Practice Questions

TLS Online TPP Program

#Question id: 12766

Which of the following statements about the evolution of life histories is correct?

#Unit 10. Ecological Principles

Stable environments with limited resources favour r-selected populations.
K-selected populations are most often found in environments where density-independent factors are important regulators of population size.
Most populations have both r- and K-selected characteristics that vary under different environmental conditions.
The reproductive efforts of r-selected populations are directed at producing just a few offspring with good competitive abilities.

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TLS Online TPP Program

#Question id: 3527

#Unit 8. Inheritance Biology

Which of the following genetic cross would produce 1/4 yellow round, 1/4 yellow wrinkle, 1/4 Green round and ¼ Green Wrinkle seeded plant?

TLS Online TPP Program

#Question id: 12731

#Unit 13. Methods in Biology

Choose the correct codon for phenylalanine.

TLS Online TPP Program

#Question id: 357

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the concentration of H+ in a solution of 0.1 M NaOH?

TLS Online TPP Program

#Question id: 28695

#Unit 2. Cellular Organization

O-linked oligosaccharides is representing the attachment of glycoproteins to the hydroxyl (–OH) group in which amino acid residue?

TLS Online TPP Program

#Question id: 12974

#Unit 10. Ecological Principles

Which lake zone would be absent in a very shallow lake?