Recombinant DNA Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Recombinant DNA Technology, a fundamental topic in the field of Biochemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Recombinant DNA Technology MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Recombinant DNA Technology mcq questions that explore various aspects of Recombinant DNA Technology problems. Each MCQ is crafted to challenge your understanding of Recombinant DNA Technology principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Recombinant DNA Technology MCQs are your pathway to success in mastering this essential Biochemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Recombinant DNA Technology. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Recombinant DNA Technology MCQs | Page 20 of 21

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Q191.
Glucose is added to the tissue culture media as a/an __________

a.

Carbon source

b.

Growth regulator

c.

Solidifying agent

d.

Antibiotic

Discuss
Answer: (a).Carbon source
Q192.
Explant can be a __________

a.

Cut part of the plant used in tissue culture

b.

Plant extract used in tissue culture

c.

Source of growth regulators added to media

d.

Solidifying agent

Discuss
Answer: (a).Cut part of the plant used in tissue culture
Q193.
Meristem culture helps in developing which of the following?

a.

Tall plants

b.

Disease resistant plants

c.

Virus free plants

d.

Hybrid plants

Discuss
Answer: (c).Virus free plants
Q194.
Which of the following is used to transfer genes in plants?

a.

Ti plasmid

b.

pBR 322

c.

EcorI

d.

pUC 18

Discuss
Answer: (a).Ti plasmid
Q195.
Trp repressor is a

a.

Homodimer

b.

Homotrimer

c.

Heterodimer

d.

Heterotrimer

Discuss
Answer: (a).Homodimer
Q196.
Attenuator sequences base-pair to form a stem-and-loop structure rich in

a.

A = T

b.

G ≡ C

c.

A = C

d.

G = C

Discuss
Answer: (b).G ≡ C
Q197.
Which of the following regulatory sequence allows transcription to continue?

a.

Sequence 1

b.

Sequence 2

c.

Sequence 3

d.

Sequence 4

Discuss
Answer: (b).Sequence 2
Q198.
Formation of the attenuator stem-and-loop structure depends on the events that occur during translation of

a.

Regulatory sequence 1

b.

Regulatory sequence 2

c.

Regulatory sequence 3

d.

Regulatory sequence 4

Discuss
Answer: (a).Regulatory sequence 1
Q199.
Which of the following takes place when tryptophan levels are low?

a.

Ribosomes quickly translates sequence 1

b.

Sequence 2 is blocked before sequence 3 is transcribed

c.

Ribosomes pauses at the Try codons in sequence 1

d.

Attenuation at the attenuator structure formed by sequences of 3 and 4

Discuss
Answer: (c).Ribosomes pauses at the Try codons in sequence 1
Q200.
Which of the following takes place when tryptophan levels are high?

a.

Attenuation at the attenuator structure formed by sequences of 3 and 4

b.

Ribosomes pauses at the Try codons in sequence 1

c.

Formation of paired structure between 2 and 3 sequences prevents attenuation

d.

2:3 structures, unlike the 3:4 attenuator, does not prevent transcription

Discuss
Answer: (a).Attenuation at the attenuator structure formed by sequences of 3 and 4
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