This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 9 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This is the definition for which word:The movement of water molecules from a high concentration of water to a low concentration of water across a partially permeable membrane. A) Osmosis. B) Diffusion. C) Active transport. D) Transpiration. Show Answer Correct Answer: A) Osmosis. 2. If a plant is experiencing chlorosis, it might be deficient in which of the following micronutrients? A) Calcium. B) Copper. C) Iron. D) Boron. Show Answer Correct Answer: B) Copper. 3. What is the cell organelle that contains digestive enzymes to break down unwanted material? A) The cytoplasm. B) The lysosomes. C) The vacuole. D) The mitochondria. Show Answer Correct Answer: B) The lysosomes. 4. ..... is the regulation of an organism's internal environment. A) Homeostasis. B) Metabolism. C) Stimulus. D) Inference. Show Answer Correct Answer: A) Homeostasis. 5. In order for something to be considered a living organism, it must display ..... of the eight characteristics of living things. A) All. B) Some. C) One. D) More than half. Show Answer Correct Answer: A) All. 6. Which of the following structures is found in both prokaryotic and eukaryotic cells? A) Mitochondria. B) Ribosomes. C) Lysosomes. D) Endoplasmic reticulum. Show Answer Correct Answer: B) Ribosomes. 7. Which stage of the cell cycle is MOST critical for ensuring that daughter cells are identical? A) G1. B) S. C) Prophase. D) G2. Show Answer Correct Answer: B) S. 8. A well-written hypothesis ..... A) Is a statement, not a question. B) Is written in present tense. C) Shows cause and effect. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. Which cells of a leaf undergo the MOST photosynthesis? A) Guard cells. B) Palisade cells. C) Epidermal cells. D) Cells in the spongy layer. Show Answer Correct Answer: B) Palisade cells. 10. NaCl is isotonic to red blood cells. Which of these describes what will happen if a technician misplaces a decimal point and makes 9.0% NaCl solution instead and administers it to a patient? A) The cells exposed to the solution will burst. B) The cells exposed to the solution will shrink. C) The cells will remain the same size. D) The cells exposed to the solution will expand but not burst. Show Answer Correct Answer: B) The cells exposed to the solution will shrink. 11. The role of the guard cell is to A) Help control the temperature of the plant. B) Control how much water enters the leaf. C) Control how much glucose is stored. D) Control the movement of water vapour & gases. Show Answer Correct Answer: D) Control the movement of water vapour & gases. 12. It is the study of living organisms is relation to other organism and their environment. A) Cytology. B) Ecology. C) Histology. D) Physiology. Show Answer Correct Answer: B) Ecology. 13. Which of the following are involved in starting flowering? I. the length of continuous darknessII. the length of continuous lightIII. activation of specific genes A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: B) I and III only. 14. Which of the following is NOT a potential problem associated with climate change? A) The melting of ice habitats. B) Desertification. C) Extreme growth in species. D) Destruction of food webs. Show Answer Correct Answer: C) Extreme growth in species. 15. The scientific name for an organism is made from the: A) Class and family name. B) Genus and species name. C) Domain and kingdom name. D) Kingdom and phylum name. Show Answer Correct Answer: B) Genus and species name. 16. In the carbon cycle, organisms exchange ..... with the atmosphere A) Glucose. B) Carbon dioxide. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: B) Carbon dioxide. 17. What is a characterstic of living things? A) They remain the same from birth to adulthood. B) They maintain a steady internal enviornment. C) They do not respond to other organisms. D) None of above. Show Answer Correct Answer: B) They maintain a steady internal enviornment. 18. Which list represents the levels of organization from simplest to the most complex? A) Cell, tissue, organism, organ system, organ. B) Organ system, organ, tissue, cell, organism. C) Cell, tissue, organ, organ system, organism. D) None of above. Show Answer Correct Answer: C) Cell, tissue, organ, organ system, organism. 19. Fill in the blank . A ..... is a material composed of two or more elements or compounds that are physically mixed together but not chemically combined. A) Solution. B) Mixture. C) Acids. D) Hydrogen bond. Show Answer Correct Answer: B) Mixture. 20. The building blocks of DNA & RNA consisting of a five-carbon sugar, a phosphate group, and a nitrogen-containing base. A) Genetics. B) Replication. C) Nucleotides. D) None of above. Show Answer Correct Answer: C) Nucleotides. ← PreviousNext →Related QuizzesScience QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books