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Absorption By Roots - The Process Involved
Differentiate between the following pairs on the basis of what is mentioned within brackets:
i. Diffusion and osmosis (Definition)
| Diffusion | Osmosis |
|
Diffusion is the process of flow of substance (solvent, solute or gaseous molecules from their higher concentration to the region of their lower concentration, when the two are in direct contact. |
Osmosis is the process of the movement of the solvent molecule from the region of its higher concentration to the region of its lower concentration through a semi-permeable membrane. |
Some More Questions From Absorption By Roots - The Process Involved Chapter
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.
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
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
Guttation
Give biological reasons for the following:
Wooden frames of doors get jammed during the monsoon season.
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.
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 __________.
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)
within brackets:
i. Diffusion and Osmosis (Definition)
Explain the following terms:
Turgor pressure
Turgor pressure
Give the exact location of the following:
(v) Hydathodes
(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:
form of the statement by changing the first or last word only:
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Mock Test Series
Mock Test Series