List of practice Questions

Which of the following is a pair of viral diseases?

A particle performing $ SHM $ has time period $ \frac{2\pi}{\sqrt3} $ and path length $ 4\, cm $ . The displacement from mean position at which acceleration is equal to velocity is

Rooting of cutting is promoted by

In a satellite, if the time of revolution is $ T $ , then $ KE $ is proportional to

Cannizaro?s reaction is not given by

Which alcohol of molecular formula $ C_4H_9OH $ cannot be obtained by the reduction of carbonyl compound ?

The correct sequence of plants in a hydrosere is

In a resonance pipe the first and second resonances are obtained at depths $ 22.7 \,cm $ and $ 70.2\, cm $ respectively. What will be the end correction ?

If the linear charge density of a cylinder is $ 4 \,\mu cm^{-1} $ then electric field intensity at point $ 3.6 \,cm $ from axis is

Guard cells help in

The ionization energy of the electron in the hydrogen atom in its ground state is $13.6\, eV.$ The atoms are excited to higher energy levels to emit radiations of $6$ wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between

Diploid structure found in embryo sac is

Inactive cancer gene is called

Path of ascent of sap is

Cod liver oil is rich in

Stachyose is a

Study the pedigree chart given below. What does it show?

T.O. Diener discovered a

Polyethylene glycol method is used for

Power dissipated in an $LCR$ series circuit connected to an a.c. source of emf $\varepsilon$ is :

Steps taken by the Government of India to control air pollution include

The number of photo electrons emitted for light of a frequency $\upsilon$ (higher than the threshold frequency $v_0) $ is proportional to

Among the following which is the strongest oxidising agent?

Cytoskeleton is made up of

In the nuclear decay given below $^A_Z X \rightarrow \, ^A _{Z+1} Y \rightarrow \, ^{A-A}_{Z-1}B * \, \rightarrow \, ^{A-A}_{Z-1}B,$ the particles emitted in the sequence are