Page 1 - 3.Home_Assignment_II_(Worksheet_2)_Reproductive_health

SAI International School
Subject- Biology, Class X
Chapter- How do Organisms Reproduce?
Subtopic- Reproductive health
Module-22
Home Assignment- II
Worksheet-2

Q.1 The success of birth control programs in controlling population growth is
dependent on –
(a) Use of contraceptives
(b) Tubectomy
(c) Vasectomy
(d) Acceptability of the above by the people

Q.2 Cessation of cycle of events in ovary and uterus around the age of 50 years
in human female and stoppage of menstrual flow is termed as
(a) Menarch
(b) Placentation
(c) Menopause
(d) Menstruation

Q.3 Which among the following is not the function of testes at puberty?
(i) Formation of germ cells
(ii) Secretion of testosterone
(iii) Development of placenta
(iv) Secretion of estrogen
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)

DIRECTION : Question nos. 4 and 5 below consist of two statements -
Assertion (A) and Reason (R). Answer these questions selecting the
appropriate option given below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both Assertion and Reason are false.

Q.4 Assertion : Surgical method blocks gamete transport and thereby prevents
conception.
Reason: Surgical method used in males for this purpose is called vasectomy.

Q.5 Assertion : Failure of testes to descend into the scrotum during development
causes sterility in man.
Reason: Higher temperature in the abdomen that in the scrotum is not
suitable for sperm development.

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