B) Small aperture where no integuments are present
C) Small pore needed for seed existence
D) All of the above
Explanation
It is very essential for seed existence because through this pore the water goes inside and germination takes place and gaseous exchange take place through that pores
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.