Seed Science MCQs-27

Seed Science MCQs-27
Multiple Choice Questions (MCQs)
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1. According to Harrington’s temperature rule, if storage temperature decreases from 40°C to 25°C, how will seed longevity change approximately?

 Remain unchanged

 Double once

 Double twice

 Double three times

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

 Auxin

 Abscisic acid

 Gibberellins

 Cytokinin

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

 Storage proteins

 Cell wall cellulose

 Phospholipids of cellular membranes

 Nuclear DNA directly

4. Seed dormancy primarily prevents_______

 Nutrient accumulation

 Premature germination

 Seed maturation

 Seed storage

5. Extremely high temperatures can damage germinating seeds

 True

 False

6. Water uptake during seed germination (imbibition) occurs in _______

 Two phases

 Three phases

 Four phases

 One phase

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

 Seed color

 Seed size

 Seed moisture content

 Seed viability

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

 Radicle protrusion and initiation of seedling growth

 Induction of seed dormancy

 Seed desiccation

 Completion of seed maturation

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

 False

 True

10. Oilseeds store energy mainly as lipids

 o

 o

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Seed Science MCQs-27