Which of the following statements is not true for stomatal apparatus?
Which of the following statements is not true for stomatal apparatus?
- [NEET 2013]
- A
Guard cells invariably possess chloroplasts and mitochondria.
- B
Guard cells are always surrounded by subsidiary cells.
- C
Stomata are involved in gaseous exchange.
- D
Inner wall of guard cells are thick.
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The trees growing in desert will
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If there is more than one tunica layer in a stem apex, which among the following is most likely to happen
If there is more than one tunica layer in a stem apex, which among the following is most likely to happen
- [AIIMS 1985]