MCQ
Which is the main causative factor of desertification
- ADevelopmental activities
- BTourism
- ✓Overgrazing
- DIrrigated agriculture
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Reason : Presence of insert results in inactivation of enzyme $\beta -$ galactosidase known as insertional inactivation.
$I$. User-friendly
$II$. Easily available
$III$. Effective
$IV$. Interferring coitus
$V$. Expensive and effective
| 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$-T$ |