CSIR Life Science 2013 Past Paper Questions (Previous Year Papers) Part 1

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58. Which of the following is NOT a post- transcriptional modification in a mammalian system?

1. Palmitoylation

2. Glycosylation

3. Peptidylation

4. Phosphorylation

59. Thyroxin releasing hormone (TRH) receptors belongs to

1. Nuclear receptor family

2. Receptor thyroxin kinase family

3. G- coupled protein receptor family

4. Guanylate cyclase receptor family

60. The glucose residue in amylose are linked by

1. a 1 --4

2. 1 --4

3. a 1 --6

4. 1 … 6

61. Immediate hypersensitivity reactions are associated with

1. IgE

2. IgG

3. IgM

4. IgA

62. As shown in the diagram below, a sphere is placed on the top of an incline. It rolls down the incline without slipping is exactly 500 turns. The radius of the sphere is

Rolls down the Incline Slipping is Exactly 500 Turns

1. ) cm

2. (

3. (

4.10 cm

63. A set of concentric circles of integer radii 1,2 … . N is shown in figure below. An ant starts at point A -1 goes around the first circle, returns to A1, moves to A2, goes around the second circle, returns to A2, moves to A3 repeats this until it reaches in AN. The distance covered by the ant is

1.

2.

3.

4.

Concentric Circles of Integer Radii

64. If and are distinct, how many terms will be expansion of the product contain?

1.

2.

3.

4.

65. In a class of 10 students, 3 failed in History, 6 failed in geography and 2 failed in both. How many subjects passed in both the subjects?

1.1

2.2

3.3

4.0

66. Equal masses of two liquid densities and are mix thoroughly. The density of mixture is

1.

2.

3.

4.

69. The next number of the sequence 1, 5, 14,30, 55, is

1.85

2.90

3.91

4.95

70. The interaction energy between atom A and B 400kjmol- 1

1. Pi-pi

2. Covalent

3. Ion-dipole

4. Hydrogen bond