Plant Breeding MCQs 49 Best Questions

Plant Breeding MCQs 49

Plant Breeding MCQs 49

Q1. Foundation seed contains genetic purity%?

• 97%
• 96%
• 99.5%
• 98%

Q2. Removal of off types is referred to as?

• Isolation distance
• Roughing
• Emasculation
• None of the Above

The existence of off type plants is another source of genetic contamination. Removal of off types is referred to as roughing.

Q3. Grow-out Test is used for?

• Physical purity
• Genetic purity
• Chemical purity
• None of the Above

Varieties that are grown for seed production should be periodically tested for genetic purity by conducting GOT to make sure that they are being maintained in true form.

Q4. This is the progeny of the nucleus seed multiplied in large area under the supervision of plant breeder and monitored by a committee?

• Truthful seed
• Certified seed
• Foundation seed
• Breeder seed
• Nucleus seed

Q5. The sum total of all seed attributes that give effective plant stand in the field is known as?

• Seed vigour
• Seed viability
• Seed germination
• Physical purity

Q6. Seed should be stored at safe moisture levels of?

• 14-15%
• 16%
• 13-15%
• 11-13%

Q7. It is the progeny of single self-fertilized homozygous plant. This line is known as?

• Inbreed
• Pure line
• Single cross
• double cross

Q8. The cross used for to estimate the GCA of the inbred line crossed with OPV?

• Three way cross
• Double cross
• Top cross
• Single cross

Q9. Burr Learning Hybrid is a hybrid of which crop?

• Paddy
• Wheat
• Barley
• Maize

Q10. Texas Cytoplasm is source of cytoplasm of maize crop which is susceptible to?

• Downy mildew
• Tursicum leaf blight
• Stem rot
• Powdery mildew

Plant Breeding MCQs 49

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