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