List of practice Questions

A p-n junction has a thickness of the order of
A nuclear reactor delivers a power of $10^9$ W. What is the amount of fuel consumed by the reactor in one hour ?
A non conducting disc of radius R, charge q is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity $\omega$ chaise q iS uniformly distributed over its surface. The magnetic moment of the disc is
Protein is identified in
Which is diagnosed is southern blotting
Which is not formed in deficiency of ADA
Magic antibodies are
Second generation vaccines contain
Amino acids present in c-peptide of proinsulin are
Extra amino acids present in pre-proinsulin are
Interferons are used in the treatment of
In the following reaction: $CH_3ONa + CO {->[\Delta][{\text{Under pressure}}, HCl]} A$ Here $'A'$ is
A narrow spectrum antibiotic is active against____.
A natural number x is chosen at random from the first 100 natural numbers. Then the probability, for the equation $x+\frac{100}{x} > 50$ to be true is
A naturally occurring substance from which a metal can be profitably extracted is known, as
A mule is produced by the interspecific hybridisation between
A multimode graded index fibre exhibits total pulse broadening of $0.1\, \mu s$ over a distance of $1.5\, km$. What is the maximum possible band width on the link assuming no inter symbol interference?
A myopic person can not see objects lying beyond 2m. The focal length and power of the lens required to remove this defect will be
A motorboat is racing towards north at $25 \,km\, h^{-1}$ and the water current in that region is $10\, km\, h^{-1}$ in the direction of $60^?$ east of south. The resultant velocity of the boat is
A motorcycle and a car start from rest from the same place at the same time and travel in the same direction. The motorcycle accelerates at $1.0 \,m\, s^{-2}$ up to a speed of $36\, km\, h^{-1}$ and the car at $0.5 \,m \,s^{-2}$ up to a speed of $54 \,km\, h^{-1}$. The time at which the car would overtake the motorcycle is
A monkey of mass $40 \,kg$ climbs ona massless rope which can stand a maximum tension of $500 \,N$. In which of the following cases will the rope break? (Take$\, g=10\,m \,s^{-2}$)
A monocarpic perennial plant is
A mole of $N_2H_4$ loses $10$ mol of electrons to form a new compound $Y$. Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in $Y$? (There is no change in the oxidation number of hydrogen.)
A mole of $ {N_2H_4}$ loses ten moles of electrons to form a new compound Y. Assuming that all the nitrogen appears in the new compound, what is the oxidation state'of nitrogen in Y? (there is no change in the oxidation number of hydrogen)
A mixture of three gases, ethane, ethene and ethyne are passed through ammoniacal solution of cuprous chloride. The emergent gas(es) after it was passed through solution contained