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प्रश्न
Plasma Membrane is ______.
विकल्प
Selectively Permeable
Freely Permeable
Non Permeable
Impermeable
उत्तर
Plasma Membrane is Selectively Permeable.
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संबंधित प्रश्न
The figure given below is a diagrammatic representation of a part of the cross section of the root in the root hair zone. Study the same and then answer the questions that follow
(i) Name the parts indicated by the guidelines 1 to 4.
(ii) Which is the process that enables the passage of water from the soil into the root hair?
(iii) Name the pressure that is responsible for the movement of water in the direction indicated by the arrows. Define it.
(iv) Due to an excess of this pressure sometimes drops of water are found along the leaf margins of some plants especially in the early mornings. What is the phenomenon called?
(v) Draw a well labelled diagram of the root hair cell as it would appear if an excess of fertiliser is added to the soil close to it.
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
Choose the correct answer:
Meaning of ascent of sap is ____________
Choose the correct answer:
Process of ascent of sap in plants occurs ___________
Grapes shrink when immersed in a very strong sugar solution.” Explain.
What is the composition of an outer layer of root hair?
What is the composition of inner layer of root hair?
Identify the zone in wbkh root hair occurs.
