Ions, small metabolites, and globular proteins up to about ---------- can diffuse passively through the central aqueous region of the nuclear pore complex.

TLS Online TPP Program

#Question id: 26885

#Unit 10. Ecological Principles

major anthropogenic atmospheric gases causing the greenhouse effect is

TLS Online TPP Program

#Question id: 26886

#Unit 10. Ecological Principles

Relative absorption per ppm of increase is;

CO2

Methane 

Nitrous oxide

Chlorofluorocarbon

Arrange in decreasing order

TLS Online TPP Program

#Question id: 26887

#Unit 10. Ecological Principles

Succession as proceeding to a distinct end point, each phase of succession shown in given diagram (A → D)

TLS Online TPP Program

#Question id: 26888

#Unit 10. Ecological Principles

During the rate of succession several factors would be observe at the pioneer as well as climax community;

  Match the community stages with its given characters;

TLS Online TPP Program

#Question id: 26889

#Unit 10. Ecological Principles

Shifting cultivation is a form of agricultural practice in the hills of Northeast India, where a forest patch is cleared and cultivated for a few years, after which it is left fallow and allowed to regenerate. Succession occurs on such previously cultivated plots. Over time, the plant community should move towards which region in the graph?

TLS Online TPP Program

#Question id: 26890

#Unit 10. Ecological Principles

The MacArthur-Wilson equilibrium model of island biogeography predicts the number of species found on islands. The figure below depicts two volcanic islands located off a section of mainland coast.

 The MacArthur-Wilson model predicts that the relative numbers of bird species on the mainland and two islands would be