MCQOPTIONS
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| 1. |
Scientists from the United States have recently improved the process of photosynthesis by using genetic modification. This led to an increase in the yield of experimental crop by _____ per cent. |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 25 |
| Answer» C. 20 | |