Question

Endothecium and tapetum in anther are derived from

• A. Primary sporogenous layer
• B. Primary parietal layer
• C. Exine layer
• D. None of the above

Answer 1

Answer: (B)

Primary parietal layer

The pollen grains are mainly developed in the anther. The primary parietal layer divides to form two secondary parietal layers outer layer forms the endothecium and the inner one forms the nutritive tapetum layer. The tapetum provides nutrition and development to pollen grains.

So, the correct answer is option B.