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i) Oxygen gas
ii) dissociate in water to provide carbon (IV) oxide; which is necessary for photosynthesis;
sharon kalunda answered the question on March 21, 2019 at 12:30
- (a) Name the part of the eye in which the light sensitive cells are located.
(b) List the two types of sensory cells found in...(Solved)
(a) Name the part of the eye in which the light sensitive cells are located.
(b) List the two types of sensory cells found in the part named in (a) above.
Date posted: March 21, 2019. Answers (1)
- Which two classes of phylum arthropoda have their head fused with the thorax?(Solved)
Which two classes of phylum arthropoda have their head fused with the thorax?
Date posted: March 21, 2019. Answers (1)
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What biological knowledge or study is required in dealing with locusts that infest a maize crop.
Date posted: March 21, 2019. Answers (1)
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Describe an experiment you would carry out to demonstrate that xylem transports water
Date posted: March 19, 2019. Answers (1)
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What will happen in the stomach during digestion if mucus is absent?
Date posted: March 17, 2019. Answers (1)
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What determines the type or mode of placentation of a flower ovary?
Date posted: March 17, 2019. Answers (1)
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What is nitrogenous waste?
Date posted: March 16, 2019. Answers (1)
- (a)Explain the role of pituitary gland in reproduction.(ii)State one function of thyroxine.(Solved)
(a)Explain the role of pituitary gland in reproduction.
(b)State one function of thyroxine.
Date posted: March 15, 2019. Answers (1)
- Name the enzymes that complete carbohydrate digestion in the ileum of humans.(Solved)
Name the enzymes that complete carbohydrate digestion in the ileum of humans.
Date posted: March 15, 2019. Answers (1)
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Explain why the heart of a frog continues to beat after the head has been cut off.
Date posted: March 15, 2019. Answers (1)
- Name the two bones that form the ball and socket joint in the upper limb of a mammal.(Solved)
Name the two bones that form the ball and socket joint in the upper limb of a mammal.
Date posted: March 15, 2019. Answers (1)
- Explain why the leaf of a bean plant wilts in the afternoon on hot days but appear turgid early the following morning.(Solved)
Explain why the leaf of a bean plant wilts in the afternoon on hot days but appear turgid early the following morning.
Date posted: March 15, 2019. Answers (1)
- State three characteristics of class diplopoda.(Solved)
State three characteristics of class diplopoda.
Date posted: March 15, 2019. Answers (1)
- Distinguish between antigen and antibody.(Solved)
Distinguish between antigen and antibody.
Date posted: March 15, 2019. Answers (1)
- (a)State two symptoms of diabetes mellitus .(b)How is diabetes mellitus controlled?(Solved)
(a)State two symptoms of diabetes mellitus.
(b)How is diabetes mellitus controlled?
Date posted: March 15, 2019. Answers (1)
- Define the following terms:
(a)Secretion.
(b)Egestion.
(c)Excretion.(Solved)
Define the following terms:
(a)Secretion.
(b)Egestion.
(c)Excretion.
Date posted: March 15, 2019. Answers (1)
- (i)(a)What is self-pollination?
(b)list three characteristics of insect-pollinated flowers.(Solved)
(i)(a)What is self-pollination?
(b)List three characteristics of insect-pollinated flowers.
Date posted: March 15, 2019. Answers (1)
- (i)(a)State the relationship between the gene and DNA.
(ii)State the importance of a test-cross.(Solved)
(i)(a)State the relationship between the gene and DNA.
(ii)State the importance of a test-cross.
Date posted: March 15, 2019. Answers (1)
- State the functions of the human skeleton.(Solved)
State the functions of the human skeleton.
Date posted: March 15, 2019. Answers (1)
- State two physical ways of controlling the spread of malaria.(Solved)
State two physical ways of controlling the spread of malaria.
Date posted: March 15, 2019. Answers (1)