Question

Which atmosphereic gas is used by plants to make their food by photosynthesis?

विकल्प

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

Answer 1

Carbon dioxide

Explanation:

During photosynthesis, plants absorb carbon dioxide from the atmosphere through tiny pores in their leaves known as stomata. Plants use sunlight and chlorophyll to convert CO₂ into glucose and release oxygen as a byproduct.