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TLS Online TPP Program

#Question id: 11915

Which of the following is the correct prediction about the three types of model such as; Facilitation, Inhibition, Tolerance model.

#Unit 10. Ecological Principles
  1. Facilitation donot found in the aquatic communities
  2. Facilitation may be important  in early seral stages  and inhibition important in later once and vice-versa.

  3. Tolerance model  exhibit  smaller pioneer species would outcompete the larger, slower-growing species

  4. Tolerance and inhibition may both occur in the same community during succession
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TLS Online TPP Program

#Question id: 10705

#Unit 10. Ecological Principles

Which of the following statements is TRUE for an ecotone?
TLS Online TPP Program

#Question id: 10706

#Unit 10. Ecological Principles

Assuming community occupy by 4 species with number 10, 20, 10, 20. What is Shannon weaver index of that community?
TLS Online TPP Program

#Question id: 10707

#Unit 10. Ecological Principles

Based on the intermediate disturbance hypothesis, a community’s species diversity is increased by
TLS Online TPP Program

#Question id: 10708

#Unit 10. Ecological Principles

Which of the following statements is a likely explanation for why invasive species take over communities into which they have been introduced?
TLS Online TPP Program

#Question id: 10716

#Unit 10. Ecological Principles

The stability of a food web in a community is quantified using certain parameters which are defined below. Which of the following is an CORRECT representation?

A. Community with more complex is more stable

B. Community with more number of alternate is more stable

C. Stability of community is inversely proportional to Connectance 

D. Community with higher value of dominax index is more stable
TLS Online TPP Program

#Question id: 10719

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given
A) Community services decline with decreased species richness in a stepwise fashion.
B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions
C) Species richness declines even slightly from its natural levels, community services are reduced immediately
D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.