| Column-I | Column-II | ||
| A. | Gene therapy | I. | Rhizobium |
| B. | Biofertiliser | II. | Cry gene |
| C. | Bt cotton | III. | SCID |
| D. | Humulin | IV. | Diabetes |
A) A-II; B-I; C-IV; D-III
B) A-III; B-I; C-II; D-IV
C) A-II; B-III; C-I; D-IV
D) A-IV; B-I; C-II; D-III
Correct Answer: B
Solution :
[b] A: Gene therapy is the first clinical therapy which is given to a 4 year old girl with adenosine deaminase deficiency (caused due to deletion of the gene for adenosine deaminase). B: Biofertiliser is a substance which contains living microorganisms that, promotes growth by increasing the supply or availability of primary nutrients to the host plant. Bio-fertilisers such as Rhizobium, Azotobacter, Azospirilium and blue green algae (BGA) have been in use for a long time. C: Bt cotton is a genetically modified variety of cotton producing an insecticide. Bt cotton was created through the addition of genes encoding toxin crystals in the Cry group of endotoxin. When insects attack and eat the cotton plant the Cry toxins are dissolved due to the high pH level of the insects stomach. D: Humulin is used for a preparation of insulin produced by genetic engineering and structurally identical to insulin made by the human pancreas. It is used to treat diabetes.
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