Practice Questions

TLS Online TPP Program

#Question id: 11993

Which of the following statements about light in aquatic environments is correct?

#Unit 10. Ecological Principles

Water selectively reflects and absorbs certain wavelengths of light.
Photosynthetic organisms that live in deep water probably use red light.
Longer wavelengths penetrate to greater depths.
Light penetration seldom limits the distribution of photosynthetic species.

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TLS Online TPP Program

#Question id: 23172

#Unit 13. Methods in Biology

Green fluorescent protein do contains a tripeptide sequence i.e. ser-tyr-gly but it only fluoresce when

TLS Online TPP Program

#Question id: 5078

#Unit 5. Developmental Biology

A human blastomere is:

TLS Online TPP Program

#Question id: 14476

#Unit 13. Methods in Biology

A bag contains 6 white balls, 9 black balls. The probability of drawing a black ball is

TLS Online TPP Program

#Question id: 20290

#Unit 7. System Physiology – Animal

What are the factors that inhibits glucagon secretion?

TLS Online TPP Program

#Question id: 20385

#Unit 13. Methods in Biology

PCR primer dimers are formed when