Which among the following statements are true for unisexual flowers?

(i) they possess both stamen and pistil

(ii) they possess either stamen or pistil

(iii) they exhibit cross-pollination

(iv) unisexual flowers possessing only stamens cannot produce fruits

Length of pollen tube depends on the distance between:

Which of the following statements are true for flowers?

(i) Flowers are always bisexual

(ii) They are the sexual reproductive organs

(iii) They are produced in all groups of plants

(iv) After fertilization they give rise to fruits

Characters transmitted from parents to offspring are present in:

The ability of a cell to divide into several cells during reproduction in Plasmodium is called: