Home › Quizzes › Absorption by Roots - 2

Absorption by Roots - 2

Absorption by Roots - II

15 Questions Published
Play Quiz Practise this topic out loud

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is responsible for guttation in banana leaves?

  1. Root pressure
  2. Osmotic pressure
  3. Wall pressure
  4. Turgor pressure
Question 2 Multiple Choice (Single Answer)

Which of the following provides rigidity to the soft tissues such as leaves?

  1. Flaccidity of cells
  2. Turgidity of cells
  3. Flocudity of cells
  4. Cell membrane of cells
Question 3 Multiple Choice (Single Answer)

Which of the following processes is responsible for opening of stomata?

  1. Movement of solutes into the guard cells
  2. Movement of solutes outside the guard cells
  3. Movement of water into the guard cells
  4. Movement of water outside the guard cells
Question 4 Multiple Choice (Single Answer)

In which of the following cases is plasmolysis not involved?

  1. Addition of salt in pickle to kill bacteria
  2. Salting of meat to kill germs
  3. Killing of weeds by sprinkling salts around their base
  4. Killing of insects in a field using insecticides
Question 5 Multiple Choice (Single Answer)

Which of the following statements is NOT true?

  1. A living selective membrane is essential for active transport.
  2. Diffusion of solutions is a rapid process.
  3. No energy is required for osmosis.
  4. Imbibition is an important force in ascent of sap.
Question 6 Multiple Choice (Single Answer)

Which of the following events takes place when water enters a plasmolysed cell before its death?

  1. Flaccidity
  2. Deplasmolysis
  3. Imbibition
  4. Turgidity
Question 7 Multiple Choice (Single Answer)

Which of the following is not caused by turgidity or turgor pressure?

  1. Cracking of concrete floor by roots of the adjoining trees
  2. Development of root pressure
  3. Rigidity of leaves
  4. Closure of stomata
Question 8 Multiple Choice (Single Answer)

Which of the following statements is NOT true?

  1. Deplasmolysis occurs due to loss of water content of a cell.
  2. Food material is transported through phloem.
  3. Root pressure forces water up through the stem to leaves.
  4. Upward flow of minerals occurs through xylem.
Question 9 Multiple Choice (Single Answer)

Which of the following processes occurs in opposite direction to diffusion?

  1. Endosmosis
  2. Exosmosis
  3. Active transport
  4. Effusion
Question 10 Multiple Choice (Single Answer)

The pressure exerted by the cell contents on the cell wall is called__________.

  1. turgor pressure
  2. wall pressure
  3. osmotic pressure
  4. diffusion pressure
Question 11 Multiple Choice (Single Answer)

On uprooting a plant, which of the following is responsible for wilting of leaves?

  1. Cessation of photosynthesis
  2. Destruction of cell wall
  3. Lysis of cell membrane
  4. Loss of turgidity
Question 12 Multiple Choice (Single Answer)

Match the following:

 
(i) Osmosis (A) Hydrophilic compounds
(ii) Diffusion (B) Water only
(iii) Active transport (C) Rapid in gases
(iv) Imbibition (D) ATP
  1. (i) – (D), (ii) – (A), (iii) – (B), (iv) – (C)
  2. (i) – (B), (ii) – (C), (iii) – (D), (iv) – (A)
  3. (i) – (B), (ii) – (A), (iii) – (D), (iv) – (C)
  4. (i) – (B), (ii) – (C), (iii) – (B), (iv) – (A)
Question 13 Multiple Choice (Single Answer)

Which of the following occurs as a result of endosmosis?

  1. Flaccidity
  2. Shrinkage
  3. Turgidity
  4. Plasmolysis
Question 14 Multiple Choice (Single Answer)

Which of the following statements is NOT true?

  1. Osmosis is a type of diffusion.
  2. Energy is not required for imbibition.
  3. Exosmosis may cause bursting of a cell.
  4. Active transport involves movement of ions or salts.
Question 15 Multiple Choice (Single Answer)

Match the following:

 
(i) Root pressure (A) Salting of meat
(ii) Plasmolysis (B) Guttation
(iii) Xylem (C) Stomata
(iv) Transpiration (D) Water and salt
  1. (i) – (C), (ii) – (A), (iii) – (D), (iv) – (B)
  2. (i) – (B), (ii) – (A), (iii) – (D), (iv) – (C)
  3. (i) – (A), (ii) – (C), (iii) – (D), (iv) – (B)
  4. (i) – (C), (ii) – (D), (iii) – (B), (iv) – (A)
← Back to Quizzes