List of practice Questions

Which one of the following cannot be used as a moderator in a nuclear reactor?

Which one of the following ions has electronic configuration $[Ar] 3d^6 ? $ (At.no. $Mn =25, Fe = 26,Co =27, Ni = 28)$

Which one of the following is not a lateral meristem?

Which one of the following molecular hydrides acts as a Lewis acid?

Which of the following conformers for ethylene glycol is most stable ?

Which of the following are used in gene cloning ?

Vegetative propagation in Pistia occurs by

van der Waals equation of state is obeyed by real gases. For $ n $ moles of a real gas, the expression will be

Insulin, a hormone, chemically is

In the following transitions, which one has higher frequency?

If one face of prism is silvered having prism angle $ 30{}^\circ $ and $ \mu =\sqrt{2}. $ What will be the angle of incidence, so that the incident ray retraces its path?

If refractive index of glass is $1.50$ and of water is $1.33$, then critical angle is

If increase in linear momentum of a body is $50\%$, then change in its kinetic energy is

Heartwood differs from sapwood in

Given below is the diagram of a stomatal apparatus. In which of the following all the four parts labelled as A, B, C and D are correctly identified?

Genetic engineering has been successfully used for producing

Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these, the order of decreasing acidic character will be

For a given material, the Youngs modulus is $2.4$ times that of (rigidity modulus, then Poissons ratio is

Electron affinity is maximum for

Dimensions of capacitance is.

dB is a standard abbreviation used for the quantitative expression of

Drying oil invariably contains

A renewable exhaustible natural resource is

Which of the following configurations represents the metallic element?

The low solubility of barium sulphate in water is due to