MCQOPTIONS
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| 1. |
Which of the following statements is not true for stomatal apparatus? |
| A. | Inner walls of guard cells are thick |
| B. | Guard cells are always surrounded by subsidiary cells |
| C. | Guard cells invariably possess chloroplasts and mitochondria |
| D. | Stomata are involved in gaseous exchange |
| Answer» C. Guard cells invariably possess chloroplasts and mitochondria | |