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1. What is the definition of Phytochemistry? A. The study of chemicals of animal origin B. The study of chemicals of plant origin C. The study of chemicals of mineral origin D. The study of chemicals of synthetic origin Answer: B. The study of chemicals of plant origin 2. Phytochemicals are: A. Nutr...

1. What is the definition of Phytochemistry? A. The study of chemicals of animal origin B. The study of chemicals of plant origin C. The study of chemicals of mineral origin D. The study of chemicals of synthetic origin Answer: B. The study of chemicals of plant origin 2. Phytochemicals are: A. Nutritive plant chemicals B. Non-biological plant chemicals C. Biologically active non-nutritive plant chemicals D. Inactive plant chemicals Answer: C. Biologically active non-nutritive plant chemicals 3. Which of the following is NOT a function of phytochemicals in plants? A. Protecting plants from damages B. Contributing to the plant's color, aroma, and flavor C. Assisting in insect pollination D. Enhancing photosynthesis in plants Answer: D. Enhancing photosynthesis in plants 4. Phytonutrients refer to phytochemicals that: A. Are toxic to humans B. Come from inedible plants C. Have health-promoting bioactive functions D. Are only found in animal products Answer: C. Have health-promoting bioactive functions 5. Primary constituents in plants are directly involved in: A. Reproduction B. Protection from damages C. Normal growth and development D. Assisting in insect pollination Answer: C. Normal growth and development 6. Which metabolic pathway is responsible for the synthesis of C. Mevalonic acid pathway D. Methylerythritol phosphate pathway Answer: A. Shikimic acid pathway 7. Genetic effects and environmental factors can influence the: A. Color of plants B. Taste of plants C. Level of secondary metabolites in plants D. Size of plants Answer: C. Level of secondary metabolites in plants 8. What effect does moisture stress have on the synthesis of secondary metabolites in plants? A. Increases synthesis B. Has no effect C. Reduces synthesis D. Halts synthesis Answer: C. Reduces synthesis 9. How does altitude influence plant life and metabolite content? A. Altitude has no effect on plants B. Altitude changes climate and availability of nutrients C. Altitude increases plant growth D. Altitude decreases plant metabolism Answer: B. Altitude changes climate and availability of nutrients 10. Inert constituents in plants: A. Possess definite therapeutic values B. Increase the therapeutic action of active ingredients C. Are useful as adjuncts in drug formulation D. Cause side effects Answer: C. Are useful as adjuncts in drug formulation 11. Which of the following is NOT an environmental factor affecting the metabolic pathways of medicinal plants? A. Light B. Soil Nutrients 12. The discovery of quinine from Cinchona bark occurred in which century? A. 17th century B. 18th century C. 19th century D. 20th century Answer: C. 19th century 13. Phytochemicals are classified based on: A. Their taste B. Their color C. Their chemical structure D. Their size Answer: C. Their chemical structure 14. Which pathway is responsible for the synthesis of isoprenoids in plants? A. Shikimic acid pathway B. Malonic acid pathway C. Mevalonic acid pathway D. Methylerythritol phosphate pathway Answer: C. Mevalonic acid pathway 15. What is the main function of primary constituents in plants? A. Protecting plants from damages B. Enhancing photosynthesis C. Normal growth, development, and reproduction D. Assisting in insect pollination Answer: C. Normal growth, development, and reproduction 16. How do plants adjust to acclimate to different salt levels in soil? A. By reducing secondary metabolite synthesis B. By increasing primary metabolite synthesis C. By altering their metabolic pathways temperature stress on plant metabolism? A. Physiological changes B. Biochemical changes C. Increase in secondary metabolite concentrations D. Molecular changes Answer: C. Increase in secondary metabolite concentrations 18. What is the main difference between phytochemicals and phytonutrients? A. Phytochemicals are essential for the body, while phytonutrients are not B. Phytonutrients are toxic, while phytochemicals are not C. Phytochemicals are found in animal products, while phytonutrients are not D. Phytonutrients have health-promoting functions, while phytochemicals do not Answer: D. Phytonutrients have health-promoting functions, while phytochemicals do n 19. Which of the following is NOT a factor affecting the metabolic pathways of medicinal plants? A. Ozone B. Salt Stress C. Biotic Stress Factors D. Wind Speed Answer: D. Wind Speed 20. The use of plants as medicines dates back to: A. The 15th century B. Antiquity C. The 20th century D. The 18th century Answer: B. Antiquity