Question 1

An example of a third class lever is

A. wheelbarrow.
B. sugar tongs.
C. pair of scissors.
D. crowbar.

Question 2

The release of a mature egg from an ovary into the fallopian tube in humans is called

A. copulation.
B. ejaculation.
C. menstruation.
D. ovulation.

Question 3

The blood vessel that carries oxygenated blood from the lungs to the heart is unknown as

A. pulmonary artery.
B. pulmonary vein.
C. vena cana.
D. aorta.

Question 4

An example of a plant micro-nutrient is

A. calcium.
B. copper.
C. magnesium.
D. potassium.

Question 5

What is the colour of the neutral wire in a three-pin plug?

A. Blue
B. Brown
C. Green
D. Yellow

Question 6

In the pin-hole camera, the image formed is always

A. erect and bright.
B. erect and blurred.
C. inverted and real.
D. inverted and virtual.

Question 7

The part of the flower that develops into a fruit is the

A. ovary.
B. ovule.
C. stamen.
D. style.

Question 8

The number of elements in the compound Ca(OH)2 is

A. 2
B. 3
C. 4
D. 5

Question 9

The reason why alum is added to water during treatment is to

A. kill germs.
B. give taste to water.
C. make water colourless.
D. make suspended particles to settle.

Question 10

Which of the following animal parasites could be controlled by hand picking?

A. Liver fluke
B. Tapeworm
C. Tick
D. Roundworm

Question 11

A stick which is partially immersed in water appeared to be bent due to

A. absorption.
B. reflection.
C. refraction.
D. transmission.

Question 12

One difference between metals and non-metals is that metals

A. have low density.
B. are not malleable.
C. have lustre.
D. have low melting points.

Question 13

The cultivation of different crops on different plots of a farmland in a definite cycle is called

A. land rotation.
B. shifting cultivation.
C. crop rotation.
D. mixed cropping.

Question 14

Iodine deficiency in humans could result in a disorder known as

A. diabetes.
B. goitre.
C. kwashiorkor.
D. scurvy.

Question 15

A substance is termed combustible if it

A. easily catches fire.
B. dissolve common salt.
C. sublimes at room temperature.
D. boils at 100°C.

Question 16

Micro-organisms that cause disease are collectively called

A. bacteria.
B. infections.
C. pathogens.
D. viruses.

Question 17

Which type of energy is lost when sweat evaporates from the human body?

A. Sound energy
B. Mechanical energy
C. Chemical energy
D. Heat energy

Question 18

Which of the following gases is involved in the rusting of iron?

A. Hydrogen
B. Oxygen
C. Nitrogen
D. Carbon dioxide

Question 19

The feeling of soil between fingers is used to determine the

A. texture of the soil.
B. drainage of the soil.
C. capillary of the soil.
D. water holding capacity of the soil.

Question 20

Sodium hydroxide is an example of a base because it

A. has sour taste.
B. has a pH less than 7.
C. turns wet blue litmus paper red.
D. turns wet red litmus paper blue.

Question 21

Which of the following plants has its leaves modified for storing food?

A. Ginger
B. Onion
C. Pineapple
D. Tomato

Question 22

Gases enter and leave the leaf of a plant through the

A. mesophyll cells.
B. stomata.
C. pith.
D. palisade cells.

Question 23

Which of the following vegetable crops is cultivated for its leaves?

A. Carrot.
B. Lettuce.
C. Okro.
D. Pepper.

Question 24

An example of a body that does not produce its own light is the

A. moon.
B. sun.
C. star.
D. fire fly.

Question 25

Which of the following devices converts electrical energy into sound energy?

A. Electric heater
B. Electric fan
C. Washing machine
D. Loudspeaker

Question 26

Transplanting of young seedlings is usually done in the evening because

A. darkness promotes rapid growth.
B. seedlings require less nutrients.
C. pest attack is minimal.
D. transpiration is minimal.

Question 27

A mixture of sugar and water could be separated by

A. decantation.
B. evaporation.
C. filtration.
D. sublimation.

Question 28

Which of the following processes results in the formation of new substances?

A. Cooling water to form ice
B. Adding saliva to cooked yam
C. Dissolving sugar in water
D. Mixing iron dust and sand

Question 29

Photosynthesis is important to living organisms because it produces

A. glucose and oxygen.
B. glucose and carbon dioxide.
C. oxygen and carbon dioxide
D. water and carbon dioxide.

Question 30

Global warming is caused by the

A. circulation of oxygen in the atmosphere.
B. excessive release of carbon dioxide into the atmosphere.
C. release of hydrogen into the atmosphere.
D. circulation of nitrogen in the atmosphere.

Question 31

The warming and safety signs on chemical containers are usually represented by a symbol placed within a

A. circle.
B. rectangle.
C. square.
D. triangle.

Question 32

In which of the following structures in a living cell is cellulose found?

A. Chloroplast.
B. Mitochondrion.
C. Cell membrane.
D. Cell wall.

Question 33

Elements that could easily lose electrons to form cations are

A. metals.
B. non-metals.
C. semi-metals.
D. noble gases.

Question 34

The conversion of agricultural produce from its original form to other desirable forms is termed

A. preservation.
B. processing.
C. recycling.
D. storage.

Question 35

The function of the hair in the nose of humans is to

A. make breathing easier.
B. keep nose moist.
C. filter dust from the air breathed in.
D. keep the nose warm.

Question 36

A metal that is used as a thermometric liquid is

A. aluminium.
B. copper.
C. mercury.
D. silver.

Question 37

The joule is the S.I unit for

A. energy.
B. force.
C. power.
D. pressure.

Question 38

Which of the following gases supports combustion?

A. Hydrogen
B. Oxygen
C. Carbon dioxide
D. Carbon monoxide

Question 39

The form of energy which flows from one point to another due to temperature differences is known as

A. mechanical energy.
B. heat energy.
C. solar energy.
D. nuclear energy.

Question 40

Which of the following resources does not produce energy?

A. Coal
B. Sand
C. Water
D. Wind