Biotechnology - 2017 Past Year Paper - IIT JAM MCQ

The role of enzyme E synthesized by phage φX174 during host infection is to

Among CH₄, H₂O, NH₃ and PH₃, the molecule having the smallest percent s character for the covalent bond (X–H) between the central element (X = C, O, N or P) and hydrogen is

The result of an electrophoretic separation of a mixture of amino acids X, Y and Z at pH = 5.0 is represented as (Given the isoelectric points of X, Y and Z are 9.87, 3.22 and 5.43 respectively)

cos(x + yx) =

The average energy of a diatomic gaseous molecule at temperature  Boltzmann’s constant. The average energy of this molecule per degree of freedom is

The refractive index of diamond is 2.419. If the speed of light in vacuum is 3 × 10⁸ m s^–1, then the speed of light in diamond is

Which of the following is true of protein synthesis ONLY in prokaryotes ?

Match the entries in Group I with that in Group II

If an aldol cleavage of glucose- 6- phosphate occurs in glycolysis, it will result in

The natural geographical distribution of kangaroos is limited to the Australian continent because

W hich of the following is NOT an example of an adaptive defense mechanism against predation ?

Match the entries in Group I with that in Group II

The nitrogenase of diazotrophs

During eukaryotic cell division, the amount of DNA doubles

The correct sequence of the following events in the human female reproductive cycle is

I : Secretion of FSH

II : Growth of corpus luteum

III : Growth of follicle and oogenesis

IV : Ovulation

V : Sudden increase in the level of LH

The major product formed in the following reaction is 

The reaction that produces s- bromophenol as the major product is

For an autocatalytic second order reaction R → P, the rate law is [where v is rate of the reaction and k is the rate constant]

In metal- carbonyl complexes, the p- back bonding is

If u(x) and v(x) are differentiable at x = 0, and if u(0) = 5, u’(0) = – 3, v(0) = – 1 and v’(0) = 2,mnthen the value of 

Two dice are thrown simultaneously. The probability that the sum of the number obtained is divisible by 7 is

If one of the diameters of a circle has end points (2, 0) and (4, 0), then the equation of that circle is

If P = {1, 2, – 1, 3}, Q = {0, 4, 1, 3} and R = {1, 6, 7}, then P∩(Q∪R) =

The position of a particle along the y- axis is y = Pt⁴ + Q. For the equation to be dimensionally consistent, the dimension of P in terms of length [L] and time [T] is

Two inductor P and Q having inductance ration 1 : 2 are connected in parallel in an electric circuit.The energy stored in the inductors P and Q are in the ratio

A body X of mass M moving with velocity v hits a stationary body Y of mass m. If M >> m and X moves with the velocity v’, then the velocity of Y after an elastic collision is