Menstruation occurs

Both (1) and (2)

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3. If ovum is unfertilised

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2. If ovum gets fertilised

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1. In every 10 days

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Solution

The correct option is B
3. If ovum is unfertilised

If ovum is unfertilised, menstruation occurs

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Similar questions

Q. Study the graph carefully and correlate the hormone levels on
(i) 1-5 days
(ii) 12-14 days
(iii) 25-28 days (if the ovum is not fertilised).

Read the following statements and mark the correct option.
Statement-1 : Lack of menstruation may be indicative of pregnancy.
Statement-2 : Menstruation only occurs if the released ovum is fertilized.

Q. If mammalian ovum fails to get fertilised, which one of the following is unlikely?

Q. (a) Where in the human body does an ovum get fertilised ?
(b) Where does a fertilised ovum develop into a baby in the human body ?

Q. Read the graph given below and correlated the uterine events that take place according to the hormonal levels on
(i)

6 - 15

days
(ii)

16 - 25

days
(iii)

26 - 28

days (if the ovum is not fertilised)

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Menstruation occurs

The correct option is B 3. If ovum is unfertilised If ovum is unfertilised, menstruation occurs

The correct option is B
3. If ovum is unfertilised

If ovum is unfertilised, menstruation occurs