Biotechnology: Principles and Applications — Practice

Question 1

Restriction endonucleases are also known as

Accepted Answer

A

Question 2

In the restriction enzyme name EcoRI, the letter 'R' denotes

Accepted Answer

A

Question 3

A DNA sequence that reads the same in the 5'→3' direction on both strands is called

Accepted Answer

A

Question 4

Which of the following is NOT a requirement of a good cloning vector?

Accepted Answer

A

Question 5

Insertional inactivation is used to identify recombinant bacterial colonies by

Accepted Answer

A

Question 6

In agarose gel electrophoresis, DNA fragments move toward the anode because

Accepted Answer

A

Question 7

In the recombinant DNA technology process, ligation of the gene of interest into a vector occurs

Accepted Answer

A

Question 8

The thermostable DNA polymerase used in PCR is isolated from

Accepted Answer

A

Question 9

The correct order of steps in one PCR cycle is

Accepted Answer

A

Question 10

Humulin, the first genetically engineered human insulin, was produced by

Accepted Answer

A

Question 11

The first disease for which gene therapy was successfully attempted is

Accepted Answer

A

Question 12

Gene therapy using genetically engineered lymphocytes for ADA deficiency requires periodic reinfusion because

Accepted Answer

A

Question 13

The Bt toxin produced by Bacillus thuringiensis is activated in the target insect due to

Accepted Answer

A

Question 14

Tobacco plants were made resistant to the nematode Meloidogyne incognita using which technique?

Accepted Answer

A

Question 15

In India, the body responsible for approving the release of genetically modified organisms (including field trials) is

Accepted Answer

A

Practice — Biotechnology: Principles and Applications