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