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प्रश्न
What is sexual reproduction? What are its essential features?
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उत्तर
It is a type of reproduction usually found in higher animals and plants where male and female sexes produce male and female heterogametes separately, which on fertilisation produce a zygote.
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संबंधित प्रश्न
Write the function of the following part in a human female reproductive system:
Fallopian tube
A single highly coiled tube where sperms are stored gets concentrated, and mature is known as ______
List two changes observed in girls at the time of puberty.
Fill in the blank.
In humans, ------ chromosome is responsible for maleness.
Pollen grains are formed by ______ division in locules of anthers.
Rewrite the following terms in a correct and logical sequence:
The luteal phase, follicular phase, menstrual phase, ovulatory phase.
Differentiate
Urinogenital system and Urinary system.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Women after the age of 45 years normally cannot produce children.
Cryptorchidism is a condition where ______.
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Female gonad : Ovaries :: Male gonad : ______.
