MCQ
A $\text{DNA}$ with unequal nitrogen bases would most probably be:
- ✓Single stranded.
- BDouble stranded.
- CTriple stranded.
- DFour stranded.
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Match the following columns.
| Column-I | Column-II |
| $(A)$ Government of India legalized $MTP$ in | $(1)$ $1951$ |
| $(B)$ Family planning introduced in | $(2)$ $1971$ |
| $(C)$ Lactational - Amenorrhoea | $(3)$Natural contraveptive |
| $(D)$ $IUD $ | $(4)$progesterone |
| $(E)$ Pill | $(5)$Cu$-T$ |
|
Column- $I$ |
Column- $II$ |
|
$A.$ $500$ million years ago |
$1.$ Sea weeds and few plants |
|
$B.$ $350$ million years ago |
$2.$ Jawless fishes |
|
$C.$ $320$ million years ago. |
$3.$ Inverbebrates |
