MCQs Botany-33 Posted on October 21, 2025December 3, 2025Author agropublishers 0 MCQs Botany-33 1. Nanomaterials typically have a size range of __________. 1–100 nm Less than 1 nm 100–1000 nm More than 1000 nm 2. Which of the following is a well-known food item primarily made from potatoes? Kimchi Sushi Tacos French fries 3. What is the process of mechanically scratching the seed coat to improve water absorption called ________ Scarification Stratification Dormancy After-ripening 4. What is the outer layer of a pollen grain called? Nucellus Intine Cytoplasm Exine 5. Which part of the onion plant is commonly used in cooking? Bulb Leaf Stem Root 6. “Off-type” in seed certification specifically means __________ Damaged or discolored seeds found in a harvested lot Plants that deviate from the standard morphological characteristics of the certified variety Plants of a different species growing in the seed field Weeds that pose a risk to the crop 7. The ability of an organism to produce different phenotypes (physical traits) in response to different environmental conditions is called ____________ Inability to sense the environment Dependence on external chemicals Phenotypic plasticity Lack of adaptability 8. What is the primary function of pollen? To produce female gametes To produce sperm cells To protect the embryo To facilitate fertilization 9. The primary purpose of the Svalbard Global Seed Vault is to ____________ Develop new crop varieties Facilitate international commercial seed trade Research genetically modified crops Safeguard global crop diversity by storing duplicate seed samples 10. Which of the following correctly represents the two major components of bark in woody stems? Phloem and periderm Cortex and epidermis Xylem and phloem Pith and vascular cambium Loading …
