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

Integrated Science2020

BECE · 40 questions · Answers included

40 questions

1

Which of the following parts of the tooth is embedded in the jaw bone?

2

Which part of the human body stores sperms temporarily ?

3

An advantage of soft water over hard water is that soft water

4

The work done by force of 20 N on a body is 60 J . Calculate the distance through which the force moved

5

Which of the following processes removes carbon from the atmosphere?

6

A substance which is made up of the same kind of atoms is called

7

Which of the following statement(s) is/are true of a shadow? A shadow is formed I. by a transparent object, II. by an opaque object, III. on a screen.

8

Which of the following diseases results from malnutrition?

9

The chemical formula of an aluminium sulphide is Al y S 3 .Determine the value of y

10

Which of the following sources of energy is/are renewable? I. Wind II. Coal III. Crude oil

11

Soils are describe as heavy because they

12

An example of a legume is

13

The process used to separate a mixture of iron filings and sulphur is

14

The colour of a soil profile determines the

15

The end-product of digestion of fats and oils is

16

The unit of potential difference

17

A stone displaced 20 cm 3 of water when immersed in the water. If the mass of the stone is 40 g. find the density of the stone

18

One similarity of physical and chemical changes is that both

19

Which of the following elements is a macro-nutrient?

20

The process by which metabolic wastes are removed from the body is called

21

The part of the flower that produces pollen grains is the

22

Which of the following statement(s) about pressure in fluids is/are correct? Pressure

23

A boy who is seventeen years old is an

24

The mode of heat transfer in which no material is involved is known as

25

Which of the following factors are used to describe a fertile soil?

26

The major charge carriers in p-type semiconductors are

27

The dry season in Ghana is mainly from

28

The practice that excess branches of growing plants are removed is termed

29

Which of the following soil type has the highest capillarity?

30

Which of the following farming practices promote soil erosion

31

The nearest planet to the sun in the solar system is

32

In which of the following devices is electrical energy transformed into light energy

33

An example of a semi-metal is

34

The elements in the periodic table are arranged according to their

35

Which of the following states of matter are fluids

36

A liquid-liquid mixture can be seperated by

37

When an unknown solution reacted with magnesium, a gas was produced. Which of the following solutions could be the unknown solution

38

Which of the following statements about acids correct

39

The structure which enables a fish to breate in water is

40

A fruit in which the pappus has been modified into a parachute structure is dispersed by