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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
- 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. Answers (1)
- 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. Answers (1)
- The diagram below shows components of human blood.
The component that stops the bleeding of a wound is (Solved)
The diagram below shows components of human blood.
The component that stops the bleeding of a wound is
A.E
B.F.
C.G
D.H
Date posted: July 29, 2019. Answers (1)
- The diagram below represents a mammalian heart.
In which pair of blood vessels is blood under highest pressure? (Solved)
The diagram below represents a mammalian heart.
In which pair of blood vessels is blood under highest pressure?
A. W and X.
B. X and Y.
C. Y and Z.
D. W and Z.
Date posted: July 29, 2019. Answers (1)
- The table below shows the type and number of teeth in an adult human being.
Which one of the following correctly represents E,F,G and H?(Solved)
The table below shows the type and number of teeth in an adult human being.
Which one of the following correctly represents E,F,G and H?
Date posted: July 29, 2019. Answers (1)
- The diagram below shows the human digestive system.
The juice produced at the part labelled N is used to digest(Solved)
The diagram below shows the human digestive system.
The juice produced at the part labelled N is used to digest
A. carbohydrates.
B. proteins.
C. fats and oils.
D. mineral salts.
Date posted: July 29, 2019. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- The chart below shows a weather record kept by pupils for five days.
From the chart, whenever it was(Solved)
The chart below shows a weather record kept by pupils for five days.
From the chart, whenever it was
A. sunny in the morning, it rained in the afternoon.
B. cloudy in the morning, it was sunny in the afternoon.
C. calm in the morning, it was windy in the afternoon.
D. windy in the morning, it was calm in the afternoon.
Date posted: July 29, 2019. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)