Question 1
Which of the following sources of energy is non-renewable? I. Coal II. Solar III. Wind IV. Uranium-236
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Question 2
The building block of a material with the smallest unit of matter that retains the properties of an element is
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Question 3
Oil from a mechanic workshop accidentally spilled into a pool of water which was breeding mosquitoes. After sometime, the pool of water was no longer breeding mosquitoes. Which control method may have been deployed?
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Question 4
Grasshopper management is crucial because of all the following reasons except
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Question 5
A hunter experiences a backward force upon firing a gun. Which of the Newton's laws of motion is demonstrated in the situation?
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Question 6
Which of the following sets of devices operate on the principle of magnetism?
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Question 7
Which of the following elements has four electron shells?
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Question 8
A livestock farmer wants to achieve good health for animals being reared. Which of the following activities should be undertaken by the farmer? I. Have vaccination schedules for the animals II. Provide balanced ration to the animals III. Provide good sanitation for the animals
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Question 9
Canned foods and drinks have expiry dates on them. The hazard involved in taking an expired drink is
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Question 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?
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Question 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?
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Question 12
A bowl of water on a gas stove was initially cold. It became warm after sometime. What was the mode of heat transfer in the water?
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Question 13
The portion of air which acts as a solvent is
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Question 14
A natural phenomenon that illustrates the dispersal of light is
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Question 15
When a stick is dipped into a pool of water, it appears to
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Question 16
Which of the following electrical appliances can convert electrical energy to heat energy? I. Electric iron II. Kettle III. Water heater
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Question 17
The consequences of the greenhouse effect on humans include I. flooding of coastal cities II. desertification of fertile areas III. increased number of storms IV. increased use of fossil fuels
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Question 18
Cockroaches in a cupboard were killed after an insecticide had been sprayed. The insecticide reached the cockroaches by the process of
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Question 19
Which of the following nursery beds is suitable for a flood prone area?
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Question 20
Which of the following natural cycles directly involves the sun? I. Carbon cycle II. Water cycle III. Nitrogen cycle
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Question 21
The primary purpose of respiration in man is to I. take in oxygen. II. release carbon dioxide. III. regulate body temperature.
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Question 22
Nitrogen deficiency in soils causes
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Question 23
An electric bulb is rated 0.5 A, 120 V. Determine the power produced when the bulb is turned on.
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Question 24
The following processes are chemical changes except
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Question 25
Which of the following statements best describes the term green economy? It includes
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Question 26
The energy transformation that occurs when sodium hydroxide is dissolved in water is
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Question 27
Digestion of rice in humans starts from the
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Question 28
A substance that could be used in large scale treatment of domestic water is
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Question 29
Chlorophyll helps plants absorb energy from the sun as they undergo the process of photosynthesis. It is located in a structure called
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Question 30
An electrical engineer was in your school to replace a 20 W bulb with a 50 W bulb. Use this information to answer the question below The unit inscribed on the bulb measures its
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Question 31
An electrical engineer was in your school to replace a 20 W bulb with a 50 W bulb. Use this information to answer the question below The 50 W bulb is likely to I. increase the brightness in the room. II. increase the amount of electricity consumed. III. destroy the habitat of pests.
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Question 32
The following devices work based on the principle of pressure in fluids except
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Question 33
In making ornaments and jewellery, non-reactive metals are preferred because they
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Question 34
A metallic saddle was left in a boiling soup. After sometime, the handle became hot. This is because the particles in the saddle
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Question 35
The simplest way of making well water suitable for laundry is by
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Question 36
A poultry farmer observed that the layers were producing thin-shelled eggs. Use this information to answer the question below The defect identified is mostly caused by a deficiency in
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Question 37
A poultry farmer observed that the layers were producing thin-shelled eggs. Use this information to answer the question below What ingredient could be added to the feed to correct the defect?
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Question 38
Which of the following pairs of energy sources is environmentally friendly?
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Question 39
A student is to measure 20 cm3 of a sodium hydroxide solution. What instrument could be used?
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Question 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? I. Decreased growth in the child II. Anaemia and constipation III. Inability of the body to fight infection
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