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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Polymerase chain reaction is used in DNA amplification. |
Reason (R): | The ampicillin resistant gene is used as a selectable marker to check transformation. |
1. | (A) is not correct but (R) is correct. |
2. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
3. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
4. | (A) is correct but (R) is not correct. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a cell, the separation of DNA strands is brought about by the enzyme DNA helicase, whereas in PCR, the separation of DNA strands is due to :
1. High temperature
2. Two sets of Primers
3. Taq DNA polymerase
4. Deoxynucleotides
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?
1. Extension, Denaturation, Annealing
2. Annealing, Denaturation, Extension
3. Denaturation, Annealing, Extension
4. Denaturation, Extension, Annealing
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring the process of gene amplification using PCR, if a very high temperature is not maintained in the beginning, then which of the following PCR will be affected first?
1. | Denaturation | 2. | Ligation |
3. | Annealing | 4. | Extension |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following techniques or instruments with their usage:
(a) | Bioreactor | (i) | Separation of DNA fragments |
(b) | Electrophoresis | (ii) | Production of large quantities of products |
(c) | PCR | (iii) | Detection of pathogen, based on antigen-antibody reaction |
(d) | ELISA | (iv) | Amplification of nucleic acids |
Select the correct option from the following:
1. | (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i) |
2. | (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii) |
3. | (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i) |
4. | (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one is a true statement regarding DNA polymerase used in PCR?
1. It is used to ligate introduces DNA in recipient cells
2. It serves as a selectable marker
3. It is isolated from a virus
4. It remains active at high temperatures
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology