previous years question papers of ICMR JRF

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PREETI's picture
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 Section I (A) Aptitude

 Section I (A)

Aptitude (compulsory for all candidates)

1. Molality is defined as:

1. Number of moles of solute/L of solvent

2. Grams of solute/L of solvent

3. Number of moles of solute/Kg of solvent

4. Number of Grams equivalent of solute/L of solvent

2. An ‘inbred’ strain of an animal refers to:

1. Genetically undefined animal

2. Animals bred in a laboratory

3. Isogenic animals

4. Immunodeficient animals

3. The limits of Pearson’s Correlation coefficient are:

1. 0 ≤ Y ≤ 1

2. -1 ≤ Y ≤ 0

3. -1 ≤ Y ≤ +1

4. 0 < Y < 1

4. Which of the following tests will be used for testing

of mean between two groups?

1. Students unpaired ‘t’ test

2. Students paired ‘t’ test

3. ANOVA

4. Chi square test

5. When p < 0.05, which of the following is true?

1. Probability of type I error is less than 0.05

2. Probability of type II error is less than 0.05

3. Probability of type I error is more than 0.05

4. Probability of type II error is more than 0.05

6. Aspirin was first obtained from the bark of:

1. Cinchona tree

2. Neem tree

3. Willow tree

4. Eucalyptus tree

7. An isotope of an element has:

1. Same number of neutrons

2. Same number of electrons and neutrons

3. Same number of protons and neutrons

4. Same number of protons

8. The branch of science that deals with cancer is

known as:

1. Serology

2. Oncology

3. Pathology

4. Radiology

9. Which of the following waves cannot be transmitted

through vacuum:

1. Light waves

2. Heat waves

3. Sound waves

4. Electromagnetic waves

10. Luc Montagnier and Robert Gallo are the codiscoverers

of the following virus:

1. Ebola

2. Hepatitis-B

3. Small Pox

4. HIV

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51. Which of the followings is rich in triglycerides?

1. Chylomicrons

2. LDL

3. VLDL

4. HDL

52. Which enzyme has impaired activity in Vitamin B1

deficiency?

1. Succinate dehydrogenase

2. Pyruvate dehydrogenase

3. Transketolase

4. Citrate synthase

53. Which of the following is useful for identifying

amino terminal residue of proteins?

1. Cyanogen bromide

2. Fluorodinitrobenzene

3. Performic acid

4. Dansyl chloride

54. Which is the most abundant RNA in a cell?

1. tRNA

2. mRNA

3. rRNA

4. SnRNA

55. Which of the following statements concerning

characteristics of histones is FALSE?

1. They are highly basic proteins found in the nucleus

2. They form non-covalent bonds with eukaryotic

DNA called nucleosomes

3. They are very highly conserved proteins

4. They are associated with both prokaryotic and

eukaryotic DNA

56. Which of the following is an inhibitor of protein

synthesis?

1. Pencillin

2. Chloramphenicol

3. Actinomycin D

4. Bacitracin

57. The Ames test is used to:

1. To detect bacteria

2. To detect viruses

3. To detect enzymes

4. To detect mutagens

58. In which of the following tissues insulin enhances

transport of glucose?

1. Brain

2. Lens

3. Red blood cell

4. Adipose tissue

59. Which class of RNA characteristically contains

methylated purines and pyrimidines?

1. tRNA

2. mRNA

3. rRNA

4. 16sRNA

60. Km of any enzymatic reaction describes:

1. Reaction velocity expressed as mols per second

61. A Codon consists of:

1. One molecule of amino acyl-t RNa

2. Two complementary base pairs

3. Three consecutive nucleotide units

4. Three individual nucleotides

A

5

62. One mmol of NaCI contains:

1. 35.5 g

2. 35.5 mg

3. 58.5 g

4. 58.5 mg

63. Piezoelectric crystals are used in:

1. NMR imaging

2. Crystallography

3. Ultrasonography

4. Xeroradiography

64. Nuclear Magnetic Resonance Imaging technique is

based on the gyromagnetic property of:

1. Neutron

2. Electron

3. Proton

4. Positron

65. Hydrogen-3 is a pure:

1. Alpha emitter

2. Gamma emitter

3. Beta emitter

4. Positron emitter

66. When a positron is emitted from a radioisotopic

atom, the atomic number of the daughter product:

1. Increases by one

2. Decreases by one

3. Decreases by two

4. No change

67. The sedimentation velocity of a protein in a

centrifuge tube does NOT depend on the:

1. Density of the solution

2. Density of protein

3. Mass of protein

4. Charge of the protein

68. Which law states that: At constant temperature, the

volume of a given quantity of any gas is inversely

proportional to the pressure upon the gas?

1. Boyle’s law

2. Charle’s law

3. Henry’s law

4. Dalton’s law

69. Western blot is a technique used for:

1. Protein expression

2. DNA expression

3. RNA expression

4. Fat expression

70. When a molecule absorbs light of a particular

wavelength and continues to emit light of higher

wavelength for a considerable time after excitation,

the phenomenon is called:

1. Phosphorescence

2. Fluorescence

3. Chemiluminescence

4. Cerenkov radiations

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adey40's picture
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some more questions please

some more questions please