Question:
The preservation of cell, tissues and organs of a plant under ultra-low temperature (-196°C) is called
The preservation of cell, tissues and organs of a plant under ultra-low temperature (-196°C) is called
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Cryopreservation:
- Uses liquid nitrogen (-196°C).
- Used for long-term conservation of germplasm.
- Stops all metabolic activities.
- Uses liquid nitrogen (-196°C).
- Used for long-term conservation of germplasm.
- Stops all metabolic activities.
Updated On: Sep 1, 2026
- Hyperbolic preservation
- Liquid preservation
- Hypobolic preservation
- Cryopreservation
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of plant tissue culture and preservation techniques.
Step 2: Detailed Explanation:
Cryopreservation is the process of preserving cells, tissues, or organs at ultra-low temperatures, typically -196°C (liquid nitrogen).
It is used for long-term conservation of plant genetic resources.
The other options are not standard terms in plant preservation.
Hyperbolic preservation (A) and Hypobolic preservation (C) are incorrect terms.
Liquid preservation (B) is not the correct technical term.
Thus, cryopreservation is the correct answer.
Step 3: Final Answer:
Thus, the preservation under ultra-low temperature is called cryopreservation, which corresponds to option (D).
[0.5cm]
This question tests knowledge of plant tissue culture and preservation techniques.
Step 2: Detailed Explanation:
Cryopreservation is the process of preserving cells, tissues, or organs at ultra-low temperatures, typically -196°C (liquid nitrogen).
It is used for long-term conservation of plant genetic resources.
The other options are not standard terms in plant preservation.
Hyperbolic preservation (A) and Hypobolic preservation (C) are incorrect terms.
Liquid preservation (B) is not the correct technical term.
Thus, cryopreservation is the correct answer.
Step 3: Final Answer:
Thus, the preservation under ultra-low temperature is called cryopreservation, which corresponds to option (D).
[0.5cm]
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