The correct answer is (A) production of sex cells.
No hip broadening in boys, voice breaking is for boys only and enlargement of breasts is only for girls.
sharon kalunda answered the question on July 29, 2019 at 06:36
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Which one of the following parts of the breathing system warms the incoming air?
(Solved)
Which one of the following parts of the breathing system warms the incoming air?
A. Nose.
B. Trachea.
C. Diaphragm.
D. Lung.
Date posted:
July 29, 2019
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Answers (1)
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The diagram below shows a bird's beak
The bird is likely to be
(Solved)
The diagram below shows a bird's beak
The bird is likely to be
A. grain eater.
B. filter feeder.
C. flesh eater.
D. nectar feeder.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following methods controlling livestock parasites will control both roundworms and ticks?
(Solved)
Which one of the following methods controlling livestock parasites will control both roundworms and ticks? A. Dipping.
B. Rotational grazing.
C. Spraying.
D. Clearing vegetation.
Date posted:
July 29, 2019
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Answers (1)
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The following are ways through which plants show interdependence EXCEPT
(Solved)
The following are ways through which plants show interdependence EXCEPT
A. sharing food.
B. support.
C. provision of shelter.
D. provision of medicines.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following is NOT a condition for germination?
(Solved)
Which one of the following is NOT a condition for germination?
A. Soil.
B. Oxygen.
C. Moisture.
D. Warmth.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following is a field pest?
(Solved)
Which one of the following is a field pest?
A. Weevils.
B. Aphids.
C. White ants.
D. Rodents.
Date posted:
July 29, 2019
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Answers (1)
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The diagram below shows parts of a flower.
Pupils made the following statements about the parts labelled W, X, Y and Z
(i) W produces nectar....
(Solved)
The diagram below shows parts of a flower.
Pupils made the following statements about the parts labelled W, X, Y and Z
(i) W produces nectar.
(ii) X produces pollen.
(iii) Y transfers pollen.
(iv) Z allows pollen tube to germinate which two statements are correct?
A. (i) and (ii).
B. (ii) and (iv).
C. (iii) and (iv).
D. (i) and (iii).
Date posted:
July 29, 2019
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Answers (1)
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A mixture of sand salt and husk can be separated by?
(Solved)
A mixture of sand salt and husk can be separated by?
A. dissolving, filtering and winnowing.
B. winnowing, dissolving, filtering and evaporating.
C. dissolving, filtering and evaporating.
D. picking, sieving, dissolving and filtering.
Date posted:
July 29, 2019
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Answers (1)
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A component of air used for germination is also required for
(Solved)
A component of air used for germination is also required for
A. burning substances.
B. preserving soft drinks.
C. making proteins.
D. making electric bulbs.
Date posted:
July 29, 2019
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Answers (1)
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In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with
(Solved)
In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with
A. water and fresh milk.
B. water only.
C. fresh milk and kerosene.
D. kerosene only.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following pairs of substances is correctly grouped according to its characteristics?
(Solved)
Which one of the following pairs of substances is correctly grouped according to its characteristics?
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following pairs of materials are correctly matched with the heat transfer process that takes place in them?
(Solved)
Which one of the following pairs of materials are correctly matched with the heat transfer process that takes place in them?
Convection Radiation
A. Water Vacuum
B. Air Iron
C. Glass rod Vacuum
D. Water Air
Date posted:
July 29, 2019
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Answers (1)
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A plane mirror is placed at the beginning of the word MALARIA. Which one of the following groups of letters will remain the same when...
(Solved)
A plane mirror is placed at the beginning of the word MALARIA. Which one of the following groups of letters will remain the same when the word is reflected?
A. M, A, L.
B. M, A, I.
C. R, A, I.
D. L, I, A.
Date posted:
July 29, 2019
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Answers (1)
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The purpose of each of the following is insulation against heat loss EXCEPT
(Solved)
The purpose of each of the following is insulation against heat loss EXCEPT
A. clay pots.
B. wooden handle frying pan.
C. Woolen clothing.
D. window curtains.
Date posted:
July 29, 2019
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Answers (1)
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In which one of the circuits below would the bulb light?
(Solved)
In which one of the circuits below would the bulb light?
Date posted:
July 29, 2019
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Answers (1)
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When rays of light pass from air to water they
(Solved)
When rays of light pass from air to water they
A. bounce back.
B. increase in size.
C. are bent.
D. are absorbed.
Date posted:
July 29, 2019
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Answers (1)
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The form of energy that comes second during energy transformation in a torch dry cells is
(Solved)
The form of energy that comes second during energy transformation in a torch dry cells is
A. Light.
B. electrical.
C. chemical.
D. heat.
Date posted:
July 29, 2019
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Answers (1)