Observe the picture of an activity given as Fig. 7.4 carried out with leaves of plants and polythene bag.Now answer the following:(a) Which process is demonstrated in the activity?(b) When will this activity show better results – on a bright sunny day or a cloudy day?(c) What will you observe in the polythene bag after a few hours of setting up the activity?(d) Mention any one precaution you must take while performing this activity.

Observe the picture of an activity given as Fig. 7.4 carried out with

1.	Observe the picture of an activity given as Fig. 7.4 carried out with leaves of plants and polythene bag.Now answer the following:(a) Which process is demonstrated in the activity?(b) When will this activity show better results – on a bright sunny day or a cloudy day?(c) What will you observe in the polythene bag after a few hours of setting up the activity?(d) Mention any one precaution you must take while performing this activity.
Answer» (a) Transpiration. (b) On a bright sunny day. (c) Small drops of water inside the polythene cover. (d) The set-up must be airtight/polythene bag must be dry/ the twig must be fresh with 10-12 leaves.