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jayanthi.B 14th July 2012 09:32 AM

CSIR Model Question Papers Life Science
 
I take part in Council of Scientific and Industrial Research NET exam and now I need its life Science subject model question paper part B for examination helps so tell me which website I can get its model question papers?

Arvind Kumar 14th July 2012 11:11 AM

Re: CSIR Model Question Papers Life Science
 
1 Attachment(s)
I am providing for the model question paper of Life science part B of CSIR:

Questions:

Which of the following bonds will be most difficult to break?
1. C–O
2. C–C
3. C–N
4. C–S

A solution of 1% (w/v) starch at pH 6.7 is digested by 15 μg of -amylase (mol wt
152,000). The rate of maltose (mol wt = 342) had a maximal initial velocity of 8.5 mg
Formed per min. The turnover number is
1. 0.25 105 min–1
2. 25 105 min–1
3. 2.5 105 min–1
4. 2.5 104 min–1

The conformation of a nucleotide in DNA is affected by rotation about how many bonds?
1. 4
2. 6
3. 7
4. 3

Which of the following proteins acts as an energy transducer?
1. G-protein.
2. Bacteriorhodopsin.
3. Hemoglobin.
4. Heat shock protein.

Which of the following predicted property of lipid bilayers would result if the phospholipids had only one hydrocarbon chain instead of two?
1. The bilayers formed would be much less fluid.
2. The diameter of the head group would be much larger than the acyl chain and would tend to form micelles rather than bilayers.
3. The bilayers formed would be much more fluid.
4. The bilayers would be more permeable to small water-soluble molecules.

For the detailed model question paper of CSIR LS part B, here I am attaching a file, from where you can download the question paper.


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