MCQ
Ribozyme is
- A$RNA$ without sugar
- B$RNA$ without phosphate
- ✓$RNA$ having enzymic activity
- D$RNA$ with extra phosphate
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Reason : Zona pellucida remains undivided till cleavage is complete.
$I.$ use of biofertilisers and biopesticides
$II.$ crop rotation
$III.$ locally developed pest resistant varieties
Choose the correct option