A potometer with a leafy shoot weighed 18.9g initially and weighed 17.9g after one hour. From this it follow that
A. the shoot lost 1g of water per hour B. the potometer water receded at the rate of 1g per hour C. the shoot absorbed 1g of water per hour D. the shoot was respiring and lost weight at rate of 1g per hour E. 1g of water per hour evaporates from the potometer
Correct Answer: A
Explanation
The amount of water lost is (18.9 - 17.9)g = 1g. Hence, the water lost by the shoot is 1g.
