Practice Questions

TLS Online TPP Program

#Question id: 10743

Darlington proposed that

#Unit 10. Ecological Principles

Climax communities are self-maintaining
The number of species inhabiting an island doubles with every tenfold increase in area
Extinction rates are higher on larger islands and lower on smaller islands
The number of species of a taxon inhabiting an island maintains a dynamic equilibrium, with the immigration of new species balancing the extinction of previously established species

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TLS Online TPP Program

#Question id: 1090

#Unit 4. Cell Communication and Cell Signaling

Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane?

TLS Online TPP Program

#Question id: 12746

#Unit 13. Methods in Biology

Choose the methodology which is based on Agglutination reaction.

TLS Online TPP Program

#Question id: 23314

#General Aptitude

Spare the rod and spoil the child. It is a famous saying. Its contribution in modern class-room serves our purpose in a

TLS Online TPP Program

#Question id: 23745

#General Aptitude

(a) Metals are generally malleable or ductile.

(b) X is neither malleable nor ductile.

Inference: X is not a metal.

TLS Online TPP Program

#Question id: 2086

#Unit 2. Cellular Organization

Which of the following is (are) not present in biomembranes?