Advertisements
Advertisements
Question
Transpiration pull will be maximum under which set of the following conditions?
Options
Open stomata, dry atmosphere and moist soil
Open stomata, high humid atmosphere and well irrigated soil
Open stomata, high humid atmosphere and dry soil
Closed stomata, dry atmosphere and dry soil
Advertisements
Solution
Open stomata, dry atmosphere and moist soil
Notes
Open stomata, dry atmosphere and moist soil
RELATED QUESTIONS
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 ………………………..
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
From which structure cuticular transpiration occur in plants?
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.

Define the above mentioned process.
What are lenticels? Where are they found?
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
