The integument of Cycas ovule is hard on the account of

Why do the integuments of an ovule harden and the water content gets highly reduced as the seed matures?

Fill in the blanks: H. The integuments of ovule surround the ……… all around except at the apex, leaving a narrow passage , called the ………..

After fertilisation, the integuments of an ovule develop into :

Third integument is found in ovules of:

The integuments of the ovule develop into ______.

The integuments of the ovule enclose a opening called ________.