- 1(current)
Q. No.Match column-I with column-II and choose the correct option:
1. a(iv), b(ii), c(iii), d(i)
2. a(iv), b(ii), c(i), d(iii)
3. a(ii), b(iv), c(i), d(iii)
4. a(ii), b(iv), c(iii), d(i)
| Column-I | Column -II | ||
| a. | Biosynthetic stage | (i) | Increased surface area for oxygen transfer |
| b. | Downstream processing | (ii) | Large-scale production in the fermenter |
| c. | Sparged stirred-tank bioreactor |
(iii) | With foam breaker and flat bladed impeller |
| d. | Simple stirred-tank bioreactor |
(iv) | Separation and purification |
1. a(iv), b(ii), c(iii), d(i)
2. a(iv), b(ii), c(i), d(iii)
3. a(ii), b(iv), c(i), d(iii)
4. a(ii), b(iv), c(iii), d(i)
Subtopic: Â Bioreactors/Downstream Processing |Â Large Scale Production |
 70%
From NCERT
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Assertion(A): Foreign DNA can be inserted into host cells by heat shock treatment, microinjection and biolistics.
Reason(R): The chromogenic substrate used in blue-white screening of recombinant DNA is X-gal.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason(R): The chromogenic substrate used in blue-white screening of recombinant DNA is X-gal.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Â Transforming Plant & Animal Cell |Â Host & Desired DNA |Â Large Scale Production |
 62%
From NCERT
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Q. No.
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