Question 1

The energy transformation that takes place in a solar cell is

A. light to chemical.
B. light to electrical.
C. electrical to heat.
D. electrical to light.

Question 2

All flowering plants end their life cycle with

A. seed formation.
B. seed development.
C. seed dispersal.
D. seed germination.

Question 3

Soil texture is a term used to describe the

A. amount of water soil can hold.
B. arrangement of soil particles in a given soil.
C. properties of soil, silt and clay in a sample of soil.
D. mixture of all soil particles.

Question 4

Which of the following processes is an example of a physical change?

A. Fermentation of food
B. Respiration
C. Magnetization of iron
D. Lighting a match

Question 5

An example of a storage pest is

A. yam beetle.
B. capsid.
C. army worm.
D. weevil.

Question 6

The solid component found on the filter paper and the liquid component that flows into a container during filtration are respectively called

A. filtrate and residue.
B. condensate and residue.
C. residue and filtrate.
D. residue and condensate.

Question 7

A capacitor is connected in a series circuit with LED, a battery and a switch. When the circuit is closed, the LED

A. comes on and stays on.
B. flashes and goes off.
C. does not come on.
D. flashes and stays on.

Question 8

The ion that causes hardness in water is

A. CO32-.
B. Mg2+.
C. Na+.
D. OH-.

Question 9

Which of the following substances are matter?

I. Hydrogen

II. Air

III. Stone

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

Question 10

The main reason for staking tomato is to ensure

A. bigger fruit development.
B. air circulation on the farm.
C. upright growth of the plant.
D. that fruits do not get rotten.

Question 11

Which of the following statements about clayey soil is not true? It

A. swells when dry and shrinks when wet.
B. has high water retention.
C. is difficult to plough when dry.
D. is compact when dry.

Question 12

It is not advisable to use old electrical gadgets because they

A. are not efficient.
B. are dangerous.
C. produce sparks.
D. waste energy.

Question 13

Which of the following planets are closer to the sun than the Earth?

A. Venus and Mars
B. Venus and Mercury
C. Mercury and Mars
D. Venus and Saturn

Question 14

Which of the following statements about pressure in liquids is/are correct?

I. Pressure in liquids at the same level acts equally in all directions.

II. Pressure in liquids depend on the area of the liquid.

III. Pressure in liquids decreases with depth.

A. I only
B. II only
C. I and III only
D. I, II and III

Question 15

Soil depletion is not caused by

A. erosion.
B. afforestation.
C. leaching.
D. illegal mining.

Question 16

What force makes a ripe mango fall from a tree?

A. Force of tension
B. Magnetic force
C. Electrostatic force
D. Gravitational force

Question 17

Urea is a good source of

A. phosphorus in the soil.
B. calcium in the soil.
C. sodium in the soil.
D. nitrogen in the soil.

Question 18

Which of the following statements are reasons for conserving energy?

I. Insufficient production of energy

II. Increasing demand of energy

III. Limiting production of carbon (IV) oxide

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

Question 19

A force meter measures

A. mass.
B. temperature.
C. weight.
D. work.

Question 20

Which of the following bodies are natural sources of light?

I. Moon

II. Sun

III. Glow Worm

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

Question 21

Which of the following characteristics is/are of the image formed in a pinhole camera? The image is

I. inverted.

II. virtual.

III. diminished.

A. I only
B. II and III only
C. I and III only
D. I, II and III

Question 22

The floor of a room has length 20 m and breadth 15 m. Determine the area of the floor.

A. 35 m²
B. 200 m²
C. 250 m²
D. 300 m²

Question 23

Rainfall is a result of

A. low pressure.
B. strong wind.
C. cold wind.
D. low humidity.

Question 24

An example of a first class lever is

A. bottle opener.
B. crow bar.
C. wheel barrow.
D. fishing rod.

Question 25

Green plants have the ability to make their own food hence they are known as

A. producers.
B. parasites.
C. consumers.
D. decomposers.

Question 26

The periodic table is an arrangement of elements according to increasing

A. atomic number.
B. mass number.
C. nucleon number.
D. neutron number.

Question 27

The number required to make the following chemical equation balanced is:

H2 + O2 → H2O

A. 1/2.
B. 1.
C. 1/3.
D. 3.

Question 28

The ovary, style and stigma are collectively known as the

A. stamen.
B. pistil.
C. fruit.
D. stem.

Question 29

A mixture of alcohol and water can best be separated by

A. filtration.
B. condensation.
C. distillation.
D. evaporation.

Question 30

An atom 2311X forms bond by losing one electron, the charge on the ion formed is

A. -1
B. -2
C. +1
D. +2

Question 31

The hard outer surface of a tooth is called

A. root.
B. dentine.
C. cement.
D. enamel.

Question 32

People who travel in space are called

A. geologists.
B. astronauts.
C. space shuttlers.
D. astronomist.

Question 33

The practice of growing cowpea and maize on a piece of land at the same time is known as

A. mixed farming.
B. mixed cropping.
C. land rotation.
D. crop rotation.

Question 34

A lunar eclipse may occur when the

A. moon is between the earth and the sun.
B. sun is between the earth and the moon.
C. earth is between the sun and the moon.
D. moon is positioned far away from the earth.

Question 35

Which of the following instruments can be used to measure the diameter of a circle?

A. A metre-rule
B. A thermometer
C. An ammeter
D. A string

Question 36

When gases are heated they

A. melt.
B. sublime.
C. decrease in volume.
D. decrease in intermolecular forces

Question 37

The shoot system of a flowering plant develops from the

A. radicle.
B. plumule.
C. cotyledon.
D. endosperm.

Question 38

The diagram below is an illustration of a transistor.

The arrow shows the direction of:

A. electron movement.
B. hole movement.
C. electron and hole movement.
D. negative charge movement.

Question 39

Digestion of protein begins in the stomach and ends in the

A. large intestine.
B. small intestine.
C. appendix.
D. caecum.

Question 40

Which of the following substances is a compound?

A. Copper
B. Diamond
C. Sucrose
D. Sulphur