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