(a) The placenta takes over the role of the ovary of producing the hormone progesterone which maintains pregnancy.
(b) - Production of male gametes/ spermatozoa
- Production of Androgen i.e. testosterone hormone which influences secondary sexual characteristics
johnmulu answered the question on May 9, 2017 at 10:30
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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(a) (i) Identify the stage of cell division
(ii) Give three reasons for your answer in (a) (i) above
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(c) State the significance of this stage of cell division in living organisms.
Date posted: May 9, 2017. Answers (1)
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(a) Name the part labeled S.
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(c) State the role of the parts labeled R.
Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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(a) What type of cell division takes place at Z.
(b) Where in the body of a female does process Z occur.
(c) Name the process that leads to addition or loss of one or more chromosomes
(d) Name the process that leads to addition or loss of one or more chromosomes
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Fig 1 and 2 below represent reproductive organ of plants and an animal respectively.
(a) Which letters in Fig. 1 and Fig. 2 represents the organs that produce female gametes?
Fig. 1:...
Fig. 2...
(b) What is the function of the structure labelled S?
(c) Name the structure labeled W.
(d) Which letters in Fig. 1 and Fig. 2 represents the structures where fertilization takes place?
(e) Which letter in Fig. 1 represents the structure where male gametes are produced?
Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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The diagram below illustrates the structure of the female part of a flower.
(a) Name the part labelled W.
(b) Describe what happens when pollen tubes enters the structure labelled V
(c) What do structures labelled R and T develop into after fertilization?
Date posted: May 9, 2017. Answers (1)
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(a) (i) Name the type of cell division illustrated.
(ii) Give a reason for your answer in (a) (i) above.
(b)(i) Name the stage of cell division labelled K.
(ii) Give a reason for your answer in (b) (i) above.
Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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(a) Name the part labeled B.
(b) Explain the role of the parts labeled A.
Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)
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Date posted: May 9, 2017. Answers (1)