Seed Science MCQs-27

Seed Science MCQs-27
Multiple Choice Questions (MCQs)
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1. Water uptake during seed germination (imbibition) occurs in _______

 Three phases

 Four phases

 One phase

 Two phases

2. Seed dormancy primarily prevents_______

 Premature germination

 Nutrient accumulation

 Seed storage

 Seed maturation

3. Seed imbibition occurs even in dead seeds because it is a physical process

 False

 True

4. According to Harrington’s temperature rule, if storage temperature decreases from 40°C to 25°C, how will seed longevity change approximately?

 Double twice

 Remain unchanged

 Double once

 Double three times

5. Reactive oxygen species (ROS) initiate seed aging primarily by damaging ___________

 Nuclear DNA directly

 Storage proteins

 Phospholipids of cellular membranes

 Cell wall cellulose

6. Oilseeds store energy mainly as lipids

 o

 o

7. During germination of cereal seeds, the synthesis of hydrolytic enzymes  in the aleurone layer is primarily stimulated by ______

 Abscisic acid

 Auxin

 Gibberellins

 Cytokinin

8. Germination percentage is commonly used as an indicator of _________

 Seed viability

 Seed size

 Seed color

 Seed moisture content

9. Extremely high temperatures can damage germinating seeds

 True

 False

10. Phase III of the seed imbibition curve is characterized by _________

 Induction of seed dormancy

 Seed desiccation

 Completion of seed maturation

 Radicle protrusion and initiation of seedling growth

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Seed Science MCQs-27