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TLS Online TPP Program

#Question id: 11131

Which statement concerning the generation of an action potential is correct?

#Unit 7. System Physiology – Animal
  1. When the membrane potential in the soma/axon hillock dips below “threshold,” an action potential is initiated
  2. The action potential is initiated in synaptic boutons
  3. The least number of voltage-gated sodium channels in an axon is found near the node of Ranvier
  4. Once an action potential is initiated, it will always run its course to completion
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TLS Online TPP Program

#Question id: 11338

#Unit 10. Ecological Principles

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that
TLS Online TPP Program

#Question id: 11375

#Unit 10. Ecological Principles

Productivity per day (NPP per ground area per day) four different ecosystems
TLS Online TPP Program

#Question id: 11377

#Unit 10. Ecological Principles

Which one of the following statements is correct?
TLS Online TPP Program

#Question id: 11378

#Unit 10. Ecological Principles

Which of the following set of conditions will qualify a species to be considered as critical endangered (EN) as per IUCN criteria?
TLS Online TPP Program

#Question id: 11379

#Unit 10. Ecological Principles

Which of the following is NOT a prediction arising out of Wilson-MacArthur's -Theory of Island Biogeography?
TLS Online TPP Program

#Question id: 11380

#Unit 10. Ecological Principles

Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness?