Q. Which one of the following pairs of plant structures has haploid number of chromosomes?
A) Egg nucleus and secondary nucleus
B) Megaspore mother cell and antipodal cells
C) Egg cell and antipodal cells
D) Nucellus and antipodal cells
Explanation
[Solution from source] The egg and the antipodal cells both belong to the haploid female gametophyte (embryo sac). The secondary nucleus is diploid (two polar nuclei fused), and the megaspore mother cell and nucellus are diploid sporophytic tissue. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.