MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Transpiration

An apparatus ...

Question

An apparatus shown alongside was set up in sunlight for about an hour. It was observed that drops of water appeared on the inside of the polythene bag.
Why the pot and its soil were left uncovered by the polythene bag?

Open in App

Solution

The pot and the soil are left uncovered to show that the water vapour deposited on the polythene bag is from the aerial parts of the plant and not from the roots or soil.
Thus, explaining the occurrence of transpiration in the apparatus.

Suggest Corrections

thumbs-up

1

Similar questions

Q. An apparatus shown alongside was set up in sunlight for about an hour. It was observed that drops of water appeared on the inside of the polythene bag.
(a) Name the process which is being demonstrated.

Q. An apparatus shown alongside was set up in sunlight for about an hour. It was observed that drops of water appeared on the inside of the polythene bag.
Why was the pot left in sunlight?

Q. An apparatus shown alongside was set up in sunlight for about an hour. It was observed that drops of water appeared on the inside of the polythene bag.
Suppose the pot in this experiment was placed inside a room instead of placing it under sunlight. What difference would be noticed?

Q. A well watered plant growing under sufficient sunlight was covered with the polythene and tied just above the roots. After 3 to 4 hours, it was observed that a lot water droplets were present inside the polythene bag. Which process may have contributed to this?

Q. Shyam went to grocery shop to purchase some food items. The shopkeeper packed all the items in polythene bags and gave them to Shyam. But Shyam refused to accept the polythene bags and asked the shopkeeper to pack the items in paper bags. He informed the shopkeeper about the heavy penalty imposed by the government for using polythene bags. The shopkeeper promised that he would use paper bags in future in place of polythene bags. Answer the following :

(a) Write the values (at least two) shown by Shyam.

(b) Write one structural difference between low-density polythene and high-density polythene.

(c) Why did Shyam refuse to accept the items in polythene bags?

(d) What is biodegradable polymer? Give an example.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Transpiration

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard IX Biology

Join BYJU'S Learning Program

CrossIcon