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i) Improves vision especially in dim light / night;
ii) Protects skin and cornea from dying and becoming scaly;
iii) Essential for normal growth in children and bone development;
sharon kalunda answered the question on May 23, 2019 at 13:50
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Date posted: May 23, 2019. Answers (1)
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Date posted: May 23, 2019. Answers (1)
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Name the class to which the tick belongs.
Date posted: May 23, 2019. Answers (1)
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b) State the function of the part labelled A.(Solved)
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b) State the function of the part labelled A.
Date posted: May 23, 2019. Answers (1)
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i) What was the aim of this...(Solved)
Study the photograph below. The specimen had been placed in adequate light at a horizontal position for one week.
i) What was the aim of this experiment?
ii) What would be the result if seedling is placed on a working klinostat?
iii) Explain how the results at the point shown by the arrow occurred.
Date posted: May 23, 2019. Answers (1)
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i) What was the aim of the experiment?
ii) Suggest a control experiment for...(Solved)
Study the photography below to enables you answer the questions that follow.
i) What was the aim of the experiment?
ii) Suggest a control experiment for this set up.
iii) Explain the mechanism of response shown in the photograph.
Date posted: May 23, 2019. Answers (1)
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a) i) Name the phylum to which the organism represented by the...(Solved)
Below are drawings of some organisms belonging to the same phylum. Examine them carefully.
a) i) Name the phylum to which the organism represented by the drawings belong.
ii) Give two reasons for answer in a(i) above.
b) Using the features in the order given below, construct a dichotomous key that can be used to identify the specimens.
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- Type of wings
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Date posted: May 23, 2019. Answers (1)
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i) Red blood cell.
ii) White blood cells(Solved)
Describe the adaptations of the following components of blood to its functions.
i) Red blood cell.
ii) White blood cells
Date posted: May 23, 2019. Answers (1)
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Date posted: May 23, 2019. Answers (1)
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a) What...(Solved)
In an experiment to investigate an aspect of digestion, two test tubes A and B were set up as shown in the diagram below.
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Date posted: May 23, 2019. Answers (1)
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a) Name the parts labelled R and S.
b) State THREE adaptation of part Q...(Solved)
The diagram below represents a mammalian embryo and associated maternal structures.
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Date posted: May 23, 2019. Answers (1)
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a) i) Name the group of organisms that would have the largest biomass
ii) Give...(Solved)
The diagram below represents a food web in a certain ecosystem.
a) i) Name the group of organisms that would have the largest biomass
ii) Give a reason for your answer in a(i) above.
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ii) Quaternary consumer
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Date posted: May 23, 2019. Answers (1)
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a) Explain what happens during corrective mechanism P.
b) Name two organs involved in...(Solved)
The diagram below shows how blood glucose in mammalian body is regulated.
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Date posted: May 23, 2019. Answers (1)
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with normal skin colour, genotype AA,...(Solved)
A woman with normal skin pigmentation was married to a man with normal skin pigmentation. They had two children, one
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a) State the couple's genotypes.
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Date posted: May 23, 2019. Answers (1)
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Date posted: May 23, 2019. Answers (1)
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i) Cerebrum
ii) Hypothalamus(Solved)
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i) Cerebrum
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Date posted: May 23, 2019. Answers (1)
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i) Carrying capacity
ii) Habitat
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iii) Community
Date posted: May 23, 2019. Answers (1)
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Date posted: May 23, 2019. Answers (1)
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Date posted: May 23, 2019. Answers (1)
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Date posted: May 23, 2019. Answers (1)