Multiple choice

C 4 plants loses only half as much water as a C 3 plant for the same amount of CO2 fixed

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

C4 plants lose less water because they concentrate CO2 in bundle sheath cells, reducing the need to open stomata widely. The CO2-concentrating mechanism allows higher water-use efficiency - approximately half the water loss per CO2 fixed compared to C3 plants.

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