Assertion: Under conditions of high light intensity and limited CO₂ supply,
photorespiration has a useful role in protecting the plants from photo-oxidative damage.

Reason: If enough CO₂ is not available to utilize light energy for carboxylation to proceed, the excess energy may not cause damage to plants.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false.