Question

Statement A: C3 plants are twice efficient as C4 plants in terms of fixing carbon dioxide. Statement B: C4 plant loses twice the amount of water as C3 plant for same amount of CO2 fixed.

• A. Both the statements are true
• B. Both the statements are false
• C. Statement A is true but Statement B is false
• D. Statement B is true but Statement A is false

Answer 1

Answer:

B. Both the statements are false

• C4 plants are twice efficient than C3 plants in terms of fixing CO2.

• C4 plants lose half the amount of water than C3 plants for same amount of CO2 fixed.

• C4 plants have properties to maximize the availability of CO2.