MCQ
Purines of $DNA$ are represented by
- AUracil and thymine
- ✓Guanine and adenine
- CUracil and cytocine
- DThymine and cytocine
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Match List$-I$ with List$- II.$
| List$-I$ | List$-II$ |
| $(a)$ Vaults | $(i)$ Entry of sperm through Cervix is blocked |
| $(b)$ $IUDs$ | $(ii)$ Removal of Vas deferens |
| $(c)$ Vasectomy | $(iii)$ Phagocytosis of sperms within the Uterus |
| $(d)$ Tubectomy | $(iv)$ Removal of fallopian tube |
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$