question_answer

What is the male gametophyte of an angiospermic plant? Draw its structure by labelling its four major parts.

Or

What are the disadvantages of vegetative reproduction?

Answer:

Pollen grain is the male gametophyte of an angiosperm plant. Its diagram is given below

Or

Disadvantages of vegetative reproduction are as follows

(i) The vegetative propagules get easily decayed and are prone to microbial infestations.

(ii) There is no variation in the progeny produced (they are clones of parents).

(iii) Dispersal of vegetative propagules does not occur, therefore it causes overcrowding.