MCQ
$A$ population is said to achieve demographic transition, if
- ABirth rate equals death rate
- BEmigration equals immigration if population is same, in both places
- CDoubling time is $33 \;years$
- ✓Both $(a)$ & $(b)$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $I$ | List $II$ |
| $A.$ Cocaine | $I.$ Effective sedative in surgery |
| $B.$ Heroin | $II.$ Cannabis sativa |
| $C.$ Morphine | $III.$ Erythroxylum |
| $D.$ Marijuana | $IV.$ Papaver somniferum |
Choose the correct answer from the options given below: