Question

The wall layers which are common for four pollen sacs of an anther are ______ 

विकल्प

• Epidermis and Endothecium

• Endothecium and tapetum

• Middle layers and tapetum

• Epidermis and tapetum

Answer 1

The wall layers which are common for four pollen sacs of an anther are Endothecium and tapetum.

Explanation:

The given diagram is an embryo sac with 8 celled stages. Egg apparatus with x and y as haploid Synergids and a haploid egg in centre. Z representing antipodal cells which are haploid. polar nuclei present in centre.