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