Which Types of Plant Stores Carbon Dioxide as an Organic

Question

Which types of plant stores carbon dioxide as an organic acid in its vacuoles?
A) C₂ plants
B) C₃ plants
C) C₄ plants
D) CAM plants

Accepted Answer

CAM (Crassulacean acid metabolism) plants store carbon dioxide as an organic acid in their vacuoles as a part of their adaptation to conserve water in arid environments. They open their stomata only at night to take up carbon dioxide, which is then fixed into an organic acid and stored in vacuoles until daylight when it can be used for photosynthesis.