Nyansapɔ wisdom knot — symbol of wisdom, ingenuity, and patience

Integrated Science2024

BECE · 40 questions · Answers included

40 questions

1

Which of the following sources of energy is non-renewable?

2

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

3

Oil from a mechanic workshop accidentally spilled into a pool of water which was breeding mosquitoes.

4

Grasshopper management is crucial because of all the following reasons except

5

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

6

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

7

Which of the following elements has four electron shells?

8

A livestock farmer wants to achieve good health for animals being reared.

9

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

10

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 ?

11

A student who complained of stomach upset was given first aid with Mg(OH) 2 boldly written on it. What could be the common name of the first aid the student was given?

12

A bowl of water on a gas stove was initially cold. It became warm after sometime.

13

The portion of air which acts as a solvent is

14

A natural phenomenon that illustrates the dispersal of light is

15

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

16

Which of the following electrical appliances can convert electrical energy to heat energy?

17

The consequences of the greenhouse effect on humans include

18

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

19

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

20

Which of the following natural cycles directly involves the sun?

21

The primary purpose of respiration in man is to

22

Nitrogen deficiency in soils causes

23

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

24

The following processes are chemical changes except

25

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

26

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

27

Digestion of rice in humans starts from the

28

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

29

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

30

An electrical engineer was in your school to replace a 20 W bulb with a 50 W bulb.

31

An electrical engineer was in your school to replace a 20 W bulb with a 50 W bulb.

32

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

33

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

34

A metallic saddle was left in a boiling soup. After sometime, the handle became hot.

35

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

36

A poultry farmer observed that the layers were producing thin-shelled eggs.

37

A poultry farmer observed that the layers were producing thin-shelled eggs.

38

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

39

A student is to measure 20 cm 3 of a sodium hydroxide solution. What instrument could be used?

40

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?