- 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 |
From NCERT
NEET - 2013
Please attempt this question first.
Hints
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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 |
 80%
AIPMT - 2011
Please attempt this question first.
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 |
 82%
From NCERT
AIPMT - 2010
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Guard cells help in:
1. protection against grazing
2. transpiration
3. guttation
4. fighting against infection
Subtopic: Â Epidermal Tissue System |
 88%
From NCERT
AIPMT - 2009
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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