MCQs Plant Breeding and Genetics-45 Posted on 2025-11-03Author admin 0 1. The botanical name of the castor plant is __________ Ricinus communis Ricinus officinalis Ricinus cannabinus Ricinus indica 2. ____________ is predominately cross-pollinated crop Foxtail millet Proso millet Finger millet Pearl millet 3. Cultivated tomato (Solanum lycopersicum) has a diploid chromosome number (2n)= ____________ 48 36 24 42 4. Improper drying, cleaning, or treatment of seeds can lead to__________ Increased seed uniformity Improved germination Enhanced vigor Reduced seed viability and field performance 5. The term “canola” is a combination of ___________ None of these Canola oil, low acid Canadian oil, low acid Canadian oil, light acid 6. Gymnosperms are characterized by seeds that are ____________ Surrounded by a pericarp Enclosed within a fruit Contained within a capsule Naked and not enclosed by an ovary 7. _________ ranks second in global castor production Mozambique China India Brazil 8. What is the main objective of seed sampling? To separate different seed varieties To determine the moisture content of the seed lot To remove weed seeds from the lot To obtain a representative sample of the seed lot for testing 9. Double fertilization is a unique reproductive feature found only in __________ Gymnosperms Pteridophytes Angiosperms Bryophytes 10. Which enzyme is responsible for synthesizing a new strand of DNA during replication? Helicase DNA Ligase RNA Polymerase DNA Polymerase Loading …
