List of practice Questions

In a closed insulated container a liquid is stirred with a paddle to increase the temperature, which of the following is true?
$2$ mole of ideal gas at $ 27^{\circ}C$ temperature is expanded reversibly from $2\,L$ to $20\,L$ . Find entropy change $(R=2\,cal/mol\,K)$
van der Waals real gas, act as an ideal gas, at which condition?
Unit of entropy is
In hydrogen atom, energy of first excited state is $ -3.4\,eV$ . Then $KE$ of same orbit of hydrogen atom is
Two identical induction coils each of inductance $L$ joined in series are placed very close to each other such that the winding direction of one is exactly opposite to that of the other, what is net inductance?
A beaker is completely filled with water at $4^{\circ} C$. It will overflow if
If the temperature difference on the two sides of a wall increases from $ 100{}^\circ C $ to $ 200{}^\circ C $ , its thermal conductivity
Which one of the following is a mismatch ?
Which hormone is NOT produced by the pituitary gland ?
Stage of development at which implantation occurs is known as
Western Ghats have come under "Hot spot" category because of
The cationic complex is
$\tan\left[\frac{1}{2} \sin^{-1} \left(\frac{2x}{1+x^{2}}\right) + \frac{1}{2} \cos^{-1} \left(\frac{1-x^{2}}{1+x^{2}}\right)\right] = $
In the diffraction pattern due to a single slit linear width of the central max will be twice that of slit width $(d)$. The distance between the slit and the screen is
In the acid hydrolysis of methyl acetate ester,
If $x = \log_a bc, y = \log_b ca, z = \log_c ab,$ then $\frac{x}{1+x} + \frac{y}{1+y} + \frac{z}{1+z } = $
If $\sin(\theta + \alpha) = \cos(\theta + \alpha),$ then the value of $\frac{1 - \tan \alpha}{1+ \tan \alpha}$ is
Franklin Conrat demonstrated that RNA is the genetic material of
Enterokinase brings the conversion of
Epicanthus skin fold above the eyes and transverse palmer crease are typical symptoms of $\cdots\cdots\cdots$
During _________stage of meiosis I, crossing over take place.
$d^2sp^3$ hybridisation of the atomic orbitals gives
Circularly polarised light is passed through Quarter Wave Plate and emerging light is passed through a rotating analyser. The intensity of emerging light
If the ? mode of differentiation of xylem is centrifugal, then it is