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Question
Choose the correct answer:
Which one is semi-permeable?
Options
Plasmalemma
Cell wall
Endoplasmic reticulum
Golgi body
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Solution
Plasmalemma
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RELATED QUESTIONS
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.
Choose the correct answer:
Absorption of water from soil takes place by __________
Fill in the Blank
Leaves get wilted if _________ is removed from the plant.
Epiphytic plants like orchids absorb water vapours from air with the help of ______ having special tissue called velamen.
Identify the part of the plants which is responsible for maximum absorption of water.
Roots of the plants absorb water from the soil through the process of ____________.
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.
Paheli uprooted a rose plant from the soil. Most of the root tips, with root hairs, got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give reason for your answer.
Root hair is a cytoplasmic extension of ______.
