MCQ
It natality is balanced by mortality in a population at a given time, there will be a/ an:
- ADecrease in the population size.
- BIncrease in the population size.
- CZero population growth.
- DPopulation explosion.
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Reason : Histones are of five major types $H_1,\,H_2A\,, H_2B,H_3$ and $H_4$ .
| Column $- A$ | Column $- B$ |
| $(1)\; AIDS$ | $(A)$ Rhino Virus |
| $(2)$ Common Cold | $(B)$ Carcinogen |
| $(3)$ Malaria | $(C)$ Salmonella |
| $(4)$ Cancer | $(D)$ Plasmodium |
| $(E)$ Retrovirus |
