Which plant is useful as green manure?

The major product obtained on treatment of $CH_3CH_2CH(F)CH_3$ with $CH_3O^-/CH_3OH$ is

Refer to the botanical name of wheat "$Triticum\; aestivum$" and identify the statement which correctly describes it.

The wavelength of ${K_\alpha }$ $X-$rays produced by an $X-$ray tube is $0.76 \ \mathring A$. The atomic number of the anode material of the tube is:

Which of the following is a non-reducing sugar?

The solution of $x \frac{dy}{dx} = y + x e^{y/x}$ with $y(1) = 0$ is