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Q. No.Which is also called molecular glue:
1. DNA Gyrase
2. DNA Helicase
3. DNA Ligase
4. DNA Polymerase
Subtopic: Tools |
96%
Level 1: 80%+
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Gene transfer is present in:
1. biolistics
2. hybridisation
3. tissue culture
4. vegetative propagation
1. biolistics
2. hybridisation
3. tissue culture
4. vegetative propagation
Subtopic: Transforming Plant & Animal Cell |
84%
Level 1: 80%+
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All monerans:
| 1. | contain DNA and RNA |
| 2. | demonstrate a long circular strand of DNA, not formed enclosed in a nuclear membrane |
| 3. | are bacteria |
| 4. | All of the above |
69%
Level 2: 60%+
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Which of the following is used as a best genetic vector in plants?
1. Bacillus thurengiensis
2. Agrobacterium tumifaciens
3. Pseudomonas putida
4. All of the above
1. Bacillus thurengiensis
2. Agrobacterium tumifaciens
3. Pseudomonas putida
4. All of the above
Subtopic: Tools |
75%
Level 2: 60%+
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Subtopic: Polymerase Chain Reaction: PCR |
94%
Level 1: 80%+
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In Annealing:
| 1. | Primers anneal to the DNA template |
| 2. | Taq polymerase adds nucleotides to the annealed primer |
| 3. | Two strands of the DNA separate |
| 4. | Temperature is 92ºC |
Subtopic: Polymerase Chain Reaction: PCR |
86%
Level 1: 80%+
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In annealing:
| 1. | Primers anneal to the DNA template |
| 2. | Taq polymerase adds nucleotides to the annealed primer |
| 3. | Two strands of the DNA separate |
| 4. | Temperature in 92° C |
Subtopic: Polymerase Chain Reaction: PCR |
64%
Level 2: 60%+
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Which is also called molecular glue?
1. DNA gyrase
2. DNA helicase
3. DNA ligase
4. DNA polymerase
1. DNA gyrase
2. DNA helicase
3. DNA ligase
4. DNA polymerase
Subtopic: Tools |
95%
Level 1: 80%+
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Genetic variation cannot be effectively brought about by?
1. Transduction
2. Mutation
3. Transformation
4. Amplification
1. Transduction
2. Mutation
3. Transformation
4. Amplification
Subtopic: Polymerase Chain Reaction: PCR |
67%
Level 2: 60%+
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Given below is the restriction site of a restriction endonuclease Pst-I and the cleavage sites on a DNA molecule
\(5'C-T-G-C-A \downarrow G3\\ 3'G-A-C-G-T \downarrow C5'\\ ~~~~~~\uparrow\)
Choose the option that gives the correct resultant fragments by the action of the enzyme Pst-I
\(5'C-T-G-C-A \downarrow G3\\ 3'G-A-C-G-T \downarrow C5'\\ ~~~~~~\uparrow\)
Choose the option that gives the correct resultant fragments by the action of the enzyme Pst-I
| 1. | \(5'C-T-G~\\ 3'-G-A-C-G-T'\) | \(C-A-G3'\\ C'5\) |
| 2. | \(5'C-T\\ 3'G-A-G-C \) | \(G-C-A-G3'\\ T-C'5\) |
| 3. | \(5'C-T-G-C \\ 3'G-A-C-G \) | \(A-G3'\\ T'-C5'\) |
| 4. | \(5'C-T-G-C-A\\ 3'G\) | \(3'G\\ A-C-G-T-C'5\) |
Subtopic: Restriction Enzymes - Main Enzymes |
57%
Level 3: 35%-60%
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