MCQ
The point of sperm entry during fertilization forms
- ACentre of rotation of embryo
- ✓Axis of cleavage
- CGrey crescent
- DDorsal lip of blastopore
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$I$. Abiotic agencies
$II$. Biotic agencies
$III$. Insects only
Select the correct option for the given question
$I.$ restriction enzymes.
$II.$ Polymerase enzymes.
$III.$ Host organism ligases.
$IV.$ vectors.
$V.$ Host organisms.
select the correct option.
Reason : Leguminous plants have Rhizobium in their root nodules.