MCQ
Bacteria protect themselves from viruses by fragmenting viral $\text{DNA}$ with:
- ✓Endonuclease
- BExonuclease
- CLigase
- DGyrase
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Match the following columns
| Column-I | Column-II |
| $(A)$ Barrier | $(1)$ Copper$-T$ |
| $(B)$ $IUD$ | $(2)$ Vasectomy and tubectomy |
| $(C)$ Surgical technique | $(3)$ Condoms cervical Caps |
| $(D)$ Adminisitrating hormones | $(4)$ Oral, pill and saheli |
$II.$ Some animals are poisonous
$III.$ Monarch butterfly are distasteful
The above adaptations are against