Question

Q. 10.
Match the pairs and rewrite :
Column II
Column 1
|(1) Mechanical means
|(2) Physiological device
|(3) Chemical device
|(4) Permanent Method
(a) Saheli
(b) Jellies
(c) Vasectomy
d) Diaphragm​

Answer 1

Answer:

answer is here

Explanation:

1- d

2- b

3- a

4- c

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Answer 2

The pairs are - (1)- d

                         (2)-  a

                         (3)- b

                          (4)-c

Explanation:

• (1)-d  :  Mechanical devices prevent coming closer of ovum and sperms and includes condoms, diaphragm , cervical caps and uterine devices.
• Diaphragm are made of rubber and are fitted in vagina of females and check the entry of sperms in uterus. These are reusable.
• (2) -a ; Physiological devices include oral pills like saheli these pills are combination of harmones like estogen and progesteron by taking these pills the level of these harmones get increases above the normal level  which inhibits the secretion of follicular stimulating harmione and estrogen  from anterior pituitary gland.
• Saheli contains a non steroidal preparation called centchroman.
• (3)-b ; Chemical devices include spermicidal tablets , jellies ,paste and creams are introduced in the vagina before coital activity these kills sperms .
• (4)-c; Vasectomy is a permanent method of birth control in which cutting and tighing of vas deferens is done surgically.