ICSE Class X Biology 2018 Solved Papers

Show Para  Hide Para 
The diagram below represents a process in plants. The setup was placed in bright sunlight. Answer the following questions:
© examsnet.com
Question : 89
Total: 97
When placed in bright sunlight for four hours, what do you observe with regard to the initial and final weight of the plant? Give a suitable reason for your answer.
Solution:  
Initial weight is more.
After placing in sunlight for four hours, we notice a fall in the final weight of the plant.
Reason: The rate of transpiration is more in sunlight. The fall in weight is the loss of water by plant due to transpiration.
© examsnet.com
Go to Question: