Imbibition

Q. Which is not a characteristic of imbibition?

1. It is a reversible phenomenon
2. It involves diffusion
3. Involves adsorption
4. It is a property of hydrophobic colloids

Q. During favourable condition the encysted amoeba
divides by multiple fission and produces pseudopodio-
spores. This phenomenon is known as

1. Fragmentation
   
2. Sporulation
   
3. Regeneration
   
4. Budding
   

Q.

The process by which water is absorbed by solids such as colloids causing them to increase in volume is called

1. Imbibition

2. Plasmolysis

3. Diffusion

4. Osmosis

Q. Gum swells in water due to

1. imbibition
2. diffusion
3. endosmosis
4. turgidity

Q. The practice of breaking rocks during rainy season by inserting wooden pegs into their crevices is due to

1. imbibition pressure
2. turgor pressure
3. osmotic pressure
4. wall pressure

Q. Name the phenomenon by which raisins placed in water swell up.

Q. A wooden peg inserted in a rock causes its breaking during the rainy season. It is due to the development of

1. osmotic pressure
2. imbibition pressure
3. turgor pressure
4. plasmolysis

Q. What is imbibition?

Q.

During rainy season wooden doors are difficult to open or close because of

1. Osmosis

2. Diffusion

3. Plasmolysis

4. Imbibition

Q. Which of the following plant material is an effective imbibant?

1. Reserve food material in plants
2. Pectin
3. Phycocolloid obtained from red algae
4. Most abundant organic material in biosphere

Q. Gum swells in water due to

1. imbibition
2. diffusion
3. endosmosis
4. turgidity

Q. In the thistle funnel experiment, the energy necessary for the solution to stop osmosis is provided by

1. Hydrostatic pressure developed in the contents of beaker

2. Wall of the beaker which exert pressure on water

3. Hydrostatic pressure developed in the solution due to presence of solute

4. Hydrostatic pressure developed in the solution due to rise in the level of solution

Q. Which one of the following is not associated with ascent of sap in tall trees.

1. Continuity of water column

2. Transpiration pull

3. Pressure in tracheary elements.

4. Cohesion and adhesion of water molecules

Q. Define : Tyndall effect / Brownian movement / Imbibition / Diffusion / DPD / Osmosis / Hypertonic solution / Hypotonic solution / Isotonic solution / Plasmolysis / Osmotic pressure / Turgor pressure / Wall pressure / Water potential / Permeability.

Q.

Explain the following terms.

Imbibition.

Q. The newly formed wood can swell up due to

1. imbibition
2. transpiration
3. guttation
4. plasmolysis

Q. Identify the process taking place in this experiment–

1. Ringing experiment for translocation of sap
2. Demonstration of root pressure
3. Eosin test to demonstrate ascent of sap
4. None of the above

Q. A test tube filled with previously moistened Bengal gram seeds and water was closed tightly and kept in a corner. The test tube broke suddenly after a few hours. The phenomenon involved is _____.

1. diffusion
2. osmosis
3. imbibition
4. capillary action

Q. Fill in the blanks by using appropriate words
$\left(ii\right)$ Absorption of water by the plant cells through surface attraction is called

Q. Differentiate between endosmosis and exosmosis.

Q.

Is Concrete Stiffer Than Steel?

Q.

Is guttation affected by root pressure?

Q. Assertion :Plant roots absorb water from soil colloids. Reason: Hygroscopic water is held by soil colloids.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Choose the correct option from the following options-

The practice of breaking rocks during the rainy season by inserting wooden pegs in them is based on the phenomenon of-

1. Imbibition pressure

2. Turgor pressure

3. Osmotic pressure

4. Wall pressure

Q. Passive absorption of mineral salts is not dependent on

1. Ionic exchange
2. Diffusion
3. Osmosis
4. Turgor pressure

Q. Explain capillarity theory given by Boehm for ascent of sap.

Q.

Fresh grapes shall shrink when they are placed in

1. Starch water

2. Concentrated salt solution

3. Hot water

4. Cold water

Q. Select the incorrect statement regarding imbibition.

1. Imbibition is the phenomenon of adsorption of water or any other liquid without forming solution
2. There occurs a decrease in volume of imbibant during imbibition
3. Water is absorbed by germinating seeds through imbibition
4. The liquid which is imbibed is called as imbibate

Q.

Which of the following is an example of imbibition?

1. Exchange of gases in stomata.

2. Opening of stomata.

3. Uptake of water by root hair.

4. Swelling of seed when put in soil.

Q. Which is not a characteristic of imbibition?

1. It is a reversible phenomenon
2. It involves diffusion
3. Involves adsorption
4. It is a property of hydrophobic colloids