Choose the correct answer among the alternatives given :
The accompanying diagram shows the uterine tubes of four women (P, Q, R and S). In which two women is fertilisation impossible at present?

P and Q

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Q and R

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R and S

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S and P

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Solution

The correct option is C R and S
Figure R is showing complete blockage of Fallopian tubes and figure S is showing tubectomy which is a surgical method of contraception in females. When both the Fallopian tubes are blocked or cut and tied, there will be no transport of gametes and thus no fertilisation.

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Similar questions

Choose the correct option with respect to the assertion and reason given.

Assertion [A]: Uterus of multiparous women are slightly larger than those of nulliparous women.

Reason [R]: The uterine walls are highly elastic as the uterus accommodates the growing foetus.

P (\to p), Q (\to q), R (\to r)

S (\to s)

3 \to p + 8 \to q = 6 \to r + 5 \to s

P Q

R S

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