Seed Science MCQs-27

Seed Science MCQs-27
Multiple Choice Questions (MCQs)
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1. Extremely high temperatures can damage germinating seeds

 False

 True

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

 False

 True

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

 Storage proteins

 Phospholipids of cellular membranes

 Nuclear DNA directly

 Cell wall cellulose

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

 Seed viability

 Seed size

 Seed moisture content

 Seed color

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

 Auxin

 Abscisic acid

 Gibberellins

 Cytokinin

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

 Four phases

 Two phases

 One phase

 Three phases

7. Seed dormancy primarily prevents_______

 Premature germination

 Nutrient accumulation

 Seed storage

 Seed maturation

8. 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 twice

 Double three times

 Double once

9. Oilseeds store energy mainly as lipids

 o

 o

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

 Induction of seed dormancy

 Radicle protrusion and initiation of seedling growth

 Seed desiccation

 Completion of seed maturation

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Seed Science MCQs-27