Practice Questions

TLS Online TPP Program

#Question id: 9178

A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?

#Unit 9. Diversity of Life Forms

The high water flow would make the fish expend more energy.
The low oxygen content would give the fish difficulty in swimming aerobically.
The temperature change would stress the fish by denaturing its proteins.
The change in water solute content would challenge the osmotic balance of the fish.

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TLS Online TPP Program

#Question id: 12786

#Unit 10. Ecological Principles

How are matter and energy used in ecosystems?

TLS Online TPP Program

#Question id: 5246

#Unit 8. Inheritance Biology

The end result of F factor mediated conjugation:

TLS Online TPP Program

#Question id: 12244

#Unit 10. Ecological Principles

The amount of genotypic variation in a natural population can be increased by all of the following EXCEPT

TLS Online TPP Program

#Question id: 10368

#Unit 6. System Physiology – Plant

Free-living bacteria that are capable of fixing nitrogen are aerobic, facultative, or anaerobic. Some of the Aerobic nitrogen-fixing bacteria such as

TLS Online TPP Program

#Question id: 11496

#Unit 7. System Physiology – Animal

Forced rapid breathing results in alkalization of the blood which would lead to which of the following changes in neuronal activity?