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