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Which of the following statements is not true for stomatal apparatus?
Options
(a) Inner walls of guard cells are thick
(b) Guard cells invariably possess chloroplasts and mitochondria
(c) Guard cells are always surrounded by subsidiary cells
(d) Stomata are involved in gaseous exchange
Correct Answer:
Guard cells are always surrounded by subsidiary cells
Explanation:
Sometimes, a few epidermal cells in the vicinity of the guard cells become specialised in their shape and size and are known as subsidiary cells or accessory cells
Related Questions: - During which phase(s) of cell cycle, amount of DNA in a cell remains at 4 C level
- Cellular organelles with membranes are :
- Some blue green algae can be used as biofertilizer as they are
- Number of prothallial cells present in an anther is
- Seminal plasma in human males is rich in :
Topics: Structural Organisation In Plants
(243)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- During which phase(s) of cell cycle, amount of DNA in a cell remains at 4 C level
- Cellular organelles with membranes are :
- Some blue green algae can be used as biofertilizer as they are
- Number of prothallial cells present in an anther is
- Seminal plasma in human males is rich in :
Topics: Structural Organisation In Plants (243)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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