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 _______

 One phase

 Three phases

 Four phases

 Two phases

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

 Double twice

 Double once

 Double three times

 Remain unchanged

3. Seed dormancy primarily prevents_______

 Nutrient accumulation

 Seed maturation

 Premature germination

 Seed storage

4. Oilseeds store energy mainly as lipids

 o

 o

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

 Induction of seed dormancy

 Seed desiccation

 Radicle protrusion and initiation of seedling growth

 Completion of seed maturation

6. Extremely high temperatures can damage germinating seeds

 False

 True

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

 Seed size

 Seed moisture content

 Seed viability

 Seed color

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

 Storage proteins

 Nuclear DNA directly

 Cell wall cellulose

 Phospholipids of cellular membranes

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

 True

 False

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

 Gibberellins

 Abscisic acid

 Cytokinin

 Auxin

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Seed Science MCQs-27