Metro mock March 2026 Science

Metro mock March 2026 Science - Section A Instructions

Answer all questions in this section

Question 1

Which of the following pairs of energy sources is environmentally friendly?

Question 2

In making ornaments and jewellery, non-reactive metals are preferred because they

Question 3

The primary purpose of respiration in man is to I. Take in oxygen II. Release carbon dioxide III. Regulate body temperature

Question 4

The energy transformation that occurs when sodium hydroxide is dissolved in water is

Question 5

A mother took her child to the hospital and upon investigation, it was noticed that the child's diet was lacking in zinc. What could this result in? I. Decreased growth in the child II. Anaemia and constipation III. Inability of the body to fight infection

Question 6

Which of the following nursery beds is suitable for a flood prone area?

Question 7

A student is to measure 20cm³ of a sodium hydroxide solution. What instrument could be used?

Question 8

The following devices work based on the principle of pressure in fluids except

Question 9

An electric bulb is rated 0.5 A, 120 V. Determine the power produced when the bulb is turned on

Question 10

The simplest way of making well water suitable for laundry is by

Question 11

When a stick is dipped into a pool of water, it appears to

Question 12

Which of the following sources of energy is non-renewable? I. Coal II. Solar III. Wind IV. Uranium-236

Question 13

Grasshopper management is crucial because of all the following reasons except

Question 14

The defect identified is mostly caused by a deficiency in

Question 15

What ingredient could be added to the feed to correct the defect?

Question 16

Chlorophyll helps plants absorb energy from the sun as they undergo the process of photosynthesis. It is located in a structure called

Question 17

The building block of a material with the smallest unit of matter that retains the properties of an element is

Question 18

A livestock farmer wants to achieve good health for the animals being reared. Which of the following activities should be undertaken by the farmer? I. Have vaccination schedule for the animals II. Provide balanced ration to the animals III. Provide good sanitation for the animals

Question 19

A hunter experiences a backward force upon firing a gun. Which of the Newton’s laws of motion is demonstrated in the situation?

Question 20

A metallic ladle was left in a boiling soup. After sometime, the handle became hot. This is because the particles in the ladle

Question 21

A bowl of water on a gas stove was initially cold. It became warm after sometime. What was the mode of heat transfer in the water?

Question 22

The consequences of the greenhouse effect on humans include I. Flooding of coastal cities II. Desertification of fertile areas III. Increased number of storms IV. Increased use of fossil fuels

Question 23

Canned foods and drinks have expiry dates on them. The hazard involved in taking an expired drink is

Question 24

Oil from a mechanic workshop accidentally spilled into a pool of water which was breeding mosquitoes. After sometime, the pool of water was no longer breeding mosquitoes. Which control method may have been deployed?

Question 25

Which of the following sets of devices operate on the principle of magnetism?

Question 26

A natural phenomenon that illustrates the dispersal of light is

Question 27

Cockroaches in a cupboard were killed after an insecticide had been sprayed. The insecticide reached the cockroaches by the process of

Question 28

A student who complained of stomach upset was given first aid with Mg(OH)â‚‚ boldly written on it. What could be the common name of the first aid the student given?

Question 29

The portion of air which acts as a solvent is

Question 30

Which of the following electrical appliances can convert electrical energy to heat energy? I. Electric iron II. Kettle III. Water heater

Question 31

Which of the following elements has four electron shells?

Question 32

Nitrogen deficiency in soils causes

Question 33

Which of the following natural cycles directly involves the sun? I. Carbon cycle II. Water cycle III. Nitrogen cycle

Question 34

The unit inscribed on the bulb measures its

Question 35

The 50 W bulb is likely to I. Increase the brightness in the room II. Increase the amount of electricity consumed III. Destroyed the habitat of pests

Question 36

The following processes are chemical except

Question 37

A substance that could be used in large scale treatment of domestic water is

Question 38

Which of the following statements best describes the term green economy? It includes

Question 39

Digestion of rice in humans starts from the

Question 40

Two unknown solutions labelled A and B were brought to a JHS 3 class. It was observed that in solution A, red litmus paper changed colour to blue, whiles in solution B, red litmus paper retained its colour. What could be the content of solution A?