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TLS Online TPP Program

#Question id: 48

Which of the following statements regarding enantiomers true?

#1. Molecules and their Interaction Relevant to Biology

  1. All (+) enantiomers are levorotatory

  2. All (-) enantiomers rotate plane polarized light in a counterclockwise direction

  3. (+) and (-) enantiomers rotate plane polarized light in opposite directions

  4. All R enantiomers are dextrorotatory

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TLS Online TPP Program

#Question id: 16121

#7. System Physiology – Animal

 Match the following mechanisms (Column I) with their correct example (Column II).

Column I

Column II

A. Heat-generating and heat-retaining mechanisms

i. increased metabolic rate (thyroid

hormones, sympathetic nervous system)

 

B. Heat-dissipating mechanisms

ii. vasodilation of blood vessels of the skin (decreased sympathetic tone)

 

iii. increased activity of sympathetic cholinergic fibers to sweat glands.

 

iv. shivering

 

v. vasoconstriction of blood vessels of the skin (increased sympathetic tone)

TLS Online TPP Program

#Question id: 11072

#7. System Physiology – Animal

The following diagram shows pulmonary airway resistance expressed as a function of pulmonary volume. Which relationship best describes the normal lung?
TLS Online TPP Program

#Question id: 11984

#10. Ecological Principles

The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by
TLS Online TPP Program

#Question id: 23919

#Aptitude

Which of the following shows bioaccumulation and contaminate food chains?
TLS Online TPP Program

#Question id: 19369

#12. Applied Biology

Genes are transferred from prokaryotes into plants this phase is considered as