MCQ_SINGLE

Assertion : If pollen mother cells has 42 chromosomes, the pollen has only 21 chromosomes. Reason : Pollens are formed after meiosis in pollen mother cell.

MCQ_SINGLE

Assertion : Endosperm is a nutritive tissue and it is triploid. Reason : Endosperm is formed by fusion of secondary nucleus to second male gamete. It is used by developing embryo.

MCQ_SINGLE

Double fertilisation is exhibited by

MCQ_SINGLE

The ovule of an angiosperm is technically equivalent to

MCQ_SINGLE

Seed formation without fertilisation in flowering plants involves the process of

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