Practice Questions

TLS Online TPP Program

#Question id: 574

Which of the following statements is FALSE?

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes make reactions 10³ to 10²⁰ times faster.
Enzymes lower the amount of energy needed for a reaction.
Enzymes are chemically unchanged during the actual catalytic process.
Enzymes speed up the attainment of a reaction equilibrium.

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TLS Online TPP Program

#Question id: 34108

#Unit 2. Cellular Organization

What is order of steps to visualise Individual bands containing particular genes can be identified by in situ hybridization.

A. Target cells squashed on slide and freeze in dry ice

B. Wash with ethanol

C. Dip in agar solution

D. Denature DNA

E. Add radioactive probe

F. Wash off unreacted probe

G. Autoradiography

TLS Online TPP Program

#Question id: 23881

#Unit 13. Methods in Biology

Which of the following would not be true of cDNA produced using human brain tissue as the starting material?

TLS Online TPP Program

#Question id: 10693

#Unit 10. Ecological Principles

The diagram represents competition between species 1 and species 2 according to Lotka-Volterra model of competition

Given the conditions in the diagram, the predicted outcome of competition is

TLS Online TPP Program

#Question id: 34162

#Unit 7. System Physiology – Animal

Gonadal and adrenocortical steroids are of following types, EXCEPT?

TLS Online TPP Program

#Question id: 1421

#Unit 4. Cell Communication and Cell Signaling

XIAP proteins: