Mock Test

1. What is the expected melting temperature of the following PCR primer ? 5' -AATCCAGGTATTCGCGAAG-3'

2. DNA transposons that carry a pair of terminal repeats and a transposase gene have everything they need to promote their own transposition. These elements are called :

3. Which of the following set is correct in terms of concentration of urine ?

4. Which cellular organelle is most active in apoptosis?

5. Xenobiotics are :

6. Species 'A: produces many seeds smaller in size, while species 'B' produces few seeds bigger in size. Selection method followed by species 'A' and 'B' is respectively :

7. Which one of the following falls under "Postmating isolating Mechanisms" ?

8. Side chains of most of the amino acids present in a native protein;

9. Consider the following set function µ on a σ-field :

µ(A)  =  0  if  A  is  empty

= 1 if A is non-empty and finite

= ∞ if A is infinite Then,

10. Which of the following histones can exist as tetramers in solution ?

1. Let ф : G → G’ be a surjective group Then :

2. In a certain communication system, on the average, there is 1 transmission error per 10 seconds. Suppose the distribution of errors is Poisson. The probability of at least one error in a communication of half a minute duration is :

3. Consider the following statements

•         Every non-negative harmonic function on C is constant.
• Every harmonic  function   on C – {0} has a harmonic conjugate

Then :

4. For a complex number z, the inequality |z – i| < |z + i| is :

5. Which of the following rings is not noetherian ?

6. Let f : C → C be a non-constant analytic such that |f ’(z)| < f(z)| for all z ε C. Then :

7. Which of the following is an example of the control of the queue discipline ?

8. In the method of constructing confidence interval for an unknown parameter based on pivotal quantity Q, which of the following statements

is correct ?

9. Let z, w be two complex numbers such that z w ε R and z + w ε R. Then  :

10. In a simple linear regression analysis the fitted line using least squares theory will :

1. The Debye temperature of diamond is 2230 K. The molar heat capacity of diamond at 10 K is :

(R  =  8.314  Jmol–1K–1)

2. The following particles

K+, K–,   +,   0,   –, K0

are broadly classified as :

3. For repulsive inverse square force, the shape of the orbit is :

4. Which of the following is not correct (for number of fundamental modes of vibration) ?

5. The radius of gyration of a rigid body of mass M and moment of inertia I is :

6. The period of oscillation of the plane of Foucault’s  pendulum  is  : (ф is the  latitude)

7. Nuclear forces  are  :

8. A phosphorous doped silicon semi-

conductor (doping density : 1017/cm3) is heated from 100°C to 200°C. Which one of the following statements is correct ?

9. The magnitude of magnetic vector potential at a distance r from an ideal magnetic quadrupole is proportional to :

10. The wavelength  of  10  MeV  proton

is nearly equal to : (1F = 10–15 meter)

1. Hydrolysis of an ester is an example of

2. Identify the species isolobal to CH

3. The correct arrangement of IF3, XeF2 and SF4 in the increasing order of lone pairs on the
central atom is

4. A thermoflask used to carry hot drinks is an example of an/a :

5. Maxwell Boltzmann statistics is applicable for

6. In condensation polymerization the reactivity of a specific functional group :

7. The [Ti(H2O)6]3+ is purple coloured complex and its absorption maxima appeared at 20300cm-1. This corresponds to 243 kJ/mol. The CFSE of the complex is

8. The stretching frequency for CO, CN– and NO in IR spectrum will be of the order :

9. Which of the following compound is ESR active?

10. Choose the correct statement given below