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प्रश्न
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उत्तर
Cobalt chloride (CoCl2) paper
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संबंधित प्रश्न
Mention the two ways in which transpiration helps the plants.
Transpiration pull will be maximum under which set of the following conditions?
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
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:
Name the process being studies. Define the process.
The diagram alongside represents a structure found in a leaf. Study the same and answer the questions that follow:
(i) Name the parts labeled A and B.
(ii) What is the biological term for the above structure?
(iii) What is the function of the part labeled A?
(iv) Mention two structural features of A, which help in the function mentioned in (iii) above?
(v) Where is this structure likely to be found in a leaf?
(vi) The structure (fig.5.22) helps in the process of transpiration. Explain the term transpiration.
(vii) How many other cells are found surrounding this structure as seen in the diagram?
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.
When the weight of the test tubes A and B is taken before and after the experiment, what change is observed? Justify.
Give Reasons for the following:
Land plants die if their roots remain waterlogged.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Root hairs are the extensions of the outer epidermal cells of the root
