Biotechnology: Principle & Processes Test 8

Question 1
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : β-galactosidase coding sequence acts as a selectable marker.
Reason (R) : Enzyme galactosidase converts the galactose into lactose.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 2
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : DNA is a positively charged molecule.
Reason (R) : DNA moves towards the positive electrode (anode).

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 3
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : Thermus aquaticus, is used in PCR technique.
Reason (R) : It is a heat-stable DNA polymerase.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 4
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : E. coli having pBR322 with DNA insert at BamHI site cannot grow in medium containing tetracycline.
Reason(R) : Recognition site for BamH I is present in TetR region of pBR322.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 5
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : Any fragment of DNA, when linked to the ori region, can be initiated to replicate.
Reason (R) : Ori is a genetic sequence that acts as the initiation site for replication of DNA.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 6
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : EcoRI is a restriction endonuclease enzyme.
Reason (R) : Exonuclease removes nucleotides from the ends of DNA.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 7
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : Restriction enzymes belong to class nucleases.
Reason (R) : Nucleases are of two kinds : exo and endonucleases. Exonucleases remove nucleotides within the DNA.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 8
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : It is essential to have few cloning sites in the cloning vector.
Reason(R) : It helps in identifying and eliminating non-transformants and selectively permitting the growth of the transformants.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 9
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : Agarose gel electrophoresis is used to check the progression of a restriction enzyme digestion.
Reason (R) : Restriction enzyme digestions are performed by incubating purified DNA molecules with restriction enzymes.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Question 10
1 / -0

Directions : In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as :
Assertion (A) : A primer is a small segment of DNA that binds to a complementary strand of DNA.
Reason(R) : Primers are necessary to stop the functioning of DNA polymerase enzymes and, therefore, are necessary in polymerase chain reaction.

A
A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B
B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C
C. Assertion (A) is true but reason (R) is false.

D
D. Assertion (A) is false but reason (R) is true.

Submit Test

Biotechnology: ...

Question 1

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 2

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 3

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 4

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 5

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 6

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 7

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 8

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 9

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

Question 10

A. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C. Assertion (A) is true but reason (R) is false.

D. Assertion (A) is false but reason (R) is true.

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