WBCS.LIVE practice question

Leaves of many grasses are capable of folding and unfolding because:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Their mesophyll is not differentiated into palisade and spongy parenchyma
  2. They have stomata on both sides of the leaf
  3. They have high levels of silica
  4. They have specialised bulliform cells

Correct answer and explanation

Correct answer: They have specialised bulliform cells