MCQOPTIONS
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| 1. |
The device shown in the picture is used for measuring growth in plants. It was invented in the early twentieth century by Sir Jagdish Chandra Bose. Name the device. |
| A. | Electrocardiograph |
| B. | Crescograph |
| C. | Chromatogram |
| D. | Seismograph |
| Answer» C. Chromatogram | |