Seed Science MCQs-27

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

 True

 False

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

 False

 True

3. Seed dormancy primarily prevents_______

 Seed storage

 Premature germination

 Seed maturation

 Nutrient accumulation

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

 Gibberellins

 Auxin

 Abscisic acid

 Cytokinin

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

 Nuclear DNA directly

 Storage proteins

 Cell wall cellulose

 Phospholipids of cellular membranes

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

 Three phases

 Two phases

 One phase

 Four phases

7. 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 once

 Double three times

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

 Seed size

 Seed moisture content

 Seed viability

 Seed color

9. 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

10. Oilseeds store energy mainly as lipids

 o

 o

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Seed Science MCQs-27