Sterility/lack of spermatogenesis;failure of secondary sexual characteristics;
johnson mwenjera answered the question on February 11, 2018 at 16:19
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What is the study of fossils called?
Date posted: February 11, 2018. Answers (1)
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Date posted: February 11, 2018. Answers (1)
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Describe the internal structure of the heart.
Date posted: February 11, 2018. Answers (1)
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b) What is serum?
(Solved)
a) Name the process that results to formation of tissue fluid.
b) What is serum?
Date posted: February 10, 2018. Answers (1)
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State the structural adaptations of veins to their function.
Date posted: February 10, 2018. Answers (1)
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State two structural adaptations of veins to their function.
Date posted: February 10, 2018. Answers (1)
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a)Name two cardiovascular diseases.
(b)If the nerve supply to the heart of a mammal is severed the rhythmic heart contraction and relaxation will go on and heart continues to beat. Explain why.
Date posted: February 10, 2018. Answers (1)
- Name the respiratory sites of the following:
(i) Fish
(ii) Insects (Solved)
Name the respiratory sites of the following:
(i) Fish
(ii) Insects
Date posted: February 10, 2018. Answers (1)
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Differentiate between gaseous exchange and ventilation.
Date posted: February 10, 2018. Answers (1)
- State one adaptation of the following parts of mammalian eye.
(i) Fovea centralis.
(ii) Sclera.
(iii) Cilliary body.(Solved)
State one adaptation of the following parts of mammalian eye.
(i) Fovea centralis.
(ii) Sclera.
(iii) Cilliary body.
Date posted: February 10, 2018. Answers (1)
- a)Define the term natural selection.
(b)Name three evidence of organic evolution. (Solved)
a)Define the term natural selection.
(b)Name three evidence of organic evolution.
Date posted: February 10, 2018. Answers (1)
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List down the roles of lipids in the body.
Date posted: February 10, 2018. Answers (1)
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Date posted: February 10, 2018. Answers (1)
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Name three animals in phylum chordata?
Date posted: February 9, 2018. Answers (1)
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Explain the physical factors that mediate natural immunity.
Date posted: February 8, 2018. Answers (1)
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Date posted: February 8, 2018. Answers (1)
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Name three supportive tissues in plants.
Date posted: February 6, 2018. Answers (1)
- a) Distinguish between homologous and analogous structure.
b)Explain the term continental drift as used in evolution.(Solved)
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b)Explain the term continental drift as used in evolution.
Date posted: February 6, 2018. Answers (1)
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(b) Name three disorders resulting from gene mutations. (Solved)
(a) Define polyploidy.
(b) Name three disorders resulting from gene mutations.
Date posted: February 6, 2018. Answers (1)
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State two adaptations of Guard cell to its function in plant tissue.
Date posted: February 6, 2018. Answers (1)