- 1(current)
Q. No.Match the organism with its use in biotechnology.
| (a) | Bacillus thuringiensis | (i) | Cloning vector |
| (b) | Thermus aquaticus | (ii) | Construction of first rDNA molecule |
| (c) | Agrobacterium tumefaciens | (iii) | DNA polymerase |
| (d) | Salmonella typhimurium | (iv) | Cry proteins |
Select the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (iii) | (i) | (ii) |
| 2. | (iii) | (ii) | (iv) | (i) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (ii) | (iv) | (iii) | (i) |
Subtopic: Â Bt Crops |Â Interference RNA Tech |
 89%
Level 1: 80%+
NEET - 2020
Hints
Match the following columns and select the correct option.
| Column-I | Column-II | ||
| a. | Bt cotton | (i) | Gene therapy |
| b. | Adenosine deaminase deficiency | (ii) | Cellular defense |
| c. | RNAi | (iii) | Detection of HIV infection |
| d. | PCR | (iv) | Bacillus thuringiensis |
| a | b | c | d | |
| 1. | (iii) | (ii) | (i) | (iv) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (i) | (ii) | (iii) | (iv) |
| 4. | (iv) | (i) | (ii) | (iii) |
Subtopic: Â Bt Crops |Â Interference RNA Tech |Â Gene Therapy |Â Molecular Diagnosis |
 94%
Level 1: 80%+
NEET - 2020
Hints
Consider the following statements :
| I. | RNAi takes place in all eukaryotic organisms as a method of cellular defence |
| II. | It involves silencing of a specific mRNA due to complementary dsDNA molecules that prevents the translation of mRNA |
| III. | Fire and Mello got Nobel Prize for the discovery of RNAi |
Which of the above statements are true ?
1. I and II only
2. I and III only
3. II and III only
4. I,II and III
Subtopic: Â Interference RNA Tech |
 56%
Level 3: 35%-60%
Hints
| Assertion (A): | Agrobacterium tumifaciens is common pathogen of plant family poaceae. |
| Reason (R): | Plants of poaceae family are highly sensitive to the bacteria Agrobacterium tumifaciens. |
| 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 Bt Crops |Â Interference RNA Tech |
 57%
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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