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5th December 2014, 04:27 PM
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Join Date: Apr 2013
Re: NEST Entrance Exam Question Papers

You need National Entrance Screening Test model question paper, I am giving here:

Suppose all the reactions in a unicellular organism have come to equilibrium. This
(A) signals the birth of the organism.
(B) happens when the organism is at rest.
(C) is true at all the times.
(D) leads to death.

P, Q, R, S, T and U are metabolites. Within this set of metabolites, P is the precursor of all others. T and U are the only end-products. Q is the precursor of R and S. R is the precursor of T. Both the metabolites T and U partially inhibit the synthesis of Q.
This is an example of
(A) common feedback inhibition.
(B) cumulative feedback inhibition.
(C) repression.
(D) sequential feedback inhibition.

In its natural environment, a bacterium E. coli can digest lactose by synthesising galactosidase enzyme. If the medium contains minimal lactose, a spec c protein binds to the nearby region of the gene and inhibits enzyme synthesis. This is an example of
(A) common feedback inhibition.
(B) cumulative feedback inhibition.
(C) repression.
(D) sequential feedback inhibition.

Which of the cubes shown above can be made from the net N?
(A) P (B) Q (C) R (D) S

Cerenkov radiation is
(A) the light emitted by a charged particle travelling in a medium with a speed
greater than the speed of light in the medium.
(B) the -radiation emitted by an excited heavy nucleus coming to its ground state.
(C) the
-radiation emitted by a radioactive element in the actinide series.
(D) the radiation emitted when
-particles emitted by a radioactive source are stopped by a target.
NEST Question paper




For detailed paper, here is attachment.....................
Attached Files
File Type: pdf NEST Question paper.pdf (494.3 KB, 50 views)


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