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प्रश्न
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उत्तर
- Transportation of food/sugars or minerals occurs in solution form.
- Water is required for photosynthesis.
- Transpiration of water helps to keep the plant cool.
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संबंधित प्रश्न
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The cell wall of the root cell is a differentially permeable membrane.
Choose the correct answer:
Which one is semi-permeable?
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 guidelines ‘1’ to ‘5’
(ii) Is the root hair cell unicellular or multi-cellular?
(iii) Draw a labeled diagram of the root hair cell as it would appear if some fertilizer is added to the soil close to it.
(iv) Name the process responsible for the entry of water molecules from the soil into A1 and then A2.
(v) What pressure is responsible for the movement of water in the direction indicated by arrows?
(vi) How is this pressure set up?
Name the following:
Water is absorbed from the soil by which part.
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
Name the following:
The solution outside the cell having lower solute concentration than the fluids.
Name the following:
Name the process by which intact plants lose water in the form of droplets.
Describe structure of root hair.
What is the composition of an outer layer of root hair?
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
