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प्रश्न
Choose the correct answer:
Transpiration is more ____________
विकल्प
From the upper surface of leaf.
From the lower surface of leaf.
From stem.
From upper and lower surface of leaf.
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उत्तर
Transpiration is more From the lower surface of leaf
APPEARS IN
संबंधित प्रश्न
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in (a) above in the correct form by changing either the first or the last word only.
Transpiration creates a pull for the upward movement of the sap.
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:
List two adaptations in plants to reduce the above process.
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?
Give Reasons for the following:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
Give Reasons for the following:
Young plants wilt on a hot sunny day.
Explain the Term
Lenticel
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental set-up was placed in bright sunlight. Study the diagram and answer the following questions:
- Name the process intended for the study.
- Define the above mentioned process.
- When the weight of the test tubes (A and B) is taken before and after the experiment, what is observed? Give reasons to justify your observations in A & B.
- What is the purpose of keeping the test tube B in the experimental set-up?
- What is the purpose of putting oil in the test tube?
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:
More transpiration occurs from the upper surface of a leaf.
Give a reason/suitable explanation.
Forests tend to bring more rains.
