Practice Questions

TLS Online TPP Program

#Question id: 12287

Food chains are sometimes short because

#Unit 10. Ecological Principles

Only a single species of herbivore feeds on each plant species.
Local extinction of a species causes extinction of the other species in its food chain
Most of the energy in a trophic level is lost as it passes to the next higher level.
Predator species tend to be less diverse and less abundant than prey species.

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TLS Online TPP Program

#Question id: 16495

#Unit 12. Applied Biology

An example of very useful scorable marker isolated from the jellyfish (Aequorea victoria)

TLS Online TPP Program

#Question id: 12285

#Unit 10. Ecological Principles

The principle of competitive exclusion states that

TLS Online TPP Program

#Question id: 8954

#Unit 9. Diversity of Life Forms

Which of the following is descriptive of protostomes?

TLS Online TPP Program

#Question id: 3654

#Unit 3. Fundamental Processes

Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.

TLS Online TPP Program

#Question id: 11665

#Unit 7. System Physiology – Animal

Materials are returned to the blood from the filtrate by which of the following processes?