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