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Which of the following statements are true?
(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes.
(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential.
(C) The symplastic movement occurs from cell to cell through the plasmodesmata.
(D) Membrane permeability depends on membrane composition and the chemical nature of the solute.
(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes.
(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential.
(C) The symplastic movement occurs from cell to cell through the plasmodesmata.
(D) Membrane permeability depends on membrane composition and the chemical nature of the solute.
- a)A, B and D only
- b)B and D only
- c)A and B only
- d)A, C and D only
Correct answer is option 'D'. Can you explain this answer?
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Which of the following statements are true?(A) The apoplastic movement...
Ya D is right because only Opt. B is wrong.As solute decreases the water potential.
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Which of the following statements are true?(A) The apoplastic movement...
The correct answer is option D - A, C, and D only. Let's explain each statement in detail:
(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes:
This statement is true. The apoplast is the extracellular space in plant tissues that includes the cell walls. Water can move through this space by capillary action and does not need to cross any membranes.
(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential:
This statement is false. Solutes actually decrease the free energy of water or water potential. When solutes are present, the potential energy of water molecules is reduced due to the interactions between water and solute molecules. This reduction in water potential is responsible for the movement of water from a region of higher water potential to a region of lower water potential.
(C) The symplastic movement occurs from cell to cell through the plasmodesmata:
This statement is true. The symplast refers to the interconnected network of cytoplasm within plant cells. The movement of substances through the symplast occurs via plasmodesmata, which are microscopic channels that traverse the cell walls and connect the cytoplasm of adjacent cells. These channels allow for direct communication and transport of molecules between cells.
(D) Membrane permeability depends on membrane composition and the chemical nature of the solute:
This statement is true. The permeability of a membrane is determined by its composition and the nature of the solute trying to cross it. Lipid membranes are selectively permeable, meaning they allow certain molecules to pass through while restricting others based on size, charge, and solubility. Additionally, specific transport proteins embedded in the membrane can facilitate the movement of specific solutes across the membrane.
In summary, statements A, C, and D are true, while statement B is false.
(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes:
This statement is true. The apoplast is the extracellular space in plant tissues that includes the cell walls. Water can move through this space by capillary action and does not need to cross any membranes.
(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential:
This statement is false. Solutes actually decrease the free energy of water or water potential. When solutes are present, the potential energy of water molecules is reduced due to the interactions between water and solute molecules. This reduction in water potential is responsible for the movement of water from a region of higher water potential to a region of lower water potential.
(C) The symplastic movement occurs from cell to cell through the plasmodesmata:
This statement is true. The symplast refers to the interconnected network of cytoplasm within plant cells. The movement of substances through the symplast occurs via plasmodesmata, which are microscopic channels that traverse the cell walls and connect the cytoplasm of adjacent cells. These channels allow for direct communication and transport of molecules between cells.
(D) Membrane permeability depends on membrane composition and the chemical nature of the solute:
This statement is true. The permeability of a membrane is determined by its composition and the nature of the solute trying to cross it. Lipid membranes are selectively permeable, meaning they allow certain molecules to pass through while restricting others based on size, charge, and solubility. Additionally, specific transport proteins embedded in the membrane can facilitate the movement of specific solutes across the membrane.
In summary, statements A, C, and D are true, while statement B is false.
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Which of the following statements are true?(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes.(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential.(C) The symplastic movement occurs from cell to cell through the plasmodesmata.(D) Membrane permeability depends on membrane composition and the chemical nature of the solute.a)A, B and D onlyb)B and D onlyc)A and B onlyd)A, C and D onlyCorrect answer is option 'D'. Can you explain this answer?
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Which of the following statements are true?(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes.(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential.(C) The symplastic movement occurs from cell to cell through the plasmodesmata.(D) Membrane permeability depends on membrane composition and the chemical nature of the solute.a)A, B and D onlyb)B and D onlyc)A and B onlyd)A, C and D onlyCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements are true?(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes.(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential.(C) The symplastic movement occurs from cell to cell through the plasmodesmata.(D) Membrane permeability depends on membrane composition and the chemical nature of the solute.a)A, B and D onlyb)B and D onlyc)A and B onlyd)A, C and D onlyCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements are true?(A) The apoplastic movement of water occurs exclusively through the cell wall without crossing any membranes.(B) Solutes present in a cell (or in any solution) increase the free energy of water or water potential.(C) The symplastic movement occurs from cell to cell through the plasmodesmata.(D) Membrane permeability depends on membrane composition and the chemical nature of the solute.a)A, B and D onlyb)B and D onlyc)A and B onlyd)A, C and D onlyCorrect answer is option 'D'. Can you explain this answer?.
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