Integrated Science 2024 - WASSCE

WASSCE INTEGRATED SCIENCE

Question 1

The process by which liquid changes into vapour at a particular temperature is known as

Question 2

Which of the following organisms has neither a nucleus nor membrane bound organelles?

Question 3

A dibber is used for

Question 4

An electric bulb is rated 120 W and 240 V. Determine the current it draws from the mains.

Question 5

The layer of the atmosphere in which air travel is most convenient is

Question 6

An agricultural system in which crops and animals are produced on the same piece of land at the same time is termed

Question 7

Cowpea plants are used in crop rotation system of farming so that

Question 8

The angle of reflection of a ray is 40°. Determine the angle between the surface of the mirror and the ray.

Question 9

Fluid consists of

Question 10

Which of the following compounds is a neutral oxide?

Question 11

For grafting to be successful, the scion and the stock must be of the same

Question 12

A gas that gives a pop sound with a flame is

Question 13

Fifteen children from a class of 45 roll tongues. What percentage of the class are rollers?

Question 14

The major cause of pest harvest loss of stored millet in Ghana is

Question 15

Examples of plants with rhizome are

Question 16

The management practice which makes the transport of farm animals easy is

Question 17

Breeds of fowl which are reared for the purpose of producing meat are called

Question 18

The set-up used to separate water from ethanol should include

Question 19

Which of the following statements about sea breeze are correct? Sea breeze occurs I. during the day. II. during the night. III. as a result of convection currents.

Question 20

Mineral salts from the soil pass into the root hair cells by

Question 21

Which of the following salts can cause temporary hardness in water?

Question 22

An example of inorganic fertilizer is

Question 23

Two resistors each 5 Ω are connected in parallel. Determine their effective resistance.

Question 24

A person who suffers from myopia

Question 25

An example of a wind instrument is

Question 26

Which of the following statements about compounds are correct I. They are products of chemical combination. II. Their constituents are present in fixed ratio by mass III. Their constituents keep their individual properties

Question 27

The equivalent of 161 K in degree celcius is

Question 28

Which of the following processes uses solar energy? I. Drying materials, II. Generation of electricity, III. Heating of food substances.

Question 29

Turgidity in plants is the result of

Question 30

Which of the following non-metals conduct electricity?

Question 31

The main function of ileum in mammals is

Question 32

Living organisms which help to modify the physical and chemical composition of the soil are I. earthworms. II. lichens. III. bacteria.

Question 33

The IUPAC name of the compound whose structural formula is illustrated below is **Diagram will be provided**

Question 34

Organic compounds are mostly

Question 35

Which of the following compounds of the electromagnetic spectrum has the highest frequency?

Question 36

In mammals, the organ which deaminates excess amino acid to form urea is the

Question 37

Maintenance ration provides farm animals with nutrients required for

Question 38

Which of the following compounds is a hydrocarbon?

Question 39

A characteristics feature of metamorphic and sedimentary rocks is that they are

Question 40

An example of naturally occurring weak acid is

Question 41

The number of electrons present in the outermost shell of an element with atomic number 20 is

Question 42

The neutrons and protons in the nucleus of an atom are collectively called

Question 43

Energy output in a device is equal to work done

Question 44

The shape of the lens of the human eye is varied by the action of the

Question 45

Which of the following organelles is the site for protein synthesis?

Question 46

Fehling's solution is used in the laboratory to test for the presence of

Question 47

Which of the following quantities have both magnitude and direction? I. Displacement II. Speed III. Momentum

Question 48

Group of organs which form part of the central nervous system are the

Question 49

Proteins are usually made up of

Question 50

Which of the following characteristics are correct about dairy cattle? They have I. large udder, II. long logs, III. wedged body.