1.
Which of the following is a sexually transmitted disease?
Cholera
Rickets
Tuberculosis
Syphilis
2.
The excretory organs in man are the
Kidneys and urethra
Kidneys and the skin
Kidneys, lungs and the skin
Kidneys and the lungs
3.
Which of the following farming practices is the best way of maintaining soil fertility?
Crop rotation
Seasonal cropping
Constant ploughing
Bush burning
Mono cropping
4.
5.
A boy exerts a force of 40.0 N to lift a load into a vehicle. If the work done is 80.0 J, calculate the distance through which the load is lifted.
0.5 m
2.0 m
40.0 m
120.0 m
3200.0 m
6.
Which of the following arrangements is the correct order of increasing complexity of the structure?
Cells → systems → tissues → organs
Cells → tissues → systems → organs
Cells → organs → tissues → systems
Cells → systems → organs → tissues
Cells → tissues → organs → systems
7.
The law of conservation of energy states that energy can
be created but not transformed
be destroyed but not transformed
neither be created nor transformed
not be created but can be transformed
neither be created nor destroyed, but only be transformed
8.
On the moon, there are large holes called
valleys
gullies
spurs
craters
9.
The darkest part of a shadow formed during an eclipse is called
Lunar eclipse
Annular eclipse
Penumbra
Umbra
Solar eclipse
10.
11.
A mixture of sand and water can be separated through
filtration
ionization
condensation
sedimentation
12.
Which of the following chemical equations is the correct representation of the preparation of carbon dioxide?
CaCO3 + 2HCl → CaO + Cl2 + H2 + CO2
CaCO3 + 2HCl → CaCl2 + H2CO3
CaCO3 + 2HCl → CaO + Cl2 + H2O + CO
CaCO3 + 2HCl → CaCl2 + H2 + CO2
CaCO3 + 2HCl → CaCl2 + H2O + CO2
13.
14.
A stone with mass 80.0 g was put into a measuring cylinder containing water. If the water level rises by 20.0 cm, calculate the density of the stone.
0.25 g cm-3
1.20 g cm-3
1.80 g cm-3
3.30 g cm-3
4.00 g cm-3
15.
The sun is made up of burning
gases
rocks
gold
coal
16.
The force overcome by a machine is known as the
effort
load
pivot
lever
17.
Calculate the work done when a weight of 20.0 N is lifted vertically through a distance of 10.0 cm
2000.0 J
200.0 J
20.0 J
2.0 J
0.2 J
18.
19.
Soil aeration can be improved by
Adding mineral to the soil
Application of fertilizer to the soil
Weathering
Activities of earthworms
Manuring
20.
Which of the following does not play any part in digestion?
Mouth
duodenum
rectum
pancreas
21.
22.
All the following add nitrates to the soil except
Okro
Broad beans
French beans
Groundnuts
23.
The blood in mammals is composed of
a red liquid
red blood cells and white blood cells
liquid plasma and solid corpuscles
blood protein and glycerol
24.
67%
40%
33%
30%
12%
25.
The type of energy stored in fuels is called
light energy
solar energy
electrical energy
kinetic energy
26.
An object at rest may have
velocity
momentum
kinetic energy
potential energy
27.
Birds are able to fly because they have
hollow bones
web legs
tail feathers
flat chest
28.
The chief source of energy in the world today is
coal
crude oil
natural gas
uranium
29.
Which of the following is used by plants to make its food?
carbon monoxide
oxygen
carbon dioxide
hydrogen
30.
Sleeping sickness is spread by
blackfly
firefly
Mosquito
Housefly
31.
An example of a crop that reduces the fertility of the soil rapidly is
Beans
Legumes
Groundnuts
Cassava
32.
The blackpod disease which attacks cocoa pods is caused by
virus
bacterium
plasmodium
fungus
33.
The organ which enables a fish to breathe in water is the
Nostril
Pectoral fin
Dorsal fin
Gall bladder
34.
35.
When the palms of the hand are rubbed together, kinetic energy is changed to
thermal energy
potential energy
solar energy
elastic energy
36.
Trees in desert regions have thick barks which enables them to
prevent heat loss
absorb more light
prevent water loss
absorb more water
37.
Which of the following is true about loamy soil?
I. Is formed from a mixture of sand and clay
II. It is good for plant cultivation
III. Its water retention is poor
I only
I and II only
I and III only
II and III only
I, II and III
38.
In which part of the alimentary canal is food finally changed into a form that can be absorbed into the bloodstream?
small intestines
oesophagus
mouth
stomach
39.
In which units are the vast distances between stars in space measured?
Knots
Kilometres
Furlongs
Miles
40.
Which of the following happens during fertilization in humans?
A membrane forms around the egg
only one sperm fuses with the egg
the egg divides into two
the egg moves down into the egg tube
(a)
Define the following terms:
(i)
erosion
(ii)
reproduction
(iii)
parasite
(iv)
excretion
(b)
Give one example each of erosion and parasite.
(c)
Draw and label a diagram of the female reproductive organ in a human being.
(d)
(i)
Define the term work.
(ii)
An amount of 300.0 J of work is done when a force moves through a distance of 10.0 m in the direction of the force. Calculate the value of the force.
(e)
Write down the names of the following compounds:
(i)
NH4Cl
(ii)
HCl
(iii)
CuSO4
(iv)
FeCl3
(f)
Explain how sulphur can be obtained from a mixture of powdered sulphur and iron filings.
(a)
Draw and label a diagram to show how the eclipse of the sun is formed.
(b)
(i)
What is a lever?
(ii)
Classify the following as first class lever, second class lever or third class lever by copying and completing the table below:
Beam balance, crowbar, wheel barrow, a pair of scissors, claw hammer, sugar tong, human fore-arm and bottle opener
First class lever | Second class lever | Third class lever |
(c)
(i)
What is pollination?
(ii)
Give two agents of pollination.
(d)
Name three excretory organs and the products they excrete.
(e)
(i)
What is an alloy?
(ii)
What are the compositions of each of the following alloys?
Bronze, Brass, Steel and Duralumin
(f)
Sodium chloride is prepared by the reaction between dilute hydrochloric acid and sodium hydroxide solution. Write down the equation for this reaction.
(a)
An atom has an atomic number of 8 and a mass number of 16. State the number of each of the following in the atom:
(i)
Protons
(ii)
Electrons
(iii)
Neutrons
(b)
(i)
Draw the structure of the atom in (a) above
(ii)
If the atom in (a) above gains two electrons what will be the charge of the ion?
(c)
State the end-product of the following food substances:
(i)
Carbohydrates
(ii)
Proteins
(iii)
Fats
(d)
(i)
What is the preservation of food?
(ii)
List four methods of food preservation.
Explain why one of the methods you have listed is used for food preservation.
(e)
(i)
An object is placed in front of a plane mirror. Draw a ray diagram to show how the image of the object is formed.
(ii)
State two characteristics of an image formed by a plane mirror.
(a)
(i)
Give the names of organisms which cause the following diseases:
Sleeping sickness, Cholera, Malaria, Bilharzia
(ii)
Which part of the following crops does a farmer usually grow?
Banana, cocoyam, tomato, ginger, yam, cassava
(b)
Name the organs used by the following organisms for respiration:
(i)
Tilapia
(ii)
Toad
(c)
(i)
What happens to the temperature of water that is boiling in an open container?
(ii)
Give two characteristics of a liquid.
(iii)
Name the three processes by which heat is transmitted.
(iv)
State two applications of the expansion of solids in everyday life.
(d)
Explain the following terms:
(i)
Physical change
(ii)
Chemical change
(e)
State whether each of the following is a physical or a chemical change
(i)
rusting of iron
(ii)
freezing of water
(iii)
burning of wood
(iv)
fermentation
(v)
grinding of chalk
(vi)
dissolving sugar in water
(f)
Name the compound formed when theh following elements combine:
(i)
Iron and sulphur
(ii)
Zinc and oxygen
(iii)
Sodium and chlorine
(iv)
Calcium and chlorine