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NTA Abhyas NEET2020BotanyAnatomy of Flowering PlantsPractice

In grasses, bulliform cells are

Options

  1. Alarge bubble-shaped epidermal cells, present on the lower surface of leaves
  2. Blarge bubble-shaped epidermal cells, present on the upper surface of leaves
  3. Csmall pyramidal epidermal cells, present on the upper surface of leaves
  4. Dsmall pyramidal epidermal cells, present on the lower surface of leaves

Correct answer

B. large bubble-shaped epidermal cells, present on the upper surface of leaves

Step-by-step solution

Bulliform cells spread around the leaf on the upper surface play a role for water storage. These cells assist during transpiration process to reduce water loss. During stress, these cells lose water causing the leaves to curl and prevent damage. They are commonly found in the grasses.

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