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Explain how temperature affects the rate of photosynthesis.
Date posted:
October 27, 2017
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Name the nitrogenous waste product excreted by a fresh water fish.
Date posted:
October 27, 2017
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Explain why a person discharges urine more frequently when environmental temperatures are low than when they are high.
Date posted:
October 27, 2017
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Give two reasons why higher animals need an internal transport system
Date posted:
October 27, 2017
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Name one of the end products of the light reaction in photosynthesis.
Date posted:
October 27, 2017
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Explain the evidences of organic evolution in life forms
Date posted:
October 27, 2017
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A traffic police stretched his arm to the right. To cause this motion of the arm, explain the behavior of his biceps and triceps
Date posted:
October 27, 2017
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Explain why few organisms are found inhabiting higher altitude than lower altitude
Date posted:
October 27, 2017
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Explain how the iris alters the size of the pupil
Date posted:
October 27, 2017
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State the organism that causes the following diseases;
i) Trichonomiasis
ii) Bilharzia
Date posted:
October 27, 2017
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State two ways in which the ileum is structurally adapted to the absorption of digested food
Date posted:
October 27, 2017
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Name the site in mammalian lungs where gaseous exchange occurs
Date posted:
October 27, 2017
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Why are people with blood group O called universal donors?
Date posted:
October 27, 2017
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A new born baby has generally a heartbeat of 120 to 140 per minute while that of adult is 70 minutes on average. Account for the difference.
Date posted:
October 27, 2017
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State the functions of the following in plants
i) Piliferous layer
ii) Pericycle
iii) Root cap
Date posted:
October 27, 2017
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What is the effect of antidiuretic hormone in the human body
Date posted:
October 27, 2017
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Explain how light intensity would affect the distribution of fish in a pond
Date posted:
October 27, 2017
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Name the field of science that specializes in the study of chemical changes in an organism
Date posted:
October 27, 2017
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Name the blood vessels that links arterioles with venules?
Date posted:
October 25, 2017
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Three importance of preserving specimen
Date posted:
October 25, 2017
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In an experiment to show that chlorophyll is necessary for photosynthesis a variegated leaf was boiled in water for a few minutes, and then soaked in warm alcohol, rinsed in warm water and finally covered iodine solution
What is a variegated leaf?
Date posted:
October 24, 2017
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How can biologist use biology as a tool?
Date posted:
October 24, 2017
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How is a fruit formed?
Date posted:
October 23, 2017
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Explain briefly what happens during
(i)light stage of photosynthesis
(ii)Dark stage of photosynthesis
Date posted:
October 19, 2017
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The question revolves around reproduction and excretion, and the main physiological process that accompany the process
Date posted:
October 18, 2017
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What is ecosystem?
Date posted:
October 16, 2017
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Explain the uptake of water and mineral salts from the roots to the leaves of a flowering plant.
Date posted:
October 16, 2017
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What would happen if a person produced less anti-diuretic hormone
Date posted:
October 16, 2017
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Nitrogen in the atmosphere cannot be directly utilized by plants. State two ways by which this Nitrogen is made available for plant use
Date posted:
October 16, 2017
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Explain how water is gained from the soil by root hairs in plants
Date posted:
October 16, 2017