CLASS-12 BIOLOGY QUESTION-12

CHAPTER-1 SEXUAL REPRODUCATION IN FLOWERING PLANTS. Q. 12 Why do you think the zygote is dormant for some time in a fertilized ovule? Answer: • The fusion of male gamete and nucleus of the egg cell leads to formation of zygote. • The zygote remains dormant for some time until […]

CLASS-12 BIOLOGY QUESTION-6

CHAPTER-1 SEXUAL REPRODUCATION IN FLOWERING PLANTS. Q. 6 With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte. Answer: i) The megaspore mother cell in flowering plants undergoes reduction division to form 4 haploid megaspores. ii) Out of these 4 megaspores, 3 degenerate and the remaining one […]