Class 11 Biology NCERT Solutions For Chapter 11 Transport in Plants

Download NCERT Solutions for Class 11 Biology

Chapter 11 Transport in Plants

(Link of Pdf File is given below at the end of the Questions list)

In this pdf file you can see answers of following Questions

Question 1:
What are the factors affecting the rate of diffusion?
Question 2:
What are porins? What role do they play in diffusion?

Question 3:
Describe the role played by protein pumps during active transport in plants.
Question 4:
Explain why pure water has the maximum water potential.
Question 5:
Differentiate between the following:
(a) Diffusion and Osmosis
(b) Transpiration and Evaporation
(c) Osmotic Pressure and Osmotic Potential
(d) Imbibition and Diffusion
(e) Apoplast and Symplast pathways of movement of water in plants.
(f) Guttation and Transpiration.

Question 6:
Briefly describe water potential. What are the factors affecting it?

Question 7:

hat happens when a pressure greater than the atmospheric pressure is applied to
pure water or a solution?
Question 8:
(a) With the help of well-labelled diagrams, describe the process of plasmolysis inplants, giving appropriate examples.
(b) Explain what will happen to a plant cell if it is kept in a solution having higherwater potential.
Question 9:
How is the mycorrhizal association helpful in absorption of water and minerals in
plants?
Question 10:
What role does root pressure play in water movement in plants?
Question 11:
Describe transpiration pull model of water transport in plants. What are the factors
influencing transpiration? How is it useful to plants?
Question 12:
Discuss the factors responsible for ascent of xylem sap in plants.

Question 13:
What essential role does the root endodermis play during mineral absorption inplants?
Question 14:
Explain why xylem transport is unidirectional and phloem transport bi-directional.
Question 15:
Explain pressure flow hypothesis of translocation of sugars in plants.

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