- 1(current)
Q. No.Which of the following statement is not true for stomatal apparatus?
| 1. | Guard cells invariably possess chloroplasts and mitochondria |
| 2. | Guard cells are always surrounded by subsidiary cells |
| 3. | Stomata are involved in gaseous exchange |
| 4. | Inner walls of guard cells are thick |
Subtopic: Â Epidermal Tissue System |
 53%
Level 3: 35%-60%
NEET - 2013
Hints
Inland plants, the guard cells differ from other epidermal cells in having:
| 1. | mitochondria |
| 2. | endoplasmic reticulum |
| 3. | chloroplasts |
| 4. | cytoskeleton |
Subtopic: Â Epidermal Tissue System |
 79%
Level 2: 60%+
AIPMT - 2011
Hints
Given below is the diagram of a stomatal apparatus. In which of the following, all the four parts labelled as A, B, C and D are correctly identified:
| A | B | C | D | |
| 1. | Guard cell | Stomatal aperture | Subsidiary Cell | Epidermal Cell |
| 2. | Epidermal Cell | Guard Cell | Stomatal aperture | Subsidiary cell |
| 3. | Epidermal Cell | Subsidiary Cell | Stomatal aperture | Guard Cell |
| 4. | Subsidiary Cell | Epidermal Cell | Guard Cell | Stomatal aperture |
Subtopic: Â Epidermal Tissue System |
 84%
Level 1: 80%+
AIPMT - 2010
Hints
Guard cells help in:
| 1. | protection against grazing |
| 2. | transpiration |
| 3. | guttation |
| 4. | fighting against infection |
Subtopic: Â Epidermal Tissue System |
 88%
Level 1: 80%+
AIPMT - 2009
Hints
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.