This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Only ..... % of energy gets passed on from one trophic level to the next A) 90%. B) 5%. C) 26%. D) 10%. Show Answer Correct Answer: D) 10%. 2. Which gas will enhance the greenhouse effect if released into the atmosphere? A) Hydrogen. B) Oxide of nitrogen. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: B) Oxide of nitrogen. 3. What can be used to promote off-season flowering in long-day plants? A) Close blinds at the end of the night to delay the start of the light period. B) Interrupt the day with a period of darkness. C) Extend the cycle of light and dark to more than 24 hours. D) Turn on the lights during the night for a brief period. Show Answer Correct Answer: D) Turn on the lights during the night for a brief period. 4. What is the function of pulmonary circulation? A) To deliver blood to all parts of the body. B) To deliver blood to lungs. C) To deliver blood to all parts of the body except the lungs. D) To deliver blood to body cells. Show Answer Correct Answer: B) To deliver blood to lungs. 5. Simple squamous cells are found lining the alveoli of the lungs due to being small and flat, what is likely their function? A) Diffusion. B) Secretion. C) Absorption. D) Fight infection. Show Answer Correct Answer: A) Diffusion. 6. The most abundant bio element in the protoplasm is A) Nitrogen. B) Carbon. C) Hydrogen. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 7. In the reactions of photosynthesis, simple sugar molecules are manufactured in the A) Vacuoles. B) Stomates. C) Mitochondria. D) Chloroplasts. Show Answer Correct Answer: D) Chloroplasts. 8. Which one of the items below is a living thing? A) Textbook. B) PS4. C) Paper. D) Plant. Show Answer Correct Answer: D) Plant. 9. What structure carries that amino acid to the ribosome? A) MRNA. B) TRNA. C) DNA. D) RRNA. Show Answer Correct Answer: B) TRNA. 10. Tumors may proliferate and form new tumors by entering blood vessels and lymph vessels, this spread of cancer is called A) Benign. B) Malignant. C) Metastasis. D) None of above. Show Answer Correct Answer: C) Metastasis. 11. Which of the following are responsible for transpiration? I. adhesionII. cohesionIII. evaporationIV. active transport A) I and II only. B) I, II and III only. C) I, and III only. D) I, II, III and IV. Show Answer Correct Answer: B) I, II and III only. 12. WHO SAID VIRUS MEANS POISONOUS FLUID A) W M STANLEY. B) PASTEUR. C) M BEIJERINEK. D) D J IVANOWSKY. Show Answer Correct Answer: B) PASTEUR. 13. What is Transcription? A) The making DNA segment.from mRNA. B) The making of an RNA strand into a protein. C) The making of an mRNA strand from the DNA template. D) None of above. Show Answer Correct Answer: C) The making of an mRNA strand from the DNA template. 14. Mode of nutrition in green plants is A) Autotrophic. B) Parasitic. C) Saprotrophic. D) Heterotrophic. Show Answer Correct Answer: A) Autotrophic. 15. A stimulus is ..... A) A change in an organisms surroundings that causes a reaction. B) The result of sexual reproduction. C) A reaction to a change in surroundings. D) Process in which organisms grow larger. Show Answer Correct Answer: A) A change in an organisms surroundings that causes a reaction. 16. If the concentration of Greenhouse Gases rises, then ..... A) More water vapor will be retained. B) More heat will be retained. C) More heat will be released. D) More nitrogen will be released. Show Answer Correct Answer: B) More heat will be retained. 17. Every organism needs this in order to function? A) Energy. B) Organization. C) Adaptation. D) Organization. Show Answer Correct Answer: A) Energy. 18. Why do plants need to open stomata? I. To get rid of excess CO2II. To allow transpirationIII. To exchange gases with the environment A) I only. B) I and II only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 19. Which of these problems can be caused by air pollution? A) Decrease in global temperatures. B) Respiratory problems. C) Reduced food sources for humans. D) Increased disease for humans. Show Answer Correct Answer: B) Respiratory problems. 20. Structure and function of cells. A) Morphology. B) Cytology. C) Anatomy. D) Biochemistry. Show Answer Correct Answer: B) Cytology. 21. What compound in the blood can act as an indicator of the risk of coronary heart disease. A) Water. B) Na+. C) Cholesterol. D) Jam. Show Answer Correct Answer: C) Cholesterol. 22. Which of the following are true of phloem tissue? I. plasmodesmata separate each sieve elementII. companion cells contain many mitochondria for active transportIII. the lumen of sieve elements has no organelles A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 23. Which characteristic do all living organisms show? A) Tropism. B) Photosynthesis. C) Excretion. D) Breathing. Show Answer Correct Answer: C) Excretion. 24. What macromolecule is made up of waxes, oils and fats? A) Protein. B) Lipid. C) Nucleic acid. D) Carbohydrate. Show Answer Correct Answer: B) Lipid. 25. The ozone layer is damaged by A) CFCs. B) Increase in greenhouse gases. C) Increased global temperatures. D) Sulfuric and nitric acids. Show Answer Correct Answer: A) CFCs. 26. Enzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means? A) Increasing the concentration of reactants. B) Reducing the activation energy. C) Increasing the temperature of the cell. D) Reducing the number of products. Show Answer Correct Answer: B) Reducing the activation energy. 27. Which of the following is not involved in causing a plant shoot to bend towards unidirectional light? A) Cell elongation. B) Cell division. C) The shoot tip. D) Auxin. Show Answer Correct Answer: B) Cell division. 28. Muscular tube that connects the mouth to the stomach A) Peristalsis. B) Stomach. C) Epiglottis. D) Esophagus. Show Answer Correct Answer: D) Esophagus. 29. What is a potential consequence of the rise in global temperatures on the Arctic ecosystem? A) Increase in the ice habitat available to polar bears. B) Increased rate of decomposition of detritus. C) Increased exposure to UV light. D) Decreased success of pest species. Show Answer Correct Answer: B) Increased rate of decomposition of detritus. 30. The basic unit of life is called a (n) A) Atom. B) Cell. C) Compound. D) Energy. Show Answer Correct Answer: B) Cell. 31. Which factor most affects the order of amino acids in a protein? A) The DNA located in the nucleus of the cell. B) The area in a cell where proteins are produced. C) The cell in which the protein is located. D) The amount of ATP available for the cell's use. Show Answer Correct Answer: A) The DNA located in the nucleus of the cell. 32. ..... means to use something again. A) Reduce. B) Reuse. C) Recycle. D) None of above. Show Answer Correct Answer: B) Reuse. 33. Which of the following are roles of the hepatic portal vein? I. carries nutrient-rich blood to the liver from the intestineII. prevents glucose from entering the general circulation immediatelyIII. supplies the liver with oxygenated blood for aerobic respiration A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: A) I and II only. 34. What is found in dark places, the bottom of the Oceans, in Ravines, and other places without Sunlight? A) Reece Jacob. B) Photoautotrophs. C) Chemoautotrophs. D) Heterotrophs. Show Answer Correct Answer: C) Chemoautotrophs. 35. The main function of chloroplasts is: A) To control what enters and leaves the cell. B) To break down food to release energy for the cell. C) To control all activities of the cell. D) To produce food for the cell using the sun's energy. Show Answer Correct Answer: D) To produce food for the cell using the sun's energy. 36. This part of the alimentary canal is called sight of complete digestion A) Stomach. B) Small intestine. C) Large intestine. D) Mouth. Show Answer Correct Answer: B) Small intestine. 37. Which would most likely produce a mutation that is passed on to offspring? A) Radiation changing the DNA sequence in skin cells. B) Exposure to chemicals altering nerve cell function. C) A gamete with an extra chromosome forming. D) Tobacco smoke altering the genes in lung cells. Show Answer Correct Answer: C) A gamete with an extra chromosome forming. 38. Which system is used for naming species? A) Binomial. B) Natural selection. C) Conservation. D) Dichotomous. Show Answer Correct Answer: A) Binomial. 39. What is the correct order to make a protein? A) Protein, RNA, DNA. B) Protein, DNA, RNA. C) RNA, DNA, Protein. D) DNA, RNA, Protein. Show Answer Correct Answer: D) DNA, RNA, Protein. 40. Why is it important for the cell wall to loosen during cell elongation? A) To activate proton pumps. B) To allow active transport of water. C) To allow auxin to be released. D) To allow osmosis to occur. Show Answer Correct Answer: D) To allow osmosis to occur. 41. The weight of all living things within an environment or habitat is referred to as ..... A) Rule of 10s. B) Biomass. C) Energy. D) Organisms. Show Answer Correct Answer: B) Biomass. 42. Which sequence of complementary DNA bases would pair with this partial strandATG TGA CAG? A) ATG TGA CAG. B) GTA AGT GAC. C) TAC ACT GTC. D) CAT TCA CTG. Show Answer Correct Answer: C) TAC ACT GTC. 43. Absorbs nutrients in the digestive tract A) Cuboidal. B) Simple Squamous. C) Columnar. D) Pseudostratified. Show Answer Correct Answer: C) Columnar. 44. In what form is carbohydrate usually transported in the phloem tissue? A) Maltose. B) Starch. C) Sucrose. D) Glucose. Show Answer Correct Answer: C) Sucrose. 45. A virus consists of: A) RNA or DNA and a cell membrane. B) RNA or DNA and a protein coat. C) RNA and DNA and a protein coat. D) Proteins, cell membrane, and RNA. Show Answer Correct Answer: B) RNA or DNA and a protein coat. 46. What do Photosynthesis and Chemosynthesis make A) Glucose. B) Methane. C) Proteins. D) Sunlight. Show Answer Correct Answer: A) Glucose. 47. Which is the branch of biology that deals with microorganisms? A) Biology. B) Genatics. C) Botany. D) Mircoboilogy. Show Answer Correct Answer: D) Mircoboilogy. 48. Which of the following explains why plant shoots bend towards unidirectional light? A) More auxin diffuses to the shaded side to decrease cell elongation. B) More auxin diffuses to the unshaded side to increase cell elongation. C) More auxin diffuses to the unshaded side to decrease cell elongation. D) More auxin diffuses to the shaded side to increase cell elongation. Show Answer Correct Answer: D) More auxin diffuses to the shaded side to increase cell elongation. 49. Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells? A) To absorb light energy and manufacture food. B) To remove waste materials by active transport. C) To manufacture chemical energy from food. D) To control the shape of the cell. Show Answer Correct Answer: A) To absorb light energy and manufacture food. 50. A type of behavior where animals will go in a state of dormancy during very hot and dry conditions. A) Estivation. B) Migration. C) Hibernation. D) Sleeping. Show Answer Correct Answer: A) Estivation. 51. Bella is a girl with blood group AB. She can donate blood to ..... A) James with blood group AB. B) Danial with blood group O. C) Jasmine with blood group A. D) Rita with blood group B. Show Answer Correct Answer: A) James with blood group AB. 52. The inheritance of short wings in Drosophila fruit flies is an x-linked, recessive trait. Which would most likely result if a short-winged female mates with a long-winged male? A) All offspring will be short-winged. B) All females will be long-winged, and all males will be short-winged. C) All females will be short-winged, and all males will be long-winged. D) Half of the males and females will be short-winged, and half will be long-winged. Show Answer Correct Answer: B) All females will be long-winged, and all males will be short-winged. 53. Paleobotany study A) Fossils. B) All arctic animals. C) Birds. D) Animals. Show Answer Correct Answer: A) Fossils. 54. The most basic unit of a living organism is ..... A) A battery. B) A cellular component. C) A box. D) A cell. Show Answer Correct Answer: D) A cell. 55. The ..... is all of the material inside of a cell. A) Cytoplasm. B) Cell membrane. C) Nucleus. D) Cell wall. Show Answer Correct Answer: A) Cytoplasm. 56. Never use this when on high power. A) Coarse adjustment. B) Stage clips. C) Diaphragm. D) Fine adjustment. Show Answer Correct Answer: A) Coarse adjustment. 57. Which of the following is NOT an example of a consumer? A) Herbivore. B) Carnivore. C) Producer. D) Omnivore. Show Answer Correct Answer: C) Producer. 58. What is the function of autotrophs in the carbon cycle? A) To use carbon dioxide to produce glucose. B) To use oxygen to produce glucose. C) To feed on herbivores. D) To take in excess water. Show Answer Correct Answer: A) To use carbon dioxide to produce glucose. 59. Which of the following contain unicellular organization? A) Euglena. B) Human. C) Mustard Plant. D) Frog. Show Answer Correct Answer: A) Euglena. 60. Why is caffeine effective in blocking lethargy? A) It steals the spot of Melatonin. B) It is the anti-melatonin. C) It overwhelms your brain with dopamine and oxytocin. D) None of above. Show Answer Correct Answer: A) It steals the spot of Melatonin. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books