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Standard XII
Biology
Question

Given below are four methods (A-D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follow:
Method Mode of Action
(1) The pill (A) Prevents sperms
reaching cervix
(2) Condom (B) Prevents implantation
(3) Vasectomy (C) Prevents ovulation
(4) Copper-T (D) Semen contains no sperms
  1. 1 = (C), 2 = (D), 3 = (A), 4 = (B)
  2. 1 = (B), 2 = (C), 3 = (A), 4 = (D)
  3. 1 = (C), 2 = (A), 3 = (D), 4 = (B)
  4. 1 = (D), 2 = (A), 3 = (B), 4 = (C)

A
1 = (C), 2 = (D), 3 = (A), 4 = (B)
B
1 = (D), 2 = (A), 3 = (B), 4 = (C)
C
1 = (B), 2 = (C), 3 = (A), 4 = (D)
D
1 = (C), 2 = (A), 3 = (D), 4 = (B)
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Solution
Verified by Toppr

Method mode of action
(1) The pill (c) Prevents ovulation
(2) Condom (a) Prevents sperms reaching cervix
(3) Vasectomy (d) Semen contains no sperms
(4) Copper-T (b) Prevents implantation
So, the correct option is ' 1 = ( c ), 2 = ( a ), 3 = ( d ), 4 = ( b ) '

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Q1
Given below are four methods (A-D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follow:
Method Mode of Action
(1) The pill (A) Prevents sperms
reaching cervix
(2) Condom (B) Prevents implantation
(3) Vasectomy (C) Prevents ovulation
(4) Copper-T (D) Semen contains no sperms
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Q2
Given below are four methods (A-D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follow:
MethodMode of Action(1)The pillPrevents sperms reaching cervix(2)CondomPrevents implantation(3)VasectomyPrevents ovulation(4)Copper−TSemen contains no sperms

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Q3
Given are four methods (1−4) and their modes of action (a-d) in achieving contraception. Select their correct matching from the four options that follows.
MethodMode of Action
(1) The pill(a) Prevents sperms reaching cervix
(2) Condom(b) Prevents implantation
(3) Vasectomy(c) Prevents ovulation
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Q4
Given below are four methods of contraception (A)-(D) and their modes of action (i)-(iv) in achieving contraception .Select their correct matching form the four options that follow.
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Q5

Given below are four methods (A-D) and their mode of action (1-4) in achieving contraception. Select the correct pair from the options given below:

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