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 absorbed 1g of water per hour -
B.
1g of water per hour evaporates from the potometer -
C.
the shoot lost 1g of water per hour -
D.
the potometer water receded at the rate of 1g per hour -
E.
the shoot was respiring and lost weight at rate of 1g per hour
Correct Answer: Option C
Explanation
The amount of water lost is (18.9 – 17.9)g = 1g. Hence, the water lost by the shoot is 1g.