1.
[1]
WASSCE 2021 · Paper 1
Natural fats are composed of
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WASSCE past question
Integrated Science 2021
Integrated Science Paper 1
2.
[1]
WASSCE 2021 · Paper 1
Ash from burnt plant material can be used to prepare local soap because it contains
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3.
[1]
WASSCE 2021 · Paper 1
Excessive amount of nitrogen in the soil leads to
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4.
[1]
WASSCE 2021 · Paper 1
The SI unit of electric charge is
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5.
[1]
WASSCE 2021 · Paper 1
Which of the following gases is a greenhouse gas?
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6.
[1]
WASSCE 2021 · Paper 1
The instrument most suitable for the measurement of the thickness of a sheet of paper is
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7.
[1]
WASSCE 2021 · Paper 1
Which of the following indicators can measure pH values?
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8.
[1]
WASSCE 2021 · Paper 1
The main function of the rumen is to
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9.
[1]
WASSCE 2021 · Paper 1
The fibrous mesocarp of coconut aids its dispersal by
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10.
[1]
WASSCE 2021 · Paper 1
Which of the following radiations are particles? I. Alpha II. Beta III. Gamma
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11.
[1]
WASSCE 2021 · Paper 1
A substance that contains 10 electrons and 11 protons is
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12.
[1]
WASSCE 2021 · Paper 1
Which of the following practices reduces the speed of run-off along sloped lands?
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13.
[1]
WASSCE 2021 · Paper 1
Methods of reducing friction in machines include I. use of ball bearings II. use of lubricants III. use of cooling agents Which of the following statements above are correct?
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14.
[1]
WASSCE 2021 · Paper 1
Leguminous fodder crops are included in pastures to ensure that animals are supplied with
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15.
[1]
WASSCE 2021 · Paper 1
Which of the following pollutants affect weather conditions? I. Sulphur dioxide II. Ozone III. CFC
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16.
[1]
WASSCE 2021 · Paper 1
Fresh tomato seeds only germinate after they dry up. This may be due to
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17.
[1]
WASSCE 2021 · Paper 1
The work done by a machine in moving a body is 450 J. If the force applied is 30.0 N, calculate the distance through which the body moved.
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18.
[1]
WASSCE 2021 · Paper 1
In the reflex arc, the
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19.
[1]
WASSCE 2021 · Paper 1
How many moles of oxygen are present in 4.0 g of the gas?
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20.
[1]
WASSCE 2021 · Paper 1
An athlete runs an 800 m race in 4 minutes and 40 seconds. Calculate the average speed of the athlete.
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21.
[1]
WASSCE 2021 · Paper 1
The volume occupied by 0.02 moles of a gas at standard temperature and pressure is
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22.
[1]
WASSCE 2021 · Paper 1
Which of the following activities best describe soil conservation? I. Ensuring presence of water in the soil. II. Maintaining nutrient in the soil. III. Practicing crop rotation on the soil. IV. Protecting the structure of the soil.
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23.
[1]
WASSCE 2021 · Paper 1
Oil dipped on the surface of water bodies kills mosquito larvae through
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24.
[1]
WASSCE 2021 · Paper 1
An object weighs 20 N in air and when immersed in a liquid it displaces 0.5 kg of the liquid. Calculate the upthrust on the object. [g = 10 ms-2]
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25.
[1]
WASSCE 2021 · Paper 1
Alkanoic acid + alkanol ⇋H2SO4 alkyl alkanoate + water Use the equation above to answer the question below The reaction is called
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26.
[1]
WASSCE 2021 · Paper 1
Alkanoic acid + alkanol ⇋H2SO4 alkyl alkanoate + water Use the equation above to answer the question below The H2SO4 is acting as
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27.
[1]
WASSCE 2021 · Paper 1
In which of the following applications is cooling by evaporation used? I. Temperature regulation in humans II. Cooling of water in an alcohol clay pot III. Cooling by an air conditioner
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28.
[1]
WASSCE 2021 · Paper 1
The earthworm is important to the farmer because it
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29.
[1]
WASSCE 2021 · Paper 1
Which of the following blood types are safe to use for a person with type B blood? I. A II. B III. O
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30.
[1]
WASSCE 2021 · Paper 1
Smoke is a mixture of
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31.
[1]
WASSCE 2021 · Paper 1
Which of the following crops is a fruit vegetable?
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32.
[1]
WASSCE 2021 · Paper 1
The elements in bronze are
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33.
[1]
WASSCE 2021 · Paper 1
The acrosome in the sperm cell
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34.
[1]
WASSCE 2021 · Paper 1
Which of the following pollutants cause(s) acid rain? I. CO2 II. NO2 III. SO3
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35.
[1]
WASSCE 2021 · Paper 1
The part of the human ear that helps to balance pressure between the ear and the atmosphere is
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36.
[1]
WASSCE 2021 · Paper 1
Digestion of food is completed in the
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37.
[1]
WASSCE 2021 · Paper 1
A maize cob showing large mass of black spores on some of the grains indicates infection of
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38.
[1]
WASSCE 2021 · Paper 1
Which of the following unit(s) is/are derived? I. Ohm II. Volt III. Ampere
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39.
[1]
WASSCE 2021 · Paper 1
When anaerobic respiration and aerobic respiration are compared, the energy yield
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40.
[1]
WASSCE 2021 · Paper 1
An example of a unisexual flower is
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41.
[1]
WASSCE 2021 · Paper 1
Which of the following materials is non-magnetic?
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42.
[1]
WASSCE 2021 · Paper 1
Plastics have become important substitutes for metals n manufacturing industries because of their I. anti-rust properties. II. relative cheapness. III. ability to be moulded into shapes. Which of the statements above are correct?
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43.
[1]
WASSCE 2021 · Paper 1
Species, genus and family are examples of
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44.
[1]
WASSCE 2021 · Paper 1
The correct order in which food moves through the digestive system of a fowl is
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45.
[1]
WASSCE 2021 · Paper 1
If the genotype of the parents are Aa and Aa, the offsprint most probably will be
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46.
[1]
WASSCE 2021 · Paper 1
Sound waves travel fastest in
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47.
[1]
WASSCE 2021 · Paper 1
Which of the following properties of carbon dioxide is useful in fire fighting? I. It does not support combustion. II. It is heavier than air. III. It does not produce toxic compounds.
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48.
[1]
WASSCE 2021 · Paper 1
Pricking of yam is done to
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49.
[1]
WASSCE 2021 · Paper 1
An example of a wind instrument is
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50.
[1]
WASSCE 2021 · Paper 1
Which of the following descriptions best fit the structure of the incisor in humans?
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