which is not true concerning alternation of generations.? a. it involves cyclic

Question

which is not true concerning alternation of generations.? a. it involves cyclic change between haploid and dipoid generations,.. b. the dipoid gen. is called the sporophyte gen. c. the haploid gen is called the gametophyte gen. d. none of the above are true or e. all of the above are true.

heterosporus plants may . a. give rise to archegonia and antheridia directly b. give rise to gametophytes which produce archegonia or antheridia. c. heterosporus plants may do both of the above or d. heteroperous plants do neither of the above.

mitosis can occur in ____ cells. a. haploid, b dipoid. c both or d neither

indepdendent cell growth and developlement can occur in ___ cells. a. haploid, b diploid, c both or d neither.

Explanation / Answer

1. All the given statements are true. Hence the answer is D. 2. The answer is B. Heterosporous plants produce male and female spores which give rise to male and female gametophytes. 3. The answer is C. Mitosis can occur in both haploid and diploid cells. 4. The answer is B. Independent cell growth and development can occur only in diploid cells. Haploid cells can grow and develop only when they fuse with another haploid cell.

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