Question 38
Transport in PlantsA potometer was used to compare the rate of loss of the same volume of water from a plant under different environmental conditions as under a fan, at the sea shore, under the sun, in the airy laboratory and in cupboard. Which of the items was likely to have been obtained in a cupboard?
- A.15 secs
- B.30 secs
- C.25 secs
- D.20 secs
- E.28 secs
Show the answer and explanation
Answer: B (30 secs)
Explanation
A dark, still, humid cupboard gives the slowest transpiration, so the same volume takes the longest time (30 s).