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State two advantages of maintaining a constant body temperature in mammals.
Date posted:
March 12, 2019
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What are the factors limiting primary productivity in an aquatic ecosystem?
Date posted:
March 12, 2019
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What is the effect of gibberellins on shoots of plants?
Date posted:
March 12, 2019
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State the major distinguishing feature of a cervical vertebra.
Date posted:
March 12, 2019
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How does xylem tracheid differ from xylem vessel?
Date posted:
March 12, 2019
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Explain how the various specialized cells are modified to carry out their functions in plants and animals
Date posted:
March 12, 2019
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Explain the various ways in which a typical cell is adapted to its functions
Date posted:
March 12, 2019
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State how the epithelial tissue is adapted to its function
Date posted:
March 10, 2019
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State two characteristics of division Bryophyta.
Date posted:
March 10, 2019
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Explain why bile is an excretory product as well as a digestive secretion.
Date posted:
March 10, 2019
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State two ways of controlling schistosomiasis.
Date posted:
March 10, 2019
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Stare three external characteristics that distinguish mammals from other vertebrates.
Date posted:
March 10, 2019
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What is meant by 'survival of the fittest'?
Date posted:
March 10, 2019
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State the structures for gaseous exchange in the following organisms:
(i)Amoeba.
(ii)Butterfly.
Date posted:
March 10, 2019
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Distinguish between excretion and homeostasis.
Date posted:
March 10, 2019
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The population of fish in a pond was estimated using capture-recapture method.
(i)What equipment was used?
(ii)Describe the procedure used in the experiment.
(iii)State the formula for calculating the total population of fish in the pond.
Date posted:
March 10, 2019
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(a)(i)State two reasons why clot formation is important,when a blood vessel is cut.
(ii)Explain what happens if a clot forms in a blood vessel in the head.
(b)State two components of the diet that are needed in blood clotting.
(c)Name two proteins that are involved in clot formation.
Date posted:
March 10, 2019
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Elaborate on how soil nutrient composition affects photosynthesis?
Pay attention to how soil nutrient composition with regard to macro and micro nutrients affects photosynthesis, other factors remaining constant.
Date posted:
March 9, 2019
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State the function of the choroid in the human eye.
Date posted:
March 8, 2019
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State two characteristics of living things that are observable in both plants and animals.
Date posted:
March 8, 2019
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Name three structures observed in an animal cell using a light microscope.
Date posted:
March 8, 2019
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State three harmful effects of alcohol (ethanol) to human health.
Date posted:
March 8, 2019
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Name two dental diseases.
Date posted:
March 8, 2019
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State the role of the following hormones.
(i)Follicle stimulating hormone.
(ii)Progesterone.
Date posted:
March 8, 2019
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State the function of pleural fluid during breathing in humans.
Date posted:
March 8, 2019
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What is the role of fungi in an ecosystem?
Date posted:
March 8, 2019
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What causes diabetes insipidus?
Date posted:
March 8, 2019
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Name the regions of the mammalian kidney.
Date posted:
March 8, 2019
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(i)Distinguish between passive and active immunity.
(ii)What is Acquired Immune Deficiency Syndrome (AIDS)?
Date posted:
March 8, 2019
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Give two reasons why water lily have stomata on the upper epidermis only.
Date posted:
March 6, 2019