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TLS Online TPP Program

#Question id: 12534

Which of the following statements is correct about biogeochemical cycling?

#Unit 10. Ecological Principles
  1. The phosphorus cycle involves the recycling of atmospheric phosphorus
  2. The phosphorus cycle is a cycle that involves the weathering of rocks
  3. The carbon cycle is a localized cycle that primarily involves the burning of fossil fuels
  4. The carbon cycle has maintained a constant atmospheric concentration of CO2 for the past million years
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TLS Online TPP Program

#Question id: 11419

#Unit 10. Ecological Principles

There are more species in tropical areas than in places more distant from the equator. This is probably a result of

a) more predators and parasites

b) more dispersed annual solar radiation compared to the poles

c) more frequent ecological disturbances over a longer time span

d) a longer time frame without disturbances for evolution and speciation
TLS Online TPP Program

#Question id: 807

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following forces can stabilize a normal DNA double-helix?
TLS Online TPP Program

#Question id: 678

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not true about β-sheets?
TLS Online TPP Program

#Question id: 905

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct about chaperones

A) renature and denatured proteins.

B) help cells repair damage due to heat shock.

C) assist protein self assembly.

D) donot use ATP to fold proteins.
TLS Online TPP Program

#Question id: 11352

#Unit 10. Ecological Principles

Experimental removal of predatory typhlodromus mites from strawberry fields illustrated which of the following?