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ENTRANCE TEST – 2017 Multiple Questions and Answers.
| 41. | The is the 1st heat stable component used in PCR | ||
| A. | Taq-isomerase | ||
| B. | Taq-helicase | ||
| C. | Taq-polymeras | ||
| D. | TaqSSBp | ||
| 42. | Patients of cystic fibros is (CF) produse thick mucus because of faulty | ||
| A. | Trans-membrane carrie | ||
| B. | Cl-ions | ||
| C. | Na+ion | ||
| D. | None of these | ||
| 43. | Chemicals used for destroying agricultural competitors are known as | ||
| A. | Antibiotics | ||
| B. | Pesticides | ||
| C. | Disinfectants | ||
| D. | Chemotherpeutic agents | ||
| 44. | How denitrification does occur in soils | ||
| A. | Bacterial reduction of NO3 —ions toN2 gas | ||
| B. | Active up take of Nitrateions by plant roots | ||
| C. | Drainage of manure from fields | ||
| D. | Leaching of nitrate ions | ||
| 45. | Process by which un related species evolve to functionally resemble each other is called: | ||
| A. | Convergent evolution | ||
| B. | Divergent evolution | ||
| C. | Co-evolution | ||
| D. | Parallel evolution | ||
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