Question: Progeny of nucleus seed is called__________________?

• 1. Foundation seed
• 2. Breeder seed
• 3. Certified seed
• 4. Registered seed

Question: Seed dormancy of nee seeds can be successfully broken by heat treatment at________________?

• 1. 50°c for 3-7 days
• 2. 45°c for 3-8 days
• 3. 54°c for 2-6 days
• 4. None of the above

Question: Abnormal seeding growth in rice may be due to_________________?

• 1. Intrinsic Mechanism
• 2. Lack of integrity in seed cells
• 3. Endogenous inhibitors
• 4. Al the above

Question: Abnormal seeding growth in rice is more closely related, with______________?

• 1. IID grains
• 2. LD grains
• 3. Both a & b
• 4. None of the above

Question: The potential means of enhancing productivity is_________________?

• 1. Quality of seeds
• 2. Quantity of seeds
• 3. Seed density
• 4. All the above

Question: Electrolytes leakage is found greater in______________?

• 1. HD grains
• 2. LD grains
• 3. All the above
• 4. non of these

Question: Use of linear measurements of plumule growth as a vigour test was first suggested by_______________?

• 1. Woodstock (1976)
• 2. Germ (1949)
• 3. Baskin (1972)
• 4. Maguire (1962)

Question: Seed leachate conductivity is significantly higher in seeds having_________________?

• 1. Higher shoot weight
• 2. Lower shoot weight
• 3. Higher root weight
• 4. None of the above

Question: Air contains___________________?

• 1. 70% nitrogen
• 2. 50% nitrogen
• 3. 78% nitrogen
• 4. None of the above

Question: The oxygen concentration in the air is________________?

• 1. 30%
• 2. 21%
• 3. 16%
• 4. 45%