The outermost and innermost wall layers of microsporangium in an
anther are respectively:
a. Endothecium and tapetum
b. Epidermis and endodermis
c. Epidermis and middle layer
d. Epidermis and tapetum
NCERT Class XII
Biology - Main Course Book
Chapter 2. Sexual Reproduction in Flowering Plants
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(d)Epidermis and tapetum is the answer.........
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