List of practice Questions

A uniform magnetic field acts right angles to the direction of motion of electrons. As a result, the electron moves in a circular path of radius 2 cm. If the speed of electrons is doubled, then the radius of the circular path will be
Splenic artery arises from
ADH or vasopressin is
Hormone connected with cell division, is
A 100 millihenry coil carries a current of 1 A. Energy stored in its magnetic field is
Mitotic anaphase differs from metaphase in possessing
Which of the following aqueous solution has minimum freezing point?
Syngamy means
Syngenesious condition of stamens is found in Family
Study of fossils is
The angular velocity and the amplitude of a simple pendulum is $\omega$ and a respectively. At a displacement x from the mean position if its kinetic energy is T and potential energy is V, then the ratio of T to V is
A magnetic field of $2\times 10^{-2}$T acts at right angles to a coil of area 100 $cm^2$, with 50 turns. The average e.m.f. induced in the coil is 0.1 V, when it is removed from the field in t sec. The value of t is
If the number of turns per unit length of a coil of solenoid is doubled, the self-inductance of the solenoid will
In soil, the water available for root absorption is
Dark reactions of photosynthesis occur in
The basic unit of nucleic acid is
Most accepted theory for ascent of sap is
The common mode of sexual reproduction in Chlamydomonas is
The velocity of charge carriers of current (about 1 ampere) in a metal under normal conditions is of the order of
The bleaching action of chlorine is due to
The correct order of decreasing polarisability of the ions is
Faraday's laws are consequence of conservation of
Pollination occurs in
At a particular locus, frequency of allele $A$ is $0.6$ and that of allele a is $0.4$. What would be the frequency of heterozygotes in a random mating population at equilibrium?
In the nucleus of $_{11}Na^{23}$ , the number of protons, neutrons and electrons are