MCQ
'Population explosion' being witnessed is mainly due to:
- ABetter job facilities
- Bincrease in agricultural production
- ✓Better health care
- DNone of these
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- Autogamy is genetically xenogamy
- Pollination occurs by air in grass
- Placenta is arranged in inner wall of ovary
- It is possible to store pollen grains in liquid nitrogen - $100^oC$
Here $A$ and $B$ refers to
Reason : Cancer is caused by damage to genes regulating the cell division cycle.