MCQ
Which one is not a pollutant normally?
- AHydrocarbons.
- ✓Carbon dioxide.
- CCarbon monoxide.
- DSulphur dioxide.
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Statement $I:$ $RNA$ mutates at a faster rate.
Statement $II$: Viruses having RNA genome and shorter life span mutate and evolve faster.
In the light of the above statements, choose the correct answer from the options given below:
$I$. It is a transgenic variety of rice
$II$. It contains a goods quality of $\beta$-carotene (provitamin-A)
$III$. $\beta$-carotene is a principal source of vitamin- $A$
$IV$. The grains of the rice are yellow in colour due to $\beta$-carotene. The rice is commonly called golden rice
Which of the statements given above are correct?