Acid hydrolysis of $X$ yields two different organic compounds. Which one of the following is $X$?

Rajaji National Park is situated in:

It is estimated that per minute each $cm^2$ of the Earth receives about $2 \ cal$ $(1 \ cal = 4.18 \ J)$ of heat energy from the Sun. This is called the Solar constant. In $SI$ units,the value is:

Which of the following features of genetic codes allow bacteria to produce human insulin by recombinant $\text{DNA}$ technology?

Coordination compounds have great importance in biological systems. In this context,which of the following statements is incorrect?

Aniline-water mixture can be separated by