Question

plz help me in these questions

Answer 1

1. insects are attracted towards flowers because of their fragrance aka aroma , color , nectar etc.

so the ones counting on insects for their pollination have special attractive flowers with sweet aroma and bright colors.

∴ option D = all is correct .

2. a mature pollen has both exine (the outermost hard )and intine (inner one) covers .

so option B = both is correct .

3. embryo sac consists of 3 antipodal nuclei + 2 polar nuclei + 2 synergids + 1 egg cell nucleus . all adding to total of 8 nuclei .

so option D= 8 is correct

4. triple fusion term is coined after the process of fusion of 3 nuclei

option B = 3 is correct

5. dichogamy is the condition when anthers and stigma ripen/ mature at different times .

option c is correct