Topic: Chapter 4: Principles and Processes of Biotechnology (Test 2)



Topic: Chapter 4: Principles and Processes of Biotechnology
Q.1

Assertion : Agrobacterium tumifaciens is popular in genetic engineering because this bacteriumis associated with the root nodules of all cereals and pulse crops

Reason: A gene incorporated in the bacterial chromosomal genome gets atomatically transferred to the cross with which bacterium is associated.

A. Both assertion and reason are true. But reason is correct explanation of assertion.
B. Both assertion and reason are true. But reason is not correct explanation of assertion.
C. Assertion is true, but reason is false. OR Assertion is false, but reason is true.
D. Both assertion and reason are false.
Answer : Option D
Explaination / Solution:
No Explaination.


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Q.2
Which one of the following is not correct statement.
A. Ti plasmid causes the bunchy top disease
B. Multiple cloning site is known as Polylinker
C. Non viral method transfection of Nucleic acid in cell
D. Polylactic acid is a kind of biodegradable and bioactive thermoplastic.
Answer : Option A
Explaination / Solution:
No Explaination.


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Q.3
An analysis of chromosomal DNA using the southern hybridisation technique does not use
A. Electrophoresis
B. Blotting
C. Autoradiography
D. Polymerase Chain Reaction
Answer : Option D
Explaination / Solution:
No Explaination.


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Q.4
An antibiotic gene in a vector usually helps in the selection of
A. Competent cells
B. Transformed cells
C. Recombinant cells
D. None of the above
Answer : Option B
Explaination / Solution:
No Explaination.


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Q.5
Some of the characteristics of Bt cotton are
A. Long fibre and resistant to aphids
B. Medium yield, long fibre and resistant to beetle pests
C. high yield and production of toxic protein crystals which kill dipteran pests.
D. High yield and resistant to ball worms
Answer : Option D
Explaination / Solution:
No Explaination.


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