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Guard cells play little role in the prop...

Guard cells play little role in the proper functioning of stomata.

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False. Guard cells play major role in opening and closing of stomata
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Observe the diagram and answer the following. (a) Are these types of guard cells found in monocots or dicots ? (b) Which of these shows a higher water content (i) or (ii) ? (c) Which element plays an important role in the opening and closing of stomata ?

Assertion: Each stomata is composed of two bean shaped cells known as guard cells. Reason: Guard cells regulate the opening and closing of stomata.

Which of the following essential elements plays an important role in opening and closing of stomata?

Which element plays an important role in opening and closing of stomata?

What is the role of K^(+) ions in the opening of stomata?

The .........................pressure of guard cells is responsibel for the opening of stomata.

The element which plays an important role in opening and closing of stomata is

MODERN PUBLICATION-MORPHOLOGY OF FLOWERING PLANTS -QUICK MEMORY TEST ( SAY TRUE OR FALSE )
  1. Dionaea is rootless aquatic herb which form leaf bladders to trap inse...

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  2. Biennial are plants which complete their life cycle in two years.

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  3. Guard cells play little role in the proper functioning of stomata.

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  4. Heart wood is softer than the sap wood and not durable.

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  5. Branches of root arise from pericycle.

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  6. When male and female flowers are found in separate plants, it is terme...

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  7. Drosera obtains proteins by digesting the insects.

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  8. The well developed root system of Pistia serves to absorb water.

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  9. The leaf of Citrus represents a simple leaf.

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  10. Utricularia is provided with a trap or mechanism to store the food mat...

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  11. Wolffia is the smallest flowering plant.

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  12. Lotus is the national flower of India.

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  13. In family Solanaceae placentation is basal.

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  14. Datura belongs to family Solanaceae.

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  15. Gynoecium is bicarpellary, unilocular with basal placentation in famil...

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  16. Flowers are trimerous and hypogynous in family Papilionaceae.

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  17. Odd scpal is anterior in family Papilionaceae.

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  18. Pulses belong to family Papilionaceae.

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  19. Fruit is cypsela in family Gramineae.

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  20. Allium cepa belongs to family Solanaceae.

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