Question:
Seed viability can be tested by
Seed viability can be tested by
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Remember seed viability tests:
- Germination test: Direct, reliable, time-consuming
- Tetrazolium test: Quick, biochemical, reliable
- Excised embryo test: For dormant seeds
- X-ray test: Detects empty seeds
- Float test: Quick but less reliable
Tetrazolium test is most commonly used for quick viability assessment.
- Germination test: Direct, reliable, time-consuming
- Tetrazolium test: Quick, biochemical, reliable
- Excised embryo test: For dormant seeds
- X-ray test: Detects empty seeds
- Float test: Quick but less reliable
Tetrazolium test is most commonly used for quick viability assessment.
Updated On: Aug 19, 2026
- Germination test
- Excised embryo test
- Tetrazolium test
- Either of 1, 2 or 3
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
This question tests knowledge of seed viability testing methods.
Step 2: Detailed Explanation:
Seed viability can be tested using multiple methods:
- Germination test: Direct method, seeds are germinated under controlled conditions.
- Excised embryo test: Embryo is removed and tested for growth.
- Tetrazolium test: Quick test using TTC (2,3,5-triphenyl tetrazolium chloride).
All three methods are valid for testing seed viability.
Method details:
- Germination test: Most reliable but time-consuming (requires 7-30 days).
- Excised embryo test: Used for dormant seeds.
- Tetrazolium test: Quick test (24-48 hours), based on dehydrogenase activity.
Thus, any of these methods can be used to test seed viability.
Step 3: Final Answer:
Thus, seed viability can be tested by either germination test, excised embryo test, or tetrazolium test, which corresponds to option (D).
[0.5cm]
This question tests knowledge of seed viability testing methods.
Step 2: Detailed Explanation:
Seed viability can be tested using multiple methods:
- Germination test: Direct method, seeds are germinated under controlled conditions.
- Excised embryo test: Embryo is removed and tested for growth.
- Tetrazolium test: Quick test using TTC (2,3,5-triphenyl tetrazolium chloride).
All three methods are valid for testing seed viability.
Method details:
- Germination test: Most reliable but time-consuming (requires 7-30 days).
- Excised embryo test: Used for dormant seeds.
- Tetrazolium test: Quick test (24-48 hours), based on dehydrogenase activity.
Thus, any of these methods can be used to test seed viability.
Step 3: Final Answer:
Thus, seed viability can be tested by either germination test, excised embryo test, or tetrazolium test, which corresponds to option (D).
[0.5cm]
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