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प्रश्न
Very short answer question.
Mention the shape of guard cells in Cyperus.
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उत्तर
In Cyperus, both kidney-shaped and dumbbell-shaped guard cells are present.
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संबंधित प्रश्न
What is dark reaction in photosynthesis?
Describe C3 Pathway.
Answer the following question.
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Give an example of plant having both kidney and dumb-bell shaped guard cells in stomata.
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Types of guard cells
Match the columns:
| Column A (Scientist) | Column B (Theory) | ||
| (1) | Dixon and Joylly | (a) | Starch-sugar inter-conversion theory |
| (2) | Steward | (b) | Osmotic absorption theory |
| (3) | Atkins and Pristley | (c) | Non-osmotic absorption theory |
| (4) | Kramer and Thimann | (d) | Cohesion tension theory |
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Statement I - During night, guard cells become flaccid.
Statement II - During day time, guard cells become turgid due to endosmosis.
In light of above statements, choose the most appropriate answer from the option given below.
