In angiosperms, the tapetum is responsible for providing nutrients to developing pollen grains. Which layer of the anther wall gives rise to the tapetum?
Q.22Medium
A plant exhibits heterospory with distinct megaspores and microspores. This characteristic is found in:
Q.23Medium
In a mature anther, what is the primary function of the fibrous thickening in the endothecium?
Q.24Medium
Which of the following statements about megagametogenesis (female gametophyte formation) is correct?
Q.25Medium
The synergids in the embryo sac are believed to have evolved for:
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Q.26Medium
Which type of placentation is found in the ovary of legumes and has ovules attached to the ventral suture?
Q.27Medium
Pollen grains of which plant show the longest viability period under room temperature?
Q.28Medium
Which statement about the generative cell in pollen is incorrect?
Q.29Medium
The phenomenon of protandry in flowers refers to:
Q.30Medium
In monocarpellary ovaries, marginal placentation occurs in plants like:
Q.31Medium
Which of the following is a correct statement about mature embryo sac organization in angiosperms?
