullet
III. Liver
IV. Pancreas
I and II only
I and IV only
II and III only
II and IV only
15.
16.
Which of the following leaves are sensitive to touch?
Cassava leaves
Mimosa leaves
Orange leaves
Palm leaves
17.
Which of the following properties is / are common to both liquids and gases?
Fixed shape
Fixed shape and fixed volume
Fixed size
No definite shape
18.
Which of the following plants has suckers?
Onion
Orange
Plantain
Sweet Potato
19.
Which of the following activities of man causes both air and water pollution?
Afforestation
Construction of houses
Construction of roads
Deforestation
Industrialization
20.
21.
Decay is an important biological process because it brings about the
formation of nutrients in living organisms
manufacture of cells of living organisms
production of oxygen by plants
release of nutrients from dead organisms
22.
The darkest part of a shadow formed during an eclipse is called
annular eclipse
lunar eclipse
penumbra
solar eclipse
umbra
23.
Which of the following particles can be found in the nucleus of an atom?
Electrons and protons
Electrons and shells
Neutrons and electrons
Neutrons and protons
24.
Which of the following substances is used to purify water for town supply?
Alcohol
Carbon dioxide
Chlorine
Nitrogen
25.
The shedding of leaves by plants during the dry season protects them against
bush fire
cold weather
plant-eating animals
heat loss
26.
27.
Which of the following carry deoxygenated blood in the body?
Arteries
Red blood cells
Valves
Veins
28.
Which of the following forces will cause an object to move in a circular path?
Centripetal force
Gravitational force
Inertial force
Reaction force
29.
The paired fins in fishes are used for
protection and diving
diving and balancing
balancing and control
steering and diving
30.
In which of the following is urine produced?
Bladder
Kidney
Liver
Penis and vagina
31.
Photosynthesis occurs only in green plants because they
absorb water
are found in the tropics
are very active
contain chlorophyll
32.
The food we eat undergoes slow oxidation in our bodies to produce heat. In this process
chemical energy is converted to heat energy
electrical energy is converted to heat energy
kinetic energy is converted to heat energy
mechanical energy is converted to heat energy
33.
Which of the following planets is nearest to the earth?
Jupiter
Mercury
Pluto
Saturn
34.
Which of the following organs help to improve soil fertility?
Earthworms
Guinea worms
Hookworms
Roundworms
35.
A stone released from a catapult was able to kill a bird because
the stone had a lot of energy
the stone was sharp
there was tension in the stone
the rubber of the catapult was strong
36.
Which of the following is a plant parasite?
Capsid
Caterpillar
Dodder
Louse
37.
By the end of digestion, lean meat is turned into
amino acids
fatty acids
glycerol
glucose
38.
In which of the following electrical appliances is electrical energy mainly converted to heat energy?
Cooker
Fan
Refrigerator
Tape recorder
39.
The energy for lighting a torchlight bulb comes from the
bulb
cell
filament
glass
40.
The largest component of sweat is
glucose
oil
salt
urea
(a)
Define the term osmosis
(b)
State two examples of everyday observations which can be explained in terms of capillary action.
(c)
(i)
Name the three processes by which heat can be transferred.
(ii)
Name three appliances which use thermostat.
(d)
(i)
What is a saturated solution?
(ii)
State whether each of the following is a solution, suspension or a colloid:
Clay in water
Sugar in water
Ammonia in water
Powdered chalk in water
Potassium permanganate in water
Soap in water
(a)
Copy the table below and write the usual host of each of the parasites given in the spaces provided.
| Parasite | Host |
| Plasmodium | |
| Capsids | |
| Tapeworm | |
| Dodder |
(b)
(i)
Name three classes of food
(ii)
For each of the following food substances, give the major class of food to which it belongs:
Starch, milk, margarine, sugar
(c)
Write the chemical formula for each of the following compounds:
(i)
calcium hydroxide
(ii)
zinc chloride [zinc (II) chloride]
(iii)
sodium nitrate [sodium trioxonitrate (V)]
(iv)
calcium carbonate [calcium trioxocarbonate (IV)]
(v)
potassium sulphate [potassium tetraoxosulphate (VI)]
(d)
(i)
Define the term viscosity
(ii)
Describe an experiment you performed to compare the viscosities of two liquids A and B.
(a)
(i)
Define the terms humidity and wind
(ii)
Name the instruments used to measure humidity and the speed of wind
(b)
(i)
What is a galaxy?
(ii)
Give one example of galaxy.
(c)
State three methods by which food can be preserved.
(d)
Explain why it is better to wear white clothes than black clothes on a sunny day.
(e)
Write down the names of the new substances formed when the following substances are allowed to react:
(i)
Sodium hydroxide and dilute sulphuric acid
(ii)
Calcium carbonate and dilute hydrochloric acid
(iii)
Ammonia and dilute sulphuric acid
(a)
Define the following terms and give an example each
(i)
Herbivore
(ii)
Carnivore
(iii)
Omnivore
(b)
Two dry cells connected in parallel are in turn connected in series with a bulb and switch.
Draw a circuit diagram to illustrate this arrangement.
(c)
List four garden tools
(d)
What property of water causes mosquito larvae to float on it?
(e)
Describe an experiment you prepared to show that some part of air is used in burning.
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