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Question

In mammals that are seasonal breeders, females are receptive only once a year. This is called

A
Follicular cycle
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B
oestrous cycle
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C
Menstrual cycle
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D
Luteal cycle
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Solution

The correct option is B oestrous cycle
The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase. In all non-primate mammals such cyclical changes during the reproductive phase, regardless of whether they are seasonal breeders or not, is called oestrus cycle.

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