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Question
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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Solution
Test tube B is used here as a control. This makes the observation of the change in test tube A easy.
RELATED QUESTIONS
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Hydathodes are similar to stomata in plant physiology.
Answer the following (only in few words);
When does stomatal transpiration take place in plants?
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.

Define the above mentioned process.
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
Name the three types of transpiration.
Differentiate Between Transpiration and Guttation.
Differentiate Between Transpiration and Evaporation.
State the Location:
Hydathodes
