Question

HELLO...✌✌ HERE IS MY QUESTION WHY IT IS NECESSARY TO KEEP POLLEN GRAIN AT -196 DEGREE IN LIQUID NITROGEN AT POLLEN BANKS

Answer 1

i hope it will help you

Answer 2

as the process of reproduction human egg os also fertiluze at also some temperature in in body or in testtube so plleon grain os also a egg which entered in pollentube so as thre process in humans when egg not fertilizedin the body so we take the help of testtube process as in plannts also we take the help of the pollen banks which fertilize the pollen grain by giving 192 or 196 temp.