in bright light/high intensity, the circular muscles contract and radial muscles relax, the pupils becomes smaller, in dim light/ low light intensity circular muscles relax, and radial muscles contract and the pupil becomes bigger/wider
lydiajane74 answered the question on October 27, 2017 at 09:39
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State the organism that causes the following diseases (i) Trichonomiasis (ii) Bilharzia
(Solved)
State the organism that causes the following diseases;
i) Trichonomiasis
ii) Bilharzia
Date posted:
October 27, 2017
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Answers (1)
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State two ways in which the ileum is structurally adapted to the absorption of digested food
(Solved)
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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Answers (1)
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Name the site in mammalian lungs where gaseous exchange occurs
(Solved)
Name the site in mammalian lungs where gaseous exchange occurs
Date posted:
October 27, 2017
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Answers (1)
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Why are people with blood group O called universal donors?
(Solved)
Why are people with blood group O called universal donors?
Date posted:
October 27, 2017
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Answers (1)
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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...
(Solved)
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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Answers (1)
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State the functions of the following in plants (i) Piliferous layer (ii) Pericycle (iii) Root cap
(Solved)
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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Answers (1)
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What is the effect of antidiuretic hormone in the human body
(Solved)
What is the effect of antidiuretic hormone in the human body
Date posted:
October 27, 2017
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Answers (1)
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Explain how light intensity would affect the distribution of fish in a pond
(Solved)
Explain how light intensity would affect the distribution of fish in a pond
Date posted:
October 27, 2017
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Answers (1)
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Name the field of science that specializes in the study of chemical changes in an organism
(Solved)
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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Answers (1)
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Name the blood vessels that links arterioles with venules?
(Solved)
Name the blood vessels that links arterioles with venules?
Date posted:
October 25, 2017
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Answers (2)
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Three importance of preserving specimen
(Solved)
Three importance of preserving specimen
Date posted:
October 25, 2017
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Answers (1)
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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...
(Solved)
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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Answers (1)
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How can biologist use biology as a tool?
(Solved)
How can biologist use biology as a tool?
Date posted:
October 24, 2017
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Answers (1)
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How is a fruit formed?
(Solved)
How is a fruit formed?
Date posted:
October 23, 2017
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Answers (1)
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Explain briefly what happens during
(i)light stage of photosynthesis
(ii)Dark stage of photosynthesis
(Solved)
Explain briefly what happens during
(i)light stage of photosynthesis
(ii)Dark stage of photosynthesis
Date posted:
October 19, 2017
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Answers (1)
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Explain why a pregnant woman urinates frequently, and less urine.
(Solved)
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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Answers (1)
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What is ecosystem?
(Solved)
What is ecosystem?
Date posted:
October 16, 2017
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Answers (1)
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Explain the uptake of water and mineral salts from the roots to the leaves of a flowering plant.
(Solved)
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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Answers (1)
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What would happen if a person produced less anti-diuretic hormone
(Solved)
What would happen if a person produced less anti-diuretic hormone
Date posted:
October 16, 2017
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Answers (1)
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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
(Solved)
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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Answers (1)