The correct answer is (C) Water level in the jar increased.
When the burning was going on, it used up oxygen gas leaving a vacuum which the water in the tray raised to occupy.
sharon kalunda answered the question on July 29, 2019 at 08:27
- 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)
- The diagram below represents the proportion of gases in air.
Which proportion represents the gas used in seed germination?(Solved)
The diagram below represents the proportion of gases in air.
Which proportion represents the gas used in seed germination?
A.J
B.K
C.L
D.M
Date posted: July 29, 2019. Answers (1)
- Which one of the following pairs of plants stores food in the root?(Solved)
Which one of the following pairs of plants stores food in the root?
A. Carrots and Irish potatoes.
B. Irish potatoes and sweet potatoes.
C. Sweet potatoes and cassava.
D. Cassava and onions.
Date posted: July 29, 2019. Answers (1)
- The diagram below demonstrates an experiment done by pupils to show a certain type of soil erosion.
The type of soil erosion demonstrated by the...(Solved)
The diagram below demonstrates an experiment done by pupils to show a certain type of soil erosion.
The type of soil erosion demonstrated by the pupils was
A. Splash erosion
B. Gulley erosion
C. Rill erosion
D. Sheet erosion.
Date posted: July 29, 2019. Answers (1)
- Which of the following is NOT advisable for a patient suffering from tuberculosis?(Solved)
Which of the following is NOT advisable for a patient suffering from tuberculosis?
A. Ventilated housing.
B. Vaccination against the disease.
C. Isolation from healthy people.
D. Early treatment with antibiotics.
Date posted: July 29, 2019. Answers (1)
- The diagram below shows a certain animal parasite.
The parasite belongs to the same group as (Solved)
The diagram below shows a certain animal parasite.
The parasite belongs to the same group as
A. Tapeworm and liver fluke;
B. Roundworm and flea;
C. Tsetse fly and tapeworm;
D. Flea and tsetse fly.
Date posted: July 29, 2019. Answers (1)
- Which one of the following parts of the human digestive system is correctly matched to its function?(Solved)
Which one of the following parts of the human digestive system is correctly matched to its function?
ORGAN FUNCTION
A. Mouth Digests proteins.
B. Stomach Secretes digestive juice.
C. Small intestines Absorbs water.
D. Large intestines Stores digested food.
Date posted: July 29, 2019. Answers (1)
- The table below shows the results of an investigation done by pupils on floating and sinking.
The pupil who recorded the correct results was(Solved)
The table below shows the results of an investigation done by pupils on floating and sinking.
The pupil who recorded the correct results was
A.E
B.F
C.G
D.H
Date posted: July 29, 2019. Answers (1)
- Which one of the following is NOT a reason for HIV testing?(Solved)
Which one of the following is NOT a reason for HIV testing?
A. To know the number of people infected.
B. For future planning.
C. To be keen to protect yourself and others.
D. In order to avoid infected individuals.
Date posted: July 29, 2019. Answers (1)