Question 1
Natural fats are composed of
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Question 2
Ash from burnt plant material can be used to prepare local soap because it contains
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Question 3
Excessive amount of nitrogen in the soil leads to
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Question 4
The SI unit of electric charge is
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Question 5
Which of the following gases is a greenhouse gas?
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Question 6
The instrument most suitable for the measurement of the thickness of a sheet of paper is
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Question 7
Which of the following indicators can measure pH values?
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Question 8
The main function of the rumen is to
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Question 9
The fibrous mesocarp of coconut aids its dispersal by
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Question 10
Which of the following radiations are particles? I. Alpha II. Beta III. Gamma
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Question 11
A substance that contains 10 electrons and 11 protons is
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Question 12
Which of the following practices reduces the speed of run-off along sloped lands?
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Question 13
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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Question 14
Leguminous fodder crops are included in pastures to ensure that animals are supplied with
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Question 15
Which of the following pollutants affect weather conditions? I. Sulphur dioxide II. Ozone III. CFC
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Question 16
Fresh tomato seeds only germinate after they dry up. This may be due to
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Question 17
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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Question 18
In the reflex arc, the
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Question 19
How many moles of oxygen are present in 4.0 g of the gas?
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Question 20
An athlete runs an 800 m race in 4 minutes and 40 seconds. Calculate the average speed of the athlete.
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Question 21
The volume occupied by 0.02 moles of a gas at standard temperature and pressure is
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Question 22
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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Question 23
Oil dipped on the surface of water bodies kills mosquito larvae through
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Question 24
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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Question 25
Alkanoic acid + alkanol ⇋H2SO4 alkyl alkanoate + water Use the equation above to answer the question below The reaction is called
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Question 26
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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Question 27
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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Question 28
The earthworm is important to the farmer because it
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Question 29
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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Question 30
Smoke is a mixture of
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Question 31
Which of the following crops is a fruit vegetable?
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Question 32
The elements in bronze are
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Question 33
The acrosome in the sperm cell
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Question 34
Which of the following pollutants cause(s) acid rain? I. CO2 II. NO2 III. SO3
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Question 35
The part of the human ear that helps to balance pressure between the ear and the atmosphere is
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Question 36
Digestion of food is completed in the
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Question 37
A maize cob showing large mass of black spores on some of the grains indicates infection of
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Question 38
Which of the following unit(s) is/are derived? I. Ohm II. Volt III. Ampere
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Question 39
When anaerobic respiration and aerobic respiration are compared, the energy yield
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Question 40
An example of a unisexual flower is
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Question 41
Which of the following materials is non-magnetic?
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Question 42
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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Question 43
Species, genus and family are examples of
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Question 44
The correct order in which food moves through the digestive system of a fowl is
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Question 45
If the genotype of the parents are Aa and Aa, the offsprint most probably will be
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Question 46
Sound waves travel fastest in
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Question 47
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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Question 48
Pricking of yam is done to
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Question 49
An example of a wind instrument is
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Question 50
Which of the following descriptions best fit the structure of the incisor in humans?
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