The correct answer is B. cusps and ridges
Molars are the most posterior teeth in the mouth. They have cusps and ridges to sustain great amounts of force from chewing, grinding and clenching.
sharon kalunda answered the question on July 29, 2019 at 09:12
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Which one of the following is a function of the amniotic sac during pregnancy?
(Solved)
Which one of the following is a function of the amniotic sac during pregnancy?
A. Passes digested food to the foetus.
B. Allows gaseous exchange between the mother and foetus.
C. Prevents harmful micro-organisms from reaching the foetus.
D. Protects the foetus from physical shock.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following is NOT an excretory product in human beings?
(Solved)
Which one of the following is NOT an excretory product in human beings?
A. Urine.
B. Faeces.
C. Sweat.
D. Carbon dioxide.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following planets is closer to the sun?
(Solved)
Which one of the following planets is closer to the sun?
A. Jupiter.
B. Venus.
C. Earth.
D. Mars.
Date posted:
July 29, 2019
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Answers (1)
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Below is an illustration of a food chain.
Plant —> Antelope —> Lion —> Vulture
Tertiary consumers are represented by
(Solved)
Below is an illustration of a food chain.
Plant —> Antelope —> Lion —> Vulture
Tertiary consumers are represented by
A. plants.
B. antelope.
C. lion.
D. vulture.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following plants is a cash crop?
(Solved)
Which one of the following plants is a cash crop?
A. Sunflower.
B. Irish potato.
C. Wheat.
D. Pineapple.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following teeth problems can be prevented by feeding on a balanced diet?
(Solved)
Which one of the following teeth problems can be prevented by feeding on a balanced diet?
A. Bleeding gums.
B. Dental cavities.
C. Bad smell.
D. Tooth decay.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following pairs of diseases is the infant immunized against at birth?
(Solved)
Which one of the following pairs of diseases is the infant immunized against at birth?
A. Tuberculosis and polio.
B. Polio and diphtheria.
C. Diphtheria and yellow fever.
D. Tuberculosis and yellow fever.
Date posted:
July 29, 2019
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Answers (1)
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During digestion, the following activities occur in the mouth EXCEPT
(Solved)
During digestion, the following activities occur in the mouth EXCEPT
A. mechanical breakdown of food.
B. secretion of digestive juice.
C. killing of germs.
D. rolling of food into bolus.
Date posted:
July 29, 2019
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Answers (1)
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Which type of manure is common on dairy farms?
(Solved)
Which type of manure is common on dairy farms?
A. Green manure.
B. Compost manure.
C. Farmyard manure.
D. Organic mulches.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following methods of food preservation is NOT modern?
(Solved)
Which one of the following methods of food preservation is NOT modern?
A. Canning.
B. Drying.
C. Use of honey.
D. Refrigeration.
Date posted:
July 29, 2019
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Answers (1)
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The diagram below illustrates two candles balancing against one.
If all the candles were lit at the same time, which one of the following is...
(Solved)
The diagram below illustrates two candles balancing against one.
If all the candles were lit at the same time, which one of the following is a correct observation made in the experiment?
A. The two candles were displaced upwards.
B. The single candle was displaced upwards.
C. There was no change in the set up.
D. The see-saw will swing towards both sides.
Date posted:
July 29, 2019
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Answers (1)
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The diagram below represents a single fixed pulley in use.
Which one of the following is NOT true about the pulley?
(Solved)
The diagram below represents a single fixed pulley in use.
Which one of the following is NOT true about the pulley?
A. It reduces the effort applied.
B. Effort and load move through equal distances.
C. Makes work easier by changing direction of effort.
D. The wheel reduces friction.
Date posted:
July 29, 2019
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Answers (1)
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Pupils placed a bottle top on water and it floated. They then crushed and placed the same bottle top on the water again and it...
(Solved)
Pupils placed a bottle top on water and it floated. They then crushed and placed the same bottle top on the water again and it sunk. Which one of the following factors that affect sinking and floating was being investigated?
A. Size of the material.
B. Type of the material.
C. Shape of the material.
D. Mass of the material.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following components of the environment will be least affected when an oil pipe bursts?
(Solved)
Which one of the following components of the environment will be least affected when an oil pipe bursts? A. Air.
B. Water.
C. Soil.
D. Plants.
Date posted:
July 29, 2019
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Answers (1)
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The diagram below represents a set—up used to demonstrate certain aspects of matter.
The pin next to the candle fell off as a result of
(Solved)
The diagram below represents a set—up used to demonstrate certain aspects of matter.
The pin next to the candle fell off as a result of
A. conduction and radiation.
B. radiation only.
C. convection and conduction.
D. conduction only.
Date posted:
July 29, 2019
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Answers (1)
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Pupils set up an experiment as shown in the diagram below.
Which one of the following was a correct observation from the experiment?
(Solved)
Pupils set up an experiment as shown in the diagram below.
Which one of the following was a correct observation from the experiment?
A. Water level in the trough increased.
B. Candle flame brightened.
C. Water level in the jar increased.
D. Color of the water changed.
Date posted:
July 29, 2019
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Answers (1)
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During an experiment pupils poured a certain amount of water into a container labelled S. They then transferred the same water into the containers labelled...
(Solved)
During an experiment pupils poured a certain amount of water into a container labelled S. They then transferred the same water into the containers labelled T and V.
The pupils were investigating whether liquids
A. have definite shape.
B. have definite volume.
C. occupy space.
D. exert same pressure.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following groups of materials consists only of non-magnetic materials?
(Solved)
Which one of the following groups of materials consists only of non-magnetic materials?
A. Nickel, aluminium, copper.
B. Plastic, copper, aluminium.
C. Paper, iron, glass.
D. Staples, coal, iron.
Date posted:
July 29, 2019
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Answers (1)
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In an investigation, pupils placed a mirror in a basin containing water to direct light to a white wall. The pupils were investigating
(Solved)
In an investigation, pupils placed a mirror in a basin containing water to direct light to a white wall. The pupils were investigating
A. how light travels.
B. reflection.
C. refraction.
D. making of a rainbow.
Date posted:
July 29, 2019
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Answers (1)
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Which one of the following is a function of fibre in the human diet?
(Solved)
Which one of the following is a function of fibre in the human diet?
A. Helps in food digestion.
B. Helps in the absorption of digested food.
C. Prevents diarrhoea.
D. Removal of undigested materials.
Date posted:
July 29, 2019
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Answers (1)