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Previous Year Questions

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TLS Online TPP Program

QUESTION ID:1

How many chiral centers are there in each of these two molecules ? 

QUESTION ID:2

In an external rec)de reactor (CSTR with external recycle), the outlet stream b concentrated 20 fold with respect to biome. and half of this concentrated cells is fed back into the reactor. In such a situation, washout will take place w hen dilution rate (D)

QUESTION ID:3

Which one of the following cell separation techniques allows cells (tom different stages of the cell rule to be separated simultaneously with. minimal perturbation to their physiology ? 

QUESTION ID:4

Protein A used for the purification of IgG is isolated from: 

QUESTION ID:5

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Heating of preoptic anterior hypothalamic area of the brain caused profuse sweating and dilation of blood vessels of the skin. Reason It The above (in A) is to absorb more heat into the body and throw out waste from the body. In the light of the above statements, choose the correct answer from the options given below: 

QUESTION ID:6

The energy landscape or the energy of a reaction:
                  A <---> B 
Along its reaction coordinate follows the following pattern: 

Which one of the following statements are true?

QUESTION ID:7

If an enzyme is NOT damaged during the process of entrapment in a bead, then internal pore diffusion will: 

QUESTION ID:8

Your friend runs a BLASTp on his unknown sequence and finds a match with E-value of 3 with a target. What does this mean?

QUESTION ID:9

Which one of the following is NOT a major checkpoint in the cell division cycle of eukaryotic cell? 

QUESTION ID:10

In a water sample collected from an industrial duster, the ratio of BOD:COD is found to be less than 0.3. Which one of the following may be presumed from this initial data? 

QUESTION ID:11

For determining V, and Km of an enzyme catalyzed reaction, we often use a double reciprocal plot of 1/v versus 1/s. This is NOT the best method because: