Class 12th Biology 2017 Set1 Outside Delhi Board Paper Solution
Question 24
A proper understanding of menstrual cycle can help immensely in family planning. Do you agree with the statement ? Provide reasons for your answer.
Answer
Yes, a proper understanding of menstrual cycle can help immensely in family planning. As day 10 to 17 of the menstrual cycle is called as fertile period of human female. If coitus done during this period increases the chances of conception but coitus is abstained in this period, pregnancy can be prevented.
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(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
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