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Question
Study the diagram given below and then answer the questions that follow:
(i) Name the part labeled A. Name any two hormones produced by the part labeled A.
(ii) What happens to the part labeled B.
(1) if fertilization takes place?
(2) If fertilization does not take place?
(iii) Where does fertilization occur?
(iv) Draw a neat diagram of the human sperm as seen under high magnification and label the following parts.
(1) Acrosome
(2) Mitochondria
Solution
(i) A is ovary—Hormones are estrogen and progesterone.
(ii)
(1) If fertilization takes place, after about 7 days of fertilization the embryo reaches the uterus.
(2) If there is no fertilization uterine lining is shed off with blood flow.
(iii) Fallopian tube.
(iv)
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RELATED QUESTIONS
Give appropriate term of the following:
The attachment of developing zygote (blastocyst) on the uterine wall.
Where does fertilization occur?
Name two essential structures which take part in fertilization.
Give Technical Term:
Rupture of the follicle and release of the ovum from the ovary.
Complete the following sentences with appropriate word:
___________ hormones are secreted by the interstitial cells.
Complete the following sentences with appropriate word:
Fertilization of the human egg by the sperm normally occurs in the_______
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sperm is a single cell.
What would be the effect if meiosis did not occur in nature?
Sperms undergo the following changes in the epididymis EXCEPT ______
Match the pair:
'A' | 'B' | ||
(1) | Male | (a) | 44 + XX |
(b) | 44 + XY | ||
(c) | 44 + YY |