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