Cytoplasm of ovum does not contain:

Cytoplasm is

Cytoplasm of ovum does not possess

The helium atom does not contain

Photochemical smog does not contain:

Assertion (A): Human ovum is non-cleidoic Reason (R): Human ovum does not contain yolk.

If fertilisation of ovum does not occur in female, then …………………. happens.

Mischmetal' alloy does not contain :

Assertion : The acrosomal secretions of sperm , help it in entering in the cytoplasm of the ovum . Reason : It contains sperm lysin .

Assertion : The acrosomal secretions of sperm , help it in entering in the cytoplasm of the ovum . Reason : It contains sperm lysin .