Advertisements
Advertisements
प्रश्न
Write the functional activity of the following structure:
Lenticels
Advertisements
उत्तर
They help in gaseous exchange.
APPEARS IN
संबंधित प्रश्न
Which one of the following favours the fastest transpiration rate?
Name the factors which affect the rate of transpiration? State their role in each case.
Answer the following (only in few words);
Where does transpiration take place in leaves? Give names of the various parts.
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.
What is the purpose of keeping the test tube B in the experimental setup?
Give Reasons for the following:
Land plants die if their roots remain waterlogged.
Differentiate Between Cuticular and Lenticular transpiration.
Study the diagram given alongside and answer the questions that follow:
(i) Explain the physiological process of being study.
(ii) What will be the observations in the two test-tubes after about 2-3 days?
(iii) Give a reason for your answer in (ii) above.
(iv) Why is the surface of water covered with oil?
(v) State the purpose of setting up test tube B.
Give Technical Term
Loss of water from the aerial parts of a plant.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration takes place only in green plants
