TLS Online TPP Program

#Question id: 15777


Which of the following is not a property of the progenitor cell?

#Unit 5. Developmental Biology
  1. Unlimited self-renewal.
  2. Limited self-renewal
  3. Capacity to divide
  4. Amplify the pool of progenitors before they terminally differentiate
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TLS Online TPP Program

#Question id: 5813

#Unit 8. Inheritance Biology

Examples of environmental mutagens include:

TLS Online TPP Program

#Question id: 14087

#Unit 1. Molecules and their Interaction Relevant to Biology

Certain thermophiles, microorganisms that live under conditions of extreme high temperatures have DNA  

TLS Online TPP Program

#Question id: 23152

#Unit 13. Methods in Biology

A fluorescent dye SNARF-1 that is sensitive to H+ concentrations can be used to monitor the cytosolic pH of 
1. Alkaline cells
2. Acidic cells 
3. Dead cells
4. Live cells
Which of the following options are incorrect?

TLS Online TPP Program

#Question id: 3485

#Unit 11. Evolution and Behavior

Optimal foraging involves all of the following except

A) maximizing energy gained by the forager.

B) minimizing energy expended by the forager.

C) securing essential nutrients for the forager.

D) minimizing the risk of predation on the forager.

E) maximizing the population size of the forager

TLS Online TPP Program

#Question id: 10374

#Unit 6. System Physiology – Plant

The stages in the formation of the symbiotic relationship between the nitrogen-fixing bacteria and their host, Arrange the given statements of symbiotic association in a stepwise manner;

 a) Migration of the bacteria toward the roots of the host plant by a chemotactic response mediated by chemical attractants

b) NodD with the flavonoids bind with the Promoter region of  highly conserved the nod box

c) These attractants activate the rhizobial NodD protein,

d) The chemical attractants especially (iso)flavonoids and betaines, secreted by the roots

e) Binding of the activated NodD to the nod box induces transcription of the other nod genes

 Which of the following from the above statements are correct arrangement of symbiosis?