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प्रश्न
Define the following term:
Cuticle
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उत्तर
The epidermis secretes a viscous layer on the surfaces of leaves, which is known as the cuticle. Its primary function is to prevent excessive transpiration, thereby reducing water loss from the leaf surfaces.
संबंधित प्रश्न
Name the following:
Any two parts of a leaf which allow transpiration.
State the functions of guard cells.
Differentiate Between Cobalt chloride paper and Goat’s bladder.
The diagram below represents a structure found in a leaf.
Study the same and answer the questions that follow:
(i) Name the pis 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 above structure 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?
Name the following:
A potometer is an instrument for measuring the rate of the most transpiration in a herbaceous plant like Balsam occurs through which part.
State the Location:
Stomata
Mark the most appropriate answer in the following:
Stomata open during day and close at night because:
Guard cells help in regulating the ______.
Assertion (A): The loss of excess water from the aerial parts of the plant in the form of water vapor is known as transpiration.
Reason (R): Stomata of the leaf perform transpiration.
Write a short note on lenticular transpiration.
