It is now possible to breed plants and animals with desired characters through

Golgi bodies are absent in . . . . . . .

The decomposition of $H_2O_2$ can be prevented by the addition of which of the following?

If $A+B+C=270^{\circ}$,then $\cos 2A+\cos 2B+\cos 2C$ is equal to:

The number of $5$-digit numbers that are not divisible by $5$ and consist of different odd digits is:

The transition from the state $n = 3$ to $n = 1$ in a hydrogen-like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from