(a) (i) List five excretory organs found in living organisms.
(ii) Give one example of an organism in which each type is found.(b) (i) state two ways in which the excretory organs of earthworm is similar to that of mamma…
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1991
(a) (i) List three components of an ecosystem (ii) Describe briefly the interaction among the components named in (a) (i).(b) List three major steps that are usually taken in studying plants and animals in community.(c)…
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1991
(a) Make a labelled diagram to show the internal structure of the mammalian ear.(b) Describe the mechanism of hearing in mammals.(c) State two ways of caring for the ear.
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1991
(a)(i) Explain briefly the cell theory.
(ii) Name two scientists who contributed to the development of the cell theory.(b) Make a large labelled diagram of a typical plant cell.(c) List three ways in which a typical pla…
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1991
Which of the following statement is correct about diffusion?
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1991
The mechanism of gaseous exchange in living organisms is essentially by
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1991
The organelle which eliminate water from the body of protozoa is
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1991
The cell is a functional unit of living organisms because
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1991
The pulmonary vein carries
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1991
Which of the following tissues is not found in the stem and root of monocotyledons?
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1991
The following are functions of the skeleton except
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1991
The process of anearobic respiration of yeast in sugar solution is known as
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1991
Infective hepatitis is a disease of the
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1991
The following are the activities of the liver except
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1991
Kidney stone is a disease of the Kidney that result in the
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1991
Which of the following parts of the mammalian skin is directly is directly involved in excretion?
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1991
The upper part of the trachea in mammals is called
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1991
The human skin is regarded as a sense organ because it
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1991
If a germinating seed is attached horizontally on a revolving klinostat, what will be the effect of the seedling after three days? The