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प्रश्न
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

What is the purpose of keeping the test tube B in the experimental setup?
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उत्तर
Test tube B is used here as a control. This makes the observation of the change in test tube A easy.
संबंधित प्रश्न
Fill in the blank with the suitable term given below:
Transpiration is reduced if the air is __________.
Given below is an example of a certain structure and its special functional activity:
Chloroplasts and Photosynthesis.
In a similar way, write the functional activity against each of the following:
Thick cuticle and ………………………..
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:

Why was the pot enclosed in a rubber sheet?
Answer the following (only in few words);
Where does transpiration take place in leaves? Give names of the various parts.
Give Reasons for the following:
Land plants die if their roots remain waterlogged.
Explain the Term
Transpiration
Explain the Term :
Hydathode
Give Technical Term
Main function of lenticel.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The pH of the guard cells increases during day time
Mark the most appropriate answer in the following:
Transpiration is very low during storms due to:
