This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 19 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of nitrogen in plant growth? A) Increases disease resistance. B) Makes seeds. C) Produces a healthy green color. D) Decrease of growth. Show Answer Correct Answer: C) Produces a healthy green color. 2. Prokaryotic and eukaryotic cells have many differences, but they also share some common features. Which of the following may be found in either type of cell? A) Golgi bodies. B) Ribosomes. C) Mitochondria. D) Nucleus. Show Answer Correct Answer: B) Ribosomes. 3. Which of the following would be the appropriate response when the body's internal temperature drops below homeostasis? A) Sweating. B) Throwing up. C) Shivering. D) Death. Show Answer Correct Answer: C) Shivering. 4. Plants perform photosynthesis through this organelle. It captures energy from the sun and uses it to produce food for the cell. A) Cytoplasm. B) Chloroplasts. C) Cell Wall. D) Nucleus. Show Answer Correct Answer: B) Chloroplasts. 5. The MOST important factor influencing trees losing their leaves is ..... A) The amount of moisture available to the tree. B) Falling temperatures. C) The amount of sunlight available per day. D) The genetic or "biological" clock. Show Answer Correct Answer: C) The amount of sunlight available per day. 6. At night, moths travel toward light. Which type of behavior does this describe? A) Habituation. B) Imprinting. C) Innate behavior. D) Learned behavior. Show Answer Correct Answer: C) Innate behavior. 7. Why does the energy needed by a human increase during the first ten years of life? A) The body is growing. B) The diet is more balanced. C) Energy is needed for gamete formation. D) Coordination and responses improve. Show Answer Correct Answer: A) The body is growing. 8. Metabolism is best defined as: A) A chemical reaction. B) The web of all enzyme-catalyzed reactions in a cell or organism. C) The web of all chemical reactions in a cell or organism. D) The web of all endergonic reactions in a cell or organism. Show Answer Correct Answer: B) The web of all enzyme-catalyzed reactions in a cell or organism. 9. Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas. A) Asexual. B) Sexual. C) Division. D) Addition. Show Answer Correct Answer: A) Asexual. 10. What is the study of plants called? A) Biology. B) Botany. C) Physiology. D) Zoology. Show Answer Correct Answer: B) Botany. 11. The cell spends most of it's life in ..... A) Mitosis. B) Cytokinesis. C) Interphase. D) None of the above. Show Answer Correct Answer: C) Interphase. 12. The living components of an ecosystem A) Abiotic factors. B) Biotic factors. C) Predator-prey. D) Parasitism. Show Answer Correct Answer: B) Biotic factors. 13. Which statement best compares aerobic and anaerobic respiration? A) Less ATP is generated during anaerobic respiration than during aerobic respiration. B) More water is generated during anaerobic respiration than during aerobic respiration. C) More oxygen is generated during anaerobic respiration than during aerobic respiration. D) Less lactic acid is generated during anaerobic respiration than during aerobic respiration. Show Answer Correct Answer: A) Less ATP is generated during anaerobic respiration than during aerobic respiration. 14. Waterproofs, insulates, and stores energy long-term A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 15. Air Pollution: A) Smoke and harmful gases. B) Littering and dumping illegally on the ground. C) Water, soil, minerals, wildlife, forests, etc. D) Where something exists or lives. Show Answer Correct Answer: A) Smoke and harmful gases. 16. Which of the following performs alcohol fermentation? A) Bacteria. B) Yeast. C) Plants. D) All of the above. Show Answer Correct Answer: B) Yeast. 17. The central vein is also called ..... A) Midbrib. B) Margin. C) Apex. D) Base. Show Answer Correct Answer: A) Midbrib. 18. What is an Endoskeleton A) A structure that is inside an organism. B) A structure that is on the outside of an organism. C) Protects insects. D) Provides an ant with armor. Show Answer Correct Answer: A) A structure that is inside an organism. 19. Organisms that cannot make their own food and must obtain energy from external sources are called A) Autotrophs. B) Heterotrophs. C) Thylakoids. D) Plants. Show Answer Correct Answer: B) Heterotrophs. 20. What is the largest geographic area that contains all ecosystems on earth called A) Biome. B) Biosphere. C) Ecosystem. D) Environment. Show Answer Correct Answer: B) Biosphere. ← PreviousNext →Related QuizzesScience QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books