Practice Questions

TLS Online TPP Program

#Question id: 349

Increased atmospheric CO2 concentrations might have what effect on seawater?

#Unit 1. Molecules and their Interaction Relevant to Biology

Seawater will become more alkaline, and carbonate concentrations will decrease.
There will be no change in the pH of seawater, because carbonate will turn to bicarbonate.
Seawater will become more acidic, and carbonate concentrations will decrease.
Seawater will become more acidic, and carbonate concentrations will increase.

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TLS Online TPP Program

#Question id: 3547

#Unit 8. Inheritance Biology

Ram and Nidhi are apparently normal, but their daughter was born with alkaptonuria, an inherited metabolic disorder. If alkaptonuria is like most human hereditary disorders, the probability of their next child being born with alkaptonuria is

TLS Online TPP Program

#Question id: 12264

#Unit 10. Ecological Principles

You discover several species of unpalatable insects that closely resemble each other. You propose that this is an example of __________ mimicry.

TLS Online TPP Program

#Question id: 24537

#Unit 11. Evolution and Behavior

An allele at one locus spreads by natural selection acting on a second locus that is in linkage disequilibrium is an example of____

TLS Online TPP Program

#Question id: 33703

#Unit 2. Cellular Organization

What will be the buoyant density of a duplex DNA having 60% GC sequences