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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: - Ozone layer of upper atmosphere is being destroyed by
- Cerebrospinal fluid is present
- Keel is characteristic of the flowers of:
- The cell junctions called tight, adhering and gap junctions are found in
- Which one of the following organisms is correctly matched with its three characteristics?
Topics: Structural Organisation In Plants
(243)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Ozone layer of upper atmosphere is being destroyed by
- Cerebrospinal fluid is present
- Keel is characteristic of the flowers of:
- The cell junctions called tight, adhering and gap junctions are found in
- Which one of the following organisms is correctly matched with its three characteristics?
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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