Multiple choice

Large bubble shaped epidermal cells in grass are called

  1. guard cells

  2. palisade parenchyma

  3. bulliform cells

  4. aerenchyma

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Bulliform cells are upper epidermal cells which are large and bubble shaped.They are found in grass and enable leaves to roll up during water scarcity and prevents loss of water from the surface of the leaf.