Practice Questions

TLS Online TPP Program

#Question id: 12674

You have a friend who is wary of environmentalists? claims that global warming could lead to major biological change on Earth. Which of the following statements can you truthfully make in response to your friend's suspicions?

#Unit 10. Ecological Principles

We know that atmospheric carbon dioxide has increased in the last 150 years.
Through measurements and observations, we know that carbon dioxide levels and temperature fluctua- tions were directly correlated even in prehistoric times.
Global warming could have significant effects on United States agriculture.
A, B, C, and D are all correct

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TLS Online TPP Program

#Question id: 26843

#Unit 10. Ecological Principles

While studying the diversity of 3 communities, 5 species and 50 individuals were recorded from each community. The number of individuals under each species was listed as mentioned in the following Table. In which of the following community Pielou’s Evenness index (e) will be 1?

TLS Online TPP Program

#Question id: 26844

#Unit 10. Ecological Principles

Researcher study the diversity of 2 communities, following is relative abundance of each species at different community? ( ln .5 = -0.69 , ln .25= -1.38 , ln .12= -2.12)

What is value of Shannon index of community A and community B respectively?

TLS Online TPP Program

#Question id: 29085

#Unit 10. Ecological Principles

While studying the diversity of 4 communities, 5 species and 50 individuals were recorded from each community. The number of individuals under each species was listed as mentioned in the following table;

Which of the following is decreasing order of evenness of community?

TLS Online TPP Program

#Question id: 29086

#Unit 10. Ecological Principles

Ecologists have often partitioned the overall species diversity of a region into different components given in figure;

A-Overall differences

B- overall richness of the region

C- Local site richness

Select the correct match

TLS Online TPP Program

#Question id: 29087

#Unit 10. Ecological Principles

Following table shows the number of individuals of different species in two communities, X and Y. Use Sorensen index determine the degree of similarity between X and Y community?

TLS Online TPP Program

#Question id: 29088

#Unit 10. Ecological Principles

Following table shows the number of individuals of different species in two communities, X and Y. Use Jaccard index determine the degree of similarity between X and Y community?