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Question

What is the primary function of stomata in plant leaves during photosynthesis?

This question was previously asked in
RRB Group D 2025 Question Paper (9-Aug-2026) (Shift 1)
The correct answer is

Allow gaseous exchange

Stomata are small pores present on the surface of leaves that allow the exchange of gases (CO₂ in, O₂ out) needed for photosynthesis, and also permit transpiration.

Hence, the correct answer is Allow gaseous exchange (D).

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Similar Questions

  1. Complete the analogy.

    Meristematic Tissue : Dividing capacity :: Simple Permanent Tissue : _________

  2. During a histological examination of a plant’s leaf stalk, elongated cells with irregularly thickened corners and very little intercellular space are observed. Which simple permanent tissue is present and what is its primary function in this region?

  3. In geotropism, what does gravity act as?

  4. Complete the analogy. Xylem : Water Transport :: Phloem : ______.

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  8. Which plant tissue is dead at maturity but functional for transport of water and minerals?

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  10. A botanist is designing a water-efficient vertical garden for a city building. Which simple permanent tissue should be mainly used to provide both support and flexibility to withstand wind?


Important Questions from Botany

  1. Bamboo exhibits a specific type of leaf venation and root structure. What are the characteristics of these features?
  2. Which of the following statements differentiates bryophytes from algae?
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