Q. Stomata acts as turgor-operated valves?

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Q. How much percentage of total transpiration is done by stomata?

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Q. Mark the one, which is NOT the characteristics of the guard cell?

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Q. Which light modulates osmoregulation of guard cell?

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Q. What is guttation?

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Q. Name the specialized pores from where guttation takes place.

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Q. Which of the following statement is INCORRECT for transpiration?

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Q. Those elements whose absence prevent plants from completing its life cycle are called___________

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Q. Which one of the following is NOT a criteria for an element to be called as essential?

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Q. Who proposed the idea of essential mineral nutrients of the plant?

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Q. Name the technique which involves the growth of a plant by suspending their roots in the air?

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Q. Which of the following is a mineral nutrient?

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Q. Which of the following element is needed by plants in a very small quantity?

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Q. Name the mineral element which is required by a plant in a great amount?

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Q. Deficiency of which mineral causes dark green coloration of the leaves?

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Q. Which of the following is deficiency symptom of magnesium?

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Q. Which of the following class of enzyme does not need manganese for its efficient activity?

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Q. Growth regulators, which control plant growth and development are called___________

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Q. Growth in plants is mainly driven by turgor pressure.

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Q. Which of the following is NOT a plant hormone?

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