Practice Questions

TLS Online TPP Program

#Question id: 3463

Which one of the following statements is INCORRECT?

#Unit 11. Evolution and Behavior

kleptoparasitism is a type of parasitism involving theft of resources from one individual by another
Social behavior among close relatives is referred to as kin selection
Intersexual selection, males compete with one another for the opportunity to mate with a female
The result of haplodiploidy, females are more related to their sisters than they would be to their own offspring

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TLS Online TPP Program

#Question id: 18392

#Unit 12. Applied Biology

How Deinococcus radiodurans are naturally resistant to quite high levels of ionizing radiation

TLS Online TPP Program

#Question id: 1095

#Unit 4. Cell Communication and Cell Signaling

What does it mean to say that a signal is transduced?

TLS Online TPP Program

#Question id: 11010

#Unit 7. System Physiology – Animal

Which of the following best explains how sympathetic stimulation affects the heart?

TLS Online TPP Program

#Question id: 12349

#Unit 10. Ecological Principles

Males in a population differ in the time they spend displaying to females. A researcher hypothesizes that predators are responsible for these differences. Males display for longer durations when there are no predators in the vicinity and for shorter durations when there is a predator nearby. Which of the following study designs is the most appropriate test of this hypothesis?

TLS Online TPP Program

#Question id: 12996

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is incorrect regarding to α-helix

a) In the α helix, the first four NH groups and last four CO groups will normally lack backbone hydrogen bonds.

b) the length of an amino acid in α-helix reduced almost 3 times than linear structure.

c) the frequent occurrence of Pro and Gly residues favour α-helix formation.

d) dihedral (ϕ and ψ) angle should be close to -57 and -47.