(i) Pollen grains represents immatured male gametophyte. |
(ii) In angiosperms, partially developed male gametophytes are pollinated. |
(iii) Generative cell is siphonogamous while vegetative cell is spermatogenous. |
(iv) Formation and differentiation of pollen grains is called microsporogenesis. |
(v) Pollen grains of some plants produce seve allergy and respiratory or bronchial diseases. |
(vi) Pollen grains are poor in nutrients. |
A) (i) and (vi)
B) (iii) and (vi)
C) (iv) and (v)
D) (v) and (vi)
Correct Answer: B
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