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