Q. Which of the following indicates correct names of A, B, C and D regions of the given diagram?

A) A– Male gamete B – Antipodals C – Egg cell D – Pollen tube
B) A –synergids B – Secondary nucleus C – Egg apparatus D – Integuments
C) A – Antipodals B – Male gametes C – Zygote D – Micropyle
D) A – Secondary nucleus B – Synergids C – Egg cell D – Integuments
Explanation

A – Male gamete; B- Antipodal cells; C – Egg cell; D-Pollen tube. In angiosperms, the pollen tube carries two male gametes, one fuses with egg to produce zygote, while second fuses with secondary nucleus to produce triploid primary endosperm nucleus.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.