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The correct answer is C. Reduce the rate of evaporation
marto answered the question on October 16, 2019 at 10:30
- The experiment below was done by class 5 pupils to investigate conduction of heat in different solid.(Solved)
The experiment below was done by class 5 pupils to investigate conduction of heat in different solid.
They took the temperature of the water in different bowls. The temperature was lowest in the
A. Metal bowls B. Clay bowl
C. Wooden bowl D. Plastic bowl
Date posted: October 16, 2019. Answers (1)
- The following are ways of preserving foods. Which one is wrongly matched with the process it uses to preserve the foods?
A. Salting - Keeps meat...(Solved)
The following are ways of preserving foods. Which one is wrongly matched with the process it uses to preserve the foods?
A. Salting - Keeps meat and fish dry by removing moisture
B. Smoking - Smoke keeps off flies and dries the food.
C. Low temperatures - Kill the bacteria when temperatures are below 0 degrees C
D. Canning - Uses heat to destroy bacteria and enzymes
Date posted: October 16, 2019. Answers (1)
- Air pollution cannot be caused by.
A. Burning plastic materials
B. Gasses emmitted from vehicle exhaust.
C. Excessive use of chemical fertilisers
D. Aerosol sprays(Solved)
Air pollution cannot be caused by.
A. Burning plastic materials
B. Gasses emmitted from vehicle exhaust.
C. Excessive use of chemical fertilisers
D. Aerosol sprays
Date posted: October 16, 2019. Answers (1)
- Which of the following livestock pests can be controlled by dosing.
A. Ticks, lungworms, mites
B. Liverflukes, tapeworms, hookworms
C. Fleas, roundworms, lice
D. Tsetseflies, wireworms, nostrilfly(Solved)
Which of the following livestock pests can be controlled by dosing.
A. Ticks, lungworms, mites
B. Liverflukes, tapeworms, hookworms
C. Fleas, roundworms, lice
D. Tsetseflies, wireworms, nostrilfly
Date posted: October 16, 2019. Answers (1)
- The following are characteristics of some flowers Makhoha saw on his way to school.(Solved)
The following are characteristics of some flowers Makhoha saw on his way to school.
(i) anthers are firmly attached to the filament
(ii) the petals are green in colour
(iii) The stigma is hairly and branched
(iv) have loosely attached pollen grains
(v) Small flowers appear in groups
Which combination shows flowers which are pollinated by insects?
A. ii, iv B. ii, v
C. iii, iv D. i, v
Date posted: October 16, 2019. Answers (1)
- Below are ways in which a certain disease is transmitted - coughing, sneezing, kissing, sharing personal items.
The disease described is
A. Tuberculosis B. Malaria
C....(Solved)
Below are ways in which a certain disease is transmitted - coughing, sneezing, kissing, sharing personal items.
The disease described is
A. Tuberculosis B. Malaria
C. Measles D. Diptheria
Date posted: October 16, 2019. Answers (1)
- Study the diagram below showing an excretory organ.(Solved)
Study the diagram below showing an excretory organ.
The part labelled P is called
A. Renal artery B. Urinary bladder
C. Urethra D. Ureter
Date posted: October 16, 2019. Answers (1)
- Which of the following is a wrong statement about the left ventricle?
A. It pumps blood to all parts of the body
B. It receives blood...(Solved)
Which of the following is a wrong statement about the left ventricle?
A. It pumps blood to all parts of the body
B. It receives blood from the left auricle
C. It pumps blood through the pulmonary artery
D. It has thicker walls than the right auricle
Date posted: October 16, 2019. Answers (1)
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The following are ways of reducing friction except
A. Using rollers
B. Making surfaces rough
C. Using lubricants
D. Use of ball-bearings(Solved)
The following are ways of reducing friction except
A. Using rollers
B. Making surfaces rough
C. Using lubricants
D. Use of ball-bearings
Date posted: October 16, 2019. Answers (1)
- Which of the following immunization is given at the 10th week.
A. DPT I + Polio
B. BCG + polio
C. DPT II + Polio
D. DPT III +...(Solved)
Which of the following immunization is given at the 10th week.
A. DPT I + Polio
B. BCG + polio
C. DPT II + Polio
D. DPT III + Polio
Date posted: October 16, 2019. Answers (1)
- Which of the following is not a use of heat?
A. Cooking our food
B. Heating our rooms
C. Drying our clothes
D. Making of plants food(Solved)
Which of the following is not a use of heat?
A. Cooking our food
B. Heating our rooms
C. Drying our clothes
D. Making of plants food
Date posted: October 16, 2019. Answers (1)
- The type of beak shown below is adapted for.(Solved)
The type of beak shown below is adapted for.
A. Filter feeders
B. Nectar feeders
C. Grain eaters
D. Flesh eaters
Date posted: October 16, 2019. Answers (1)
- The following are uses of light except.
A. Drying clothes and grains
B. Lighting the house
C. During photosynthesis
D. During solar energy(Solved)
The following are uses of light except.
A. Drying clothes and grains
B. Lighting the house
C. During photosynthesis
D. During solar energy
Date posted: October 16, 2019. Answers (1)
- Study the food chain below.(Solved)
Study the food chain below.
What would happen if all the chameleons died?
A. Grass would increase
B. Grass would decrease
C. Insect would decrease
D. Hawks would increase
Date posted: October 16, 2019. Answers (1)
- Chebet a standard seven girl was asked by her teacher to mix the following liquids; water, kerosene, spirit, oil and milk. How many layers were...(Solved)
Chebet a standard seven girl was asked by her teacher to mix the following liquids; water, kerosene, spirit, oil and milk. How many layers were formed?
A. Five B.Three
C. Two D. Four
Date posted: October 16, 2019. Answers (1)
- The second smallest planet is the:-
A. Mercury B. Pluto
C. Mars D. Venus(Solved)
The second smallest planet is the:-
A. Mercury B. Pluto
C. Mars D. Venus
Date posted: October 16, 2019. Answers (1)
- Standard five pupils did the following experiment to show water-holding power of soils.(Solved)
Standard five pupils did the following experiment to show water-holding power of soils.
Which diagram represents loam soil?
Date posted: October 16, 2019. Answers (1)
- The use of a claw in a hammer is to:-
A. Drive in nails
B. Splitting wood
C. Twist nails in a wood
D. Remove nails from wood(Solved)
The use of a claw in a hammer is to:-
A. Drive in nails
B. Splitting wood
C. Twist nails in a wood
D. Remove nails from wood
Date posted: October 16, 2019. Answers (1)
- Which one is not true about the effects of noise pollution?
A. It is sound that is pleasing to the ear
B. Noise makes people less alert...(Solved)
Which one is not true about the effects of noise pollution?
A. It is sound that is pleasing to the ear
B. Noise makes people less alert and inattentive
C. The eardrum may easily be damaged
D. It irritates people who then get disturbed and angry.
Date posted: October 16, 2019. Answers (1)
- Which of the following does not cause clotting of blood?
A. Calcium B. Vitamin K
C. Vitamin E D....(Solved)
Which of the following does not cause clotting of blood?
A. Calcium B. Vitamin K
C. Vitamin E D. Platelets
Date posted: October 16, 2019. Answers (1)