NEETBotanyPlant Kingdom
Select the incorrect statements for the given figure, choose the correct option: (i)The gymnosperms (gymnas : naked, sperma : seeds) are plants in which the ovules are not enclosed by any ovary wall and remain exposed, both before and after fertilisation. (ii)The leaves in gymnosperms are well-adapted to withstand extremes of temperature, humidity and wind. (iii)The gymnosperms are heterosporous; they produce diploid
Options
- A(ii),(iii),(iv),(v)
- B(i),(iii),(iv),(viii)
- C(i),(iii),(iv),(vii)
- D(ii),(iii),(v),(vi),
Correct answer
C. (i),(iii),(iv),(vii)
Step-by-step solution
The leaves in gymnosperms are well-adapted to withstand extremes of temperature, humidity and wind. The gymnosperms are heterosporous; they produce haploid microspores and megaspores. The microspores develop into a male gametophytic generation which is highly reduced and is confined to only a limited number of cells. This reduced gametophyte is called a pollen grain. The megaspore mother cell is differentiated from one of the cells of the nucellus. The nucellus is protected by envelopes and the composite structure