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