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: 19878

#Unit 13. Methods in Biology

The gene formed by the joining of a DNA from on organism joining to the regulatory sequences of another organism known as

TLS Online TPP Program

#Question id: 19879

#Unit 13. Methods in Biology

Which of the following enzyme is used to cut DNA molecules in rDNA technology

TLS Online TPP Program

#Question id: 19880

#Unit 13. Methods in Biology

Restriction enzymes are also called as

TLS Online TPP Program

#Question id: 19881

#Unit 13. Methods in Biology

The DNA moleclule to which the gene of insert is integrated for cloning is called

TLS Online TPP Program

#Question id: 19882

#Unit 13. Methods in Biology

The vector containing the DNA fragment to be cloned

TLS Online TPP Program

#Question id: 19883

#Unit 13. Methods in Biology

Which of the following statements are true regarding rDNA technology?

a) rDNA technology is used to obtain large number of copies of specific DNA fragments

b) rDNA technology is used to obtain large quantities of the protein produced by the concerned gene

c) rDNA technology is used to integrate gene of interest into chromosomes where it express itself