This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why do we eat proteins? A) Build/repair tissues. B) Because is good. C) To restore energy. D) Because it burns fats. Show Answer Correct Answer: A) Build/repair tissues. 2. Which statement is true about catabolism? A) Catabolic reactions release energy that can be captured in the form of ATP. B) Catabolism is the synthesis of complex molecules from simpler molecules through hydrolysis. C) Catabolism occurs during protein synthesis. D) An example of a catabolic process is DNA replication. Show Answer Correct Answer: A) Catabolic reactions release energy that can be captured in the form of ATP. 3. What is a square called that we use to sample populations? A) Cube. B) Grid. C) Quadrat. D) Tricep. E) Quarter. Show Answer Correct Answer: C) Quadrat. 4. A light microscope ..... A) Is very old. B) Uses light and has one or more lenses that enlarge an image. C) Has weird buttons. D) Takes a long time to warm up. Show Answer Correct Answer: B) Uses light and has one or more lenses that enlarge an image. 5. The study of plants A) Popcorn. B) Paleontology. C) Meteorology. D) Botany. Show Answer Correct Answer: D) Botany. 6. Which of the following are greenhouse gases? A) Carbon dioxide. B) Methane. C) Water vapor. D) All answers are correct. Show Answer Correct Answer: D) All answers are correct. 7. What do you call ONE species all living in the same environment? A) Ecosystem. B) Population. C) Biome. D) Community. Show Answer Correct Answer: B) Population. 8. Heredity and genetic variation. A) Genetics. B) Biomedicine. C) Palaeontology. D) Biochemistry. Show Answer Correct Answer: A) Genetics. 9. What are pyrimidines in DNA? A) Types of sugars. B) Types of bases. C) Types of base pairs. D) Types of nucleotides. Show Answer Correct Answer: C) Types of base pairs. 10. If I study herpetology IS study ..... A) Plants. B) Fungi. C) Reptiles and amphibians. D) Bacteria. Show Answer Correct Answer: C) Reptiles and amphibians. 11. A freshwater plant is placed in a container of saltwater, What will most likely happen to the cells of the plant? A) They will swell because salt will move into them. B) They will shrink because water will move out of them. C) They will shrink because salt will move out of them. D) They will swell because water will move into them. Show Answer Correct Answer: B) They will shrink because water will move out of them. 12. What is light-dependent? A) ATP. B) Carbon Cycle. C) ETC. D) Calvin Cycle. Show Answer Correct Answer: C) ETC. 13. Which factor will decrease the rate of transpiration? A) Wind. B) Light intensity. C) Temperature. D) Humidity. Show Answer Correct Answer: D) Humidity. 14. Which is a step in the process of producing transgenic bacteria? A) A mutation is produced in a bacterial cell. B) A plasmid is used to replace a faulty gene in a human cell. C) A human gene is inserted into a bacterial plasmid. D) A chain of bacterial amino acids is inserted into human DNA. Show Answer Correct Answer: C) A human gene is inserted into a bacterial plasmid. 15. An element that is abundant in the cell. A) Hidrogen. B) Oxygen. C) Nitrogen. D) Carbon. Show Answer Correct Answer: B) Oxygen. 16. Which life process involves the production of complex substances and molecules? A) Cellular respiration. B) Synthesis & assimilation. C) Nutrition. D) Reproduction. Show Answer Correct Answer: B) Synthesis & assimilation. 17. What is diffusion A) Cell division. B) Passive transport. C) Active transport. D) Cell mutation. Show Answer Correct Answer: B) Passive transport. 18. Crossing over helps promote A) Male genotype. B) DNA replication. C) Genetic variation. D) Mitosis. Show Answer Correct Answer: C) Genetic variation. 19. The ..... is a part of a chromosome that links the sister chromatids or dyads. The spindle fibers attach to it during mitosis ..... is the organelle where all the cell microtubules get organized.They occur only in animal cells. A) Centrosome, centromere. B) Centromere, centrosome. C) Centromere, nucleus. D) None of above. Show Answer Correct Answer: B) Centromere, centrosome. 20. Which life process is necessary for the survival of the species, but not of an individual organism? A) Transport. B) Reproduction. C) Excretion. D) Growth. Show Answer Correct Answer: B) Reproduction. 21. Where does photosynthesis occur? A) Chloroplast. B) Mitochondria. C) Stomata. D) Xylem. Show Answer Correct Answer: A) Chloroplast. 22. A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped? A) Cellular Respiration. B) Photosynthesis. C) Osmosis. D) Protein Synthesis. Show Answer Correct Answer: D) Protein Synthesis. 23. Once the sister chromatids separate they are considered to be individual A) DNA. B) Chromosomes. C) Centromeres. D) Chromatids. Show Answer Correct Answer: B) Chromosomes. 24. Locomotory organs in Nereis A) Arms. B) Setae. C) Jointed legs. D) Parapodia. Show Answer Correct Answer: D) Parapodia. 25. The length of small intestine is maximum in the following animal A) Lion. B) Cow. C) Human. D) Tiger. Show Answer Correct Answer: B) Cow. 26. Flower is used for A) Respiration. B) Reproduction. C) Transpiration. D) None of above. Show Answer Correct Answer: B) Reproduction. 27. How much energy is lost from level to level of the food pyramid? A) 1%. B) 15%. C) 10%. D) 20%. Show Answer Correct Answer: C) 10%. 28. Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ..... A) Xylem. B) Phloem. C) Stomata. D) Chlorophyll. Show Answer Correct Answer: A) Xylem. 29. Which types of organisms are Prokaryotes? A) Bacteria. B) Animals. C) Plants. D) Fungi. Show Answer Correct Answer: A) Bacteria. 30. Put the following actions in order:DNA replicates, cell grows, cell divides, cell prepares for mitosis. A) Cell grows, cell prepares for mitosis, DNA replicates, cell divides. B) DNA replicates, cell prepares for mitosis, cell grows, cell divides. C) Cell grows, DNA replicates, cell prepares for mitosis, cell divides. D) DNA replicates, cell grows, cell prepares for mitosis, cell divides. Show Answer Correct Answer: C) Cell grows, DNA replicates, cell prepares for mitosis, cell divides. 31. The operation of the sodium-potassium "pump" moves: A) Sodium & potassium ions out of the cell. B) Sodium & potassium ions into the cell. C) Sodium ions into the cell & potassium ions out of the cell. D) Sodium ions into the cell & potassium ions out of the cell. Show Answer Correct Answer: C) Sodium ions into the cell & potassium ions out of the cell. 32. How much ATP is generated by complete oxidation of Glucose in the presence of oxygen? A) 34. B) 38. C) 36. D) 40. Show Answer Correct Answer: C) 36. 33. Over generations of time apart on different islands with different food sources, the separated populations of Galapagos finches accumulated genetic differences until each group had different beaks. This is an example of ..... A) Natural selection. B) Adaptation. C) Genetic drift. D) Speciation. Show Answer Correct Answer: D) Speciation. 34. Which of the following is found in eukaryotic cells but NOT prokaryotic cells? A) Mitochondria. B) Ribosomes. C) DNA. D) Cell membrane. Show Answer Correct Answer: A) Mitochondria. 35. Non-living conditions that can influence where plants or animals live e.g. temperature / amount of light A) Biotic factors. B) Mutualism. C) Biological control. D) Abiotic factors. Show Answer Correct Answer: D) Abiotic factors. 36. Which of the following is does not belong in the group? A) Plasmid. B) Cilia. C) Flagellum. D) Cell Wall. Show Answer Correct Answer: D) Cell Wall. 37. 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) Transpiration. D) Active transport. Show Answer Correct Answer: A) Osmosis. 38. If a plant is experiencing chlorosis, it might be deficient in which of the following micronutrients? A) Copper. B) Iron. C) Calcium. D) Boron. Show Answer Correct Answer: A) Copper. 39. What is the cell organelle that contains digestive enzymes to break down unwanted material? A) The vacuole. B) The cytoplasm. C) The mitochondria. D) The lysosomes. Show Answer Correct Answer: D) The lysosomes. 40. ..... is the regulation of an organism's internal environment. A) Homeostasis. B) Metabolism. C) Inference. D) Stimulus. Show Answer Correct Answer: A) Homeostasis. 41. 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. 42. Which of the following structures is found in both prokaryotic and eukaryotic cells? A) Mitochondria. B) Lysosomes. C) Endoplasmic reticulum. D) Ribosomes. Show Answer Correct Answer: D) Ribosomes. 43. Which stage of the cell cycle is MOST critical for ensuring that daughter cells are identical? A) S. B) G2. C) Prophase. D) G1. Show Answer Correct Answer: A) S. 44. 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. 45. Which cells of a leaf undergo the MOST photosynthesis? A) Guard cells. B) Palisade cells. C) Cells in the spongy layer. D) Epidermal cells. Show Answer Correct Answer: B) Palisade cells. 46. 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. 47. The role of the guard cell is to A) Control how much water enters the leaf. B) Control the movement of water vapour & gases. C) Control how much glucose is stored. D) Help control the temperature of the plant. Show Answer Correct Answer: B) Control the movement of water vapour & gases. 48. It is the study of living organisms is relation to other organism and their environment. A) Histology. B) Cytology. C) Physiology. D) Ecology. Show Answer Correct Answer: D) Ecology. 49. 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. 50. Which of the following is NOT a potential problem associated with climate change? A) Destruction of food webs. B) Desertification. C) The melting of ice habitats. D) Extreme growth in species. Show Answer Correct Answer: D) Extreme growth in species. 51. 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. 52. In the carbon cycle, organisms exchange ..... with the atmosphere A) Glucose. B) Oxygen. C) Carbon dioxide. D) Nitrogen. Show Answer Correct Answer: C) Carbon dioxide. 53. 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. 54. 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. 55. 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) Acids. C) Hydrogen bond. D) Mixture. Show Answer Correct Answer: D) Mixture. 56. 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. 57. The pigment known as chlorophyll ..... A) Reflects green wavelengths of light. B) Absorbs most wavelengths of light. C) Puts water vapor into the atmosphere. D) Both reflects green wavelengths of light AND absorbs most other wavelengths of light. Show Answer Correct Answer: D) Both reflects green wavelengths of light AND absorbs most other wavelengths of light. 58. Which life process helps an organism to create energy? A) Reproduction. B) Excretion. C) Growth. D) Cellular respiration. Show Answer Correct Answer: D) Cellular respiration. 59. Which organisms carry out respiration, growth, movement and excretion? A) All animals and all plants. B) Animals only. C) Arthropods and flowering plants only. D) Plants only. Show Answer Correct Answer: A) All animals and all plants. 60. Carbon dioxide enters plant leaves through the ..... A) Xylem. B) Cuticle. C) Stomata. D) Chloroplasts. Show Answer Correct Answer: C) Stomata. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books