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List three applications of genetics
Date posted:
February 19, 2018
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State three causes of variation in living things.
Date posted:
February 19, 2018
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State the significance of sunken stomata in plants.
Date posted:
February 19, 2018
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Highlight three importance of transpiration in plants
Date posted:
February 19, 2018
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State three differences between male and female gametes
Date posted:
February 19, 2018
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(a) Name two divisions in the kingdom Plantae that show alternation of generation
(b)Name the phylum whose member possesses a notochord.
Date posted:
February 19, 2018
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(a) What is homeostasis? (b) Name three processes in the human body in which homeostasis is involved.
Date posted:
February 19, 2018
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A patient was given a drug which caused afferent arteriole entering the glomerulus to dilate while efferent arteriole constricted. Explain the effect the drug had to the amount of urine produced.
Date posted:
February 19, 2018
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Distinguish between analogous and homologous structures
Date posted:
February 19, 2018
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How is the rate of diffusion affected by:
(i) Temperature
(ii) Concentration…
(iii) Surface area to volume ratio
Date posted:
February 19, 2018
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Distinguish between hypertonic and hypotonic solutions.
Date posted:
February 19, 2018
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Highlights two similarities between mitosis and meiosis
Date posted:
February 19, 2018
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(a)State the reason why scientific names are given in Latin.
(b) The length of a beetle is 2cm, when the beetle is magnified using a hand lens the length of the drawing is 6 cm workout the magnification.
Date posted:
February 19, 2018
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Distinguish between growth and development in living organism.
Date posted:
February 19, 2018
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Name two structures in the mammalian ear that are used in body balance and posture
Date posted:
February 19, 2018
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(a) Name an end product of photosynthesis that may be found in the intercellular air spaces of a leaf
(b) State what happens to the product named in (a) above
Date posted:
February 19, 2018
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Antibiotics are used to treat people with bacterial infections. Explain the danger of the widespread use of antibiotics to treat disease
Date posted:
February 19, 2018
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What is the name given to the process in which excess amino acids are broken in the liver
Date posted:
February 19, 2018
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Explain what would happen to an amoeba when placed in distilled water
Date posted:
February 19, 2018
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How would you test that someone is a victim of diabetes mellitus in the laboratory?
Date posted:
February 15, 2018
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Why are people with blood group O referred to as universal donors?
Date posted:
February 15, 2018
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State the change that occurs in arrector pili muscles in the human skin when the body temperature falls below 37 degrees
Date posted:
February 15, 2018
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A boy curved initials of his name in the bark of young tree at a height of 2 meters above the ground. Three years later the initials were found at the same height, although the tree had grown two metres taller. Explain the observations.
Date posted:
February 15, 2018
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What is visual acuity?
Date posted:
February 15, 2018
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Explain how resistance to drugs by parasites occur
Date posted:
February 15, 2018
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Explain three characteristics which make buccal cavity of a frog suitable for gaseous exchange
Date posted:
February 15, 2018
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Describe the environmental impact caused by eutrophication
Date posted:
February 15, 2018
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State the functions of the following laboratory equipment in ecological study
(a)Pooter
(b) Forceps
(c) Sweep nets
Date posted:
February 15, 2018
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What determines whether a human zygote develops into a boy or a girl?
Date posted:
February 15, 2018
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Name the causal organism of
(a) Gonorrhea
(b) Trichomoniasis
Date posted:
February 15, 2018