Which of the following is true
| A. |
The bundle sheath cells surround the vascular bundles like a ring in `C_4` plants. This is called Krnaz anatomy |
 |
| B. |
In CAM plant s stomata are open in day time |
| C. |
Bundle of sheath cells have PEPCO enzymes for `CO_2` fixation |
| D. |
C-3 plants are superior to `C_4` plants |