Q.
The following is the diagram of TS of anther. Identify the parts labelled as A,B and C.
A) A-Connective, B-Endothecium, C-Pollen grain
B) A- Endothecium, B- Connective, C-Pollen grain,
C) A-Pollen grain, B- Connective, C-Endothecium,
D) A- Endothecium, B-Pollen grain, C-Connective,
Explanation
Pollen grains which contribute the male gametes are formed within an anther. A typical anther is tetrasporangiate. It has a column of sterile tissues called connective. Mature anther wall comprises an epidermis followed by endothecium, 2 or 3 middle layer and single layered tapetum.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.