मराठी

(I) Which Phenomenon Has Been Demonstrated in the Given Figure? (Ii) What is the Solute and What is Solvent in the Above Experiment? - Biology

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प्रश्न

Given below is an experimental demonstration.

(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.

थोडक्यात उत्तर
आकृती

उत्तर

 (i) Diffusion.
(ii) KMnO4 crystals represent the solute and water is solvent.
(iii) The movement of the molecules of a substance from the region of their higher concentration to the region of their lower concentration until a state of equilibrium is achieved in both the regions.
(iv) If a bottle of scent or spirit is opened in one comer of a closed room, its smell can be felt in every part of the room.

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पाठ 3: Absorption by Roots - Diagram Based Questions

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आईसीएसई Biology [English] Class 10
पाठ 3 Absorption by Roots
Diagram Based Questions | Q 13

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संबंधित प्रश्‍न

the exact location of the Lenticels


Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

The root-hairs are suited for absorbing water from the soil because:


What is permeability?

The diagram given below represents a plant cell after being placed in a strong sugar solution. Guidelines 1 to 5 indicate the following:
1. Strong sugar solution
2. Cell wall
3. Protoplasm
4. Large vacuole
5. Nucleus
Study the diagram and answer the questions that follow:
(i) What is the state of the cell shown in the diagram?
(ii) Name the structure which acts as a selectively permeable membrane.
(iii) If the cell had been placed in distilled water instead of strong sugar solution which feature would not have been present?
(iv) If the cell in the diagram possessed chloroplasts where would these be present?
(v) Name any one feature of this plant cell which is not present in animal cells.


What is toxicity ?


The diagram given below represents the result of an experiment conducted on two freshly taken shoots of a green herbaceous plant. The lower ends dip in the water.

(i) What is the aim of the experiment?
(ii) Some parts of the stem in both the shoots have been removed. Name the conducting tissue in shoot A and in shoot B, that has been removed.
(iii) What are the results of this experiment?


Multiple Choice Question:

Water will be absorbed by the root hairs when:


What would happen to the leaves of a plant that transpires more water than its absorption in the roots?


Which part of the root helps in maximum absorption of water and minerals?


Paheli uprooted a rose plant from the soil. Most of the root tips, with root hairs, got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give a reason for your answer.


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