Choose the correct match.

Process	Definition
a. Epithelial-mesenchymal transition	i. The phenomenon, whereby cells intercalate to narrow the tissue and at the same time lengthen it.
b. De-adhesion	ii. The process in which cells that had formerly been part of an epithelium lose their attachments and become individual, migrating cells.
c. Permissive interaction	iii. The cadherins that couple epithelial cells together are degraded, thereby allowing the cells to become free from their neighbors.
d. convergent extension	iv. The responding tissue has already been specified and needs only an environment that allows the expression of these traits.

TLS Online TPP Program

#Question id: 29083

#Unit 10. Ecological Principles

Relative absorption per ppm of increase is;

I- CO2

II- Methane 

III- Nitrous oxide

IV- Chlorofluorocarbon

Arrange in decreasing order

TLS Online TPP Program

#Question id: 29084

#Unit 10. Ecological Principles

Which of the following gases has the major contribution to global warming?

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?