EASY
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The movement of gases in green plants is regulated by the stomata.

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Important Questions on Respiration - The Energy Producing System

EASY
 Identify the cells that help in the opening of stomatal pores for the entry of carbon dioxide during day time.
 
MEDIUM
Draw a well-labelled diagram of an open stoma.
EASY
Exchange of gases is similar to the respiration.
EASY
In older portion of roots and woody stems, the exchange of gases takes place through small openings called _____.
MEDIUM
Identify the correct sequence of labelled A, B, C and D of the following diagram of a part of the peel of a dicot leaf seen with a compound microscope:
Question Image
EASY
Which of the following are function of the stomata?
EASY
What chemical reaction happens continuously in plant cell to release energy?
MEDIUM
Leaves of a healthy potted plant were coated with vaseline to block the stomata. Will this plant remain healthy for long? State three reasons for your answer.
MEDIUM
Where does the exchange of gases take place in plants?
MEDIUM
What are stomata? What function do they perform? With the help of diagram explain the opening and closing of stomata.
MEDIUM
Some plants are found under the water. How does gaseous exchange take place in such plants?
MEDIUM
The decrease in the concentration of potassium ions leads to an increase in the turgidity of the guard cells.
MEDIUM
In what ways do gases move into and out of the leaf?
EASY
Which epidermal peel will be preferred to observe the stomata in a dicot leaf and a monocot leaf and why?
MEDIUM
Describe the movement of gases into and out of a plant.
MEDIUM
_____ of the guard cell closes the stomatal aperture.