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Absorption By Roots - The Process Involved

Question
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Given below is a diagram of the cell as seen under the microscope after having been placed in a solution.

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(i) What is the technical term used for the state/condition of the cell shown above?

(ii) Give the technical term for the solution in which the cell was placed.

(iii)Name the parts numbered 1 to 4.

(iv)Is the cell given above a plant cell or an animal cell? Give two reasons in support of your answer as evident from the diagram.

(v) What would you do to bring this cell back to its original condition? 

Solution

(i) The cell is said to be plasmolysed.
(ii) Hypertonic solution.
(iii)
1: Nucleus
2: Plastid
3: Vacuole
4: Empty space between the cell wall.
(iv)It is a plant cell. It shows the presence of cell wall and plastids.
(v) The cell has to be placed in a hypotonic solution, so that water will enter the cell by endosmosis and the cell will regain its original condition or shape.

Some More Questions From Absorption By Roots - The Process Involved Chapter

a. The figure given below shows the epidermal cells of an onion bulb. This cell was then transferred to a drop of a sugar solution.

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i. Draw a well labelled diagram of the epidermal cell as it would appear after immersion in a strong sugar solution.

ii. what is the scientific term is used for the changes as shown in (i) above?

iii. What should be done to restore the cell back to its original condition?

iv. Give the scientific term for the recovery of the cell as a result of the step taken in (iii) above

v. Define the term osmosis.

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