Practice Questions

TLS Online TPP Program

#Question id: 12580

When levels of CO2 are experimentally increased, C3 plants generally respond with a greater increase in productivity than C4 plants. This is because

#Unit 10. Ecological Principles

C plants are more efficient in their use of CO2
C plants are able to obtain the same amount of CO2 by keeping their stomata open for shorter periods of time.
C4 plants don’t use CO2 as their source of carbon.
C3 plants are more limited than C4 plants by CO2 availability because of transpirational water loss.

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TLS Online TPP Program

#Question id: 10276

#Unit 6. System Physiology – Plant

In glycolysis, the enzyme glyceraldehyde 3-phosphate dehydrogenase catalyzes;

TLS Online TPP Program

#Question id: 2629

#Unit 2. Cellular Organization

Case of constitutive mutants,

TLS Online TPP Program

#Question id: 8959

#Unit 9. Diversity of Life Forms

The most ancient branch point in animal phylogeny is that between having

TLS Online TPP Program

#Question id: 12993

#Unit 1. Molecules and their Interaction Relevant to Biology

Out of these which of the following is true regarding the propensity of α-helix.

a. any amino acid which can take up desirable ϕ and ψ angle close to -57 and -47 will favour the formation of a α-helix

b. amino acid such a proline and glycine have lowest propensity will favour formation of α-helix.

c. if the resultant change in the value ΔΔG0 is positive then it will favour the formation of α-helix.

d. if the resultant change in the value ΔΔG0 is zero or close to zero then it will favour the formation of α-helix.

TLS Online TPP Program

#Question id: 23989

#General Aptitude

If your principal indulges in corruption and forces you to co-operate, how would you make compromise with such a superior fellow?