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Absorption By Roots - The Process Involved
a. Differentiate between the following pairs on the basis of what is mentioned within brackets:
Turgor pressure and wall pressure (Explain)
Turgor pressure is the pressure applied by the cell content on the cell membrane when cell is turgid
Wall pressure – is the pressure applied by the cell membrane on the cell content.
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Give the biological/technical terms for the following:
A solution in which the relative concentration of water molecules and the solute on either side of the cell membrane is the same.
Given below are five groups of terms. In each group, arrange and rewrite the terms in the correct order so as to be in a logical sequence.
For example,
Question: Implantation, Parturition, Ovulation, Gestation, Fertilisation.
Answer: Ovulation, Fertilisation. Implantation. Gestation, Parturition.
Endodermis, Cortex. Soli water, Xylem, Root hair
Briefly explain the following terms:
Guttation
Give biological reasons for the following:
Wooden frames of doors get jammed during the monsoon season.
Name the following:
i. The process of uptake of mineral ions against the concentration gradient using energy from cell.
Rewrite and complete the following sentences by inserting the correct word
in the space indicated:
The phenomenon of loss of water through a cut stem or injured part of plant is
called __________.
Differentiate between the following pairs on the basis of what is mentioned
within brackets:
i. Diffusion and Osmosis (Definition)
Explain the following terms:
Turgor pressure
Give the exact location of the following:
(v) Hydathodes
State whether the following statements are true or false. If false, rewrite the correct
form of the statement by changing the first or last word only:
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