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Biology [2 Mark Question Answer]

Reproductive System · ICSE STD 10 (ICSE - English Medium). 2 questions.

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[2 Mark Question Answer]

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Question 12 Marks
What happens to uterus if fertilization takes place? And what happens to uterus if fertilization does not take place?
Answer
If fertilization takes place then, the wall of uterus thickens and is supplied with blood capillaries.
If fertilization do not takes olace then, the endometrium breaks down and causes the discharge of blood and mucus.
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Question 22 Marks
The diagram alongside is the vertical section of female reproductive organs. Study the diagram and answer the questions that follow:
(i) Name the fully developed part of ovary containing the ovum.
(ii) Name the organ of the female body in which the foetus develops.
(iii) What is ovulation?
(iv) Which two hormones are secreted by ovary?
Answer
(i) Graafian follicle
(ii) Uterus
(iii) Ovulation is the process of releasing of egg from the ovary.
(iv) The hormones secreted by the ovary are: oestrogen and progesterone.
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[2 Mark Question Answer] - Biology STD 10 Questions - Vidyadip