Practice Questions

TLS Online TPP Program

#Question id: 10551

plants possess a second type of immunity mediated by a set of highly specific intracellular receptors known as nucleotide binding site–leucine rich repeat (NBS–LRR) receptors. How NBS–LRRs become activated,

#Unit 6. System Physiology – Plant

by binding with plant proteins such as guardees or decoys
by binding directly to a pathogen effector with guardees or decoys
by binding as long as it is bound to its guardees
by binding effector molecules with LRR domain

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TLS Online TPP Program

#Question id: 23040

#Unit 12. Applied Biology

________ process is the main pathway for degradation of bioorganic compounds.

TLS Online TPP Program

#Question id: 33372

#Unit 1. Molecules and their Interaction Relevant to Biology

All turns secondary structures are characterised by

a. Dihedral angle values

b. Hydrogen bonding

c. i+1 residues

TLS Online TPP Program

#Question id: 12216

#Unit 7. System Physiology – Animal

Gastric emptying is regulated to ensure the chyme enters the duodenum at an appropriate rate. Which of the following factors promotes gastric emptying?

TLS Online TPP Program

#Question id: 17269

#Unit 8. Inheritance Biology

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. In the next generation of 1 million individuals (Generation 2), what are the expected numbers of aa albinos and Aa carriers? (Assume random mating and all other HardyWeinberg conditions.)

TLS Online TPP Program

#Question id: 3826

#Unit 3. Fundamental Processes

Which scientists first gave experimental evidence that DNA is the genetic material?