Question

மகரதத்துகளின் வளத்தை அல்லது மலட்டுத்தன்மையை கட்டுப்படுத்துவது எது plz don't give fake answer​

Answer 1

Answer:

in pollen grains the infertility is caused due to irregular germpores. where it is not completely open into the pollen grain. the quality of pollen grain is determined by the presence of sporopollenin and pollenkitt. pollenkitt is an oily layer covers the pollen grain from UV rays and sporopollenin is natural indestructible organic material it prevents all the damage to the pollen grain