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| Q.34 | Select the most appropriate option to fill in the blanks. According to the mosquito theory, a person can _______ the yellow fever by being bitten by a mosquito that had ________ bitten a person suffering from yellow fever. | |
| Ans | 1. contract; previously | |
| 2. infect; earlier | ||
| 3. spread; presently | ||
| 4. adopt; formerly |
Correct Ans Provided: 1
