The correct answer is (C). Killing of germs.
The enzyme secreted in the mouth helps in digesting starch, but does not kill germs.
sharon kalunda answered the question on July 29, 2019 at 08:41
- 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)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- The following are parts of a flower
(i) Anther.
(ii) Style.
(iii) Ovary.
(iv).Stigma.
Which pair of the plant parts is involved in pollination? (Solved)
The following are parts of a flower
(i) Anther.
(ii) Style.
(iii) Ovary.
(iv).Stigma.
Which pair of the plant parts is involved in pollination?
A. (i) and (iii)
B. (ii) and (iii)
C. (iii) and (iv)
D. (i) and (iv)
Date posted: July 29, 2019. Answers (1)
- Which one of the following pairs consists only of green plants?
(Solved)
Which one of the following pairs consists only of green plants?
A. Moss and fern.
B. Toadstool and moss.
C. Algae and mould.
D. Mould and fern.
Date posted: July 29, 2019. Answers (1)
- 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. Answers (1)
- Pupils put garden soil in a glass bottle containing Water, shook it and allowed it to settle. Which one of the following could NOT be...(Solved)
Pupils put garden soil in a glass bottle containing Water, shook it and allowed it to settle. Which one of the following could NOT be determined by the experiment?
A. Presence of air.
B. Presence of organic matter.
C. Presence of inorganic matter.
D. Sizes of different soil particles.
Date posted: July 29, 2019. Answers (1)
- A plant has the adaptations below:
(i) Thin cuticle
(ii) Flexible stems
(iii) Air sacs
(iv) Waxy upper leaf surface.
The plant is likely to...(Solved)
A plant has the adaptations below:
(i) Thin cuticle
(ii) Flexible stems
(iii) Air sacs
(iv) Waxy upper leaf surface.
The plant is likely to be a
A. cactus.
B. water lily.
C. sorghum.
D. bean.
Date posted: July 29, 2019. Answers (1)
- The chart below shows a simple classification of animal feeds.
The feeds labeled P,Q and R can be best represented by(Solved)
The chart below shows a simple classification of animal feeds.
The feeds labeled P,Q and R can be best represented by
P Q R
A. Lucerne Napier Chick grass mash
B. Desmodium Calf pellets Salt licks
C. Sweet potatoes vines Sorghum Hay
D. Lucerne Desmodium Layers mash
Date posted: July 29, 2019. Answers (1)
- Which one of the following levers has the effort between the fulcrum and the load when in use? (Solved)
Which one of the following levers has the effort between the fulcrum and the load when in use?
A. Wheelbarrow.
B. Spade.
C. Crowbar.
D. Claw hammer.
Date posted: July 29, 2019. Answers (1)
- Which one of the following pairs consists only of sources of electricity?(Solved)
Which one of the following pairs consists only of sources of electricity?
A. Wind driven turbine and electric water heater.
B. Electric water heater and generator.
C. Generator and electric iron box.
D. Bicycle dynamo and wind driven turbine.
Date posted: July 29, 2019. Answers (1)
- Which one of the following nutritional deficiency diseases makes the face and limbs of a child to swell? (Solved)
Which one of the following nutritional deficiency diseases makes the face and limbs of a child to swell? A. Anaemia.
B. Marasmus.
C. Rickets.
D. Kwashiorkor.
Date posted: July 29, 2019. Answers (1)