This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Biology – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 15 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following are transported in phloem-and by what process? A) Sucrose, amino acids, hormones-actively by translocation. B) Sucrose, amino acids, minerals-actively by translocation. C) Sucrose, carbonic acids, hormones-actively by transpiration. D) Sucrose, amino acids, hormones-passively by translocation. Show Answer Correct Answer: A) Sucrose, amino acids, hormones-actively by translocation. 2. Find the total magnification:Eyepiece = 15X Objective lens = 100X A) 15x. B) 100x. C) 115x. D) 1500x. Show Answer Correct Answer: D) 1500x. 3. What is found in both plant and animal cells but is much larger in plant cells? A) Vacuole. B) Chloroplast. C) Mitochondrion. D) Nucleus. Show Answer Correct Answer: A) Vacuole. 4. What happens during cytokinesis? A) Spindle fibers appear. B) DNA replicates. C) Nothing. D) Cytoplasm divides. Show Answer Correct Answer: D) Cytoplasm divides. 5. Which of the following performs lactic acid fermentation? A) Plants. B) Bacteria. C) Yeast. D) All of the above. Show Answer Correct Answer: B) Bacteria. 6. What might happen if you remove a primary consumer from the ecosystem? A) The number of primary consumers would increase. B) There would be more food for secondary consumers. C) The number of secondary consumers would increase. D) The number of plants would increase. Show Answer Correct Answer: D) The number of plants would increase. 7. The thromboplastins in the presence of ..... and ....., convert prothrombin to thrombin.I. sodium ionII. vitamin KIII. potassiumIV. calcium ion A) I and II. B) II and IV. C) I and IV. D) II and III. Show Answer Correct Answer: B) II and IV. 8. The variation of life forms within an ecosystem or across the planet ..... A) Biodiversity. B) Species. C) Organism. D) Population. Show Answer Correct Answer: A) Biodiversity. 9. A sac like organelle that stores water, food, and other matter A) Vacuole. B) Lysosome. C) Cytoplasm. D) Cell wall. Show Answer Correct Answer: A) Vacuole. 10. Which part of the seed will protect it and must break for germination? A) Cotyledon. B) Testa. C) Hilum. D) Aleurone layer. Show Answer Correct Answer: B) Testa. 11. Each duplicated chromosome has two ..... each containing identical DNA molecules A) Daughter cells. B) Sister chromatids. C) Homologous chromosomes. D) None of above. Show Answer Correct Answer: B) Sister chromatids. 12. What BEST defines adhesion. A) Water molecules sticking to other surfaces due to the polarity of water. B) Water molecules bonded to other other surfaces due to the transparency of water. C) Water molecules sticking to each other due to the polarity of water. D) Water molecules bonding to each other due to the hydrophobic nature of water. Show Answer Correct Answer: A) Water molecules sticking to other surfaces due to the polarity of water. 13. Living things respond to heat, light, and sound. This means they respond to: A) Suction. B) Stimuli/ environment. C) Digestion. D) Dr. Suess. Show Answer Correct Answer: B) Stimuli/ environment. 14. A third-level consumer has to be which type? A) Carnivore. B) Herbivore. C) Decomposer. D) Producer. Show Answer Correct Answer: A) Carnivore. 15. Proteins are also needed by performers who are ..... in order to repair damaged tissue A) Overweight. B) Professional. C) Bored. D) Recovering from injury. Show Answer Correct Answer: D) Recovering from injury. 16. What is the main difference between members of the plant and fungi kingdoms? A) Fungus are multicellular. B) Fungus has nucleus. C) Fungus are eukaryotic. D) Fungus have a cell wall. Show Answer Correct Answer: B) Fungus has nucleus. 17. Which one of these is the Secondary Consumer A) Lion. B) Warthog. C) Insects. D) Grass. Show Answer Correct Answer: B) Warthog. 18. What is the correlation between global temperature and C02 concentrations? A) The higher the temperature, the more C02 is present. B) The lower the temperature, the more C02 is present. C) There is no correlation between the two. D) The higher the temperature, the less c02 is present. Show Answer Correct Answer: A) The higher the temperature, the more C02 is present. 19. Fish can regulate movement in water using which body structure? A) Lungs. B) Gills. C) Swim Bladder. D) Dorsal Fins. Show Answer Correct Answer: C) Swim Bladder. 20. What are Okazaki fragments? A) Sections of RNA removed by DNA polymerase III and replaced with DNA. B) Nucleotides added by DNA polymerase I in the same direction as the replication fork. C) Short sections of DNA formed during DNA replication. D) Short lengths of RNA primase attached to the DNA during replication. Show Answer Correct Answer: C) Short sections of DNA formed during DNA replication. 21. This is the branch of biology that deals with the normal functions of living organisms or bodily part functions ..... A) Biology. B) Zoology. C) Physiology. D) None of above. Show Answer Correct Answer: C) Physiology. 22. A phenotype that improves an organism's chance of survival in their environment is considered a(n) ..... A) Natural selection. B) Adaption. C) Speciation. D) None of above. Show Answer Correct Answer: B) Adaption. 23. Physical and biochemical functions and processes of organisms. A) Physiology. B) Cytology. C) Anatomy. D) Morphology. Show Answer Correct Answer: A) Physiology. 24. It is the study of inheritance of characters or heredity and variations. Heredity is the study of expression and transmission of traits from parents to offspring. A) Pharmacology. B) Genetics. C) Immunology. D) Entomology. Show Answer Correct Answer: B) Genetics. 25. During respiration plants take in A) Oxygen. B) Water. C) Nitrogen. D) Cabondioxide. Show Answer Correct Answer: A) Oxygen. 26. It is the study of external form, size, shape, colour, structure and relative position of various living organ of living beings. A) Morphology. B) Cytology. C) Histology. D) Physiology. Show Answer Correct Answer: A) Morphology. 27. In what organelle is the genetic material found inside? A) Golgi Complex. B) Nucleus. C) Nucleolus. D) Endoplasmic Reticulum. Show Answer Correct Answer: B) Nucleus. 28. What are the 2 uses of bird feathers? A) Grooming and flight. B) Fighting and warmth. C) Warmth and grooming. D) Flights and warmth. Show Answer Correct Answer: D) Flights and warmth. 29. What does a nucleosome consist of? A) DNA and histones. B) DNA and chromatin. C) Chromatin and nucleotides. D) Mature RNA and histones. Show Answer Correct Answer: A) DNA and histones. 30. What do you call the first organism in a food chain? A) Prey. B) Consumer. C) Predator. D) Producer. Show Answer Correct Answer: D) Producer. 31. What do cilia and flagella have in common? A) Both used for digestion. B) Both used for gathering food. C) Both used for movement. D) Both used for reproduction. Show Answer Correct Answer: C) Both used for movement. 32. Mammalogy is the branch of zoology concerned with A) Fish. B) All sea animals. C) Bees. D) Mammals. Show Answer Correct Answer: D) Mammals. 33. The term gene was coined by A) Crick. B) Mendel. C) W.Johanson. D) Watson. Show Answer Correct Answer: C) W.Johanson. 34. What is a characteristic of xerophytes? A) Absence of roots. B) Absence of vascular tissue. C) Leaves with very small surface area. D) Large number of stomata. Show Answer Correct Answer: C) Leaves with very small surface area. 35. Why might gibberellin hormone be used in micropropagation? A) To stimulate development of roots and shoots. B) To prevent dormancy. C) To stimulate cell division. D) To prevent dehydration. Show Answer Correct Answer: B) To prevent dormancy. 36. Study of Body Parts and Their Location A) Anatomy. B) Ecology. C) Cytology. D) Entomology. Show Answer Correct Answer: A) Anatomy. 37. Why are invasive species such a problem in their new ecosystem? A) The new ecosystem is probably weaker than the native one. B) The new ecosystem isn't adapted to their presence. C) They have mutations making them more adapted to the new ecosystem. D) They cause mutations in the native species. Show Answer Correct Answer: B) The new ecosystem isn't adapted to their presence. 38. How does the heart work? A) It pumps blood first to the lungs, back to the heart and then around the rest of the body. B) It pumps blood first to the rest of the body, back to the lungs and then to the heart. C) It pumps blood around the rest of the body, back to the heart and then to the lungs,. D) None of above. Show Answer Correct Answer: A) It pumps blood first to the lungs, back to the heart and then around the rest of the body. 39. A molecule that diffuses down a concentration gradient goes from an area of ..... concentration into an area of ..... concentration. A) High, low. B) Low, high. C) Active, passive. D) Passive, active. Show Answer Correct Answer: A) High, low. 40. What holds atoms, molecules, and compounds together? A) Electricity. B) Magnetism. C) Chemical Bonds. D) Electromagnetism. Show Answer Correct Answer: C) Chemical Bonds. 41. After depolarization what happens to restore resting potential? A) Sodium channels open & sodium ions diffuse out of the neuron. B) Potassium channels open & potassium ions diffuse into the neuron. C) Potassium channels open and potassium ions diffuse into the neuron. D) Sodium channels open and sodium ions diffuse into the neuron. Show Answer Correct Answer: C) Potassium channels open and potassium ions diffuse into the neuron. 42. After examining an experimental procedure, Amir noticed that there was an error in the experimental design. He should A) Be skeptical of the results. B) Be open-minded about the experiment. C) Accept the results and conclusions without question. D) Repeat the experiment to develop scientific consensus. Show Answer Correct Answer: A) Be skeptical of the results. 43. This plant came to india as a contaminant with imported wheat. It is a major cause of pollen allergy. Identify the plant. A) Cymbopogon. B) Oxalis. C) Parthenium. D) Dandelion. Show Answer Correct Answer: C) Parthenium. 44. Ichthyology is the branch of zoology that deals with A) Bees. B) Fish. C) Trees. D) All sea animals. Show Answer Correct Answer: B) Fish. 45. Overweight individuals are more likely to suffer A) Hypotension and type I diabetes. B) Hypotension and type II diabetes. C) Hypertension and type II diabetes. D) Hypertension and type I diabetes. Show Answer Correct Answer: C) Hypertension and type II diabetes. 46. Dietary minerals are ..... A) Essential for preventing scurvy. B) Surplus to requirements. C) Organic materials. D) Essential chemical elements. Show Answer Correct Answer: D) Essential chemical elements. 47. Which evidence for evolution do the common features in the bone structure of vertebrate limbs provide? A) Convergent evolution. B) Adaptive radiation. C) Divergent radiation. D) Discontinuous variation. Show Answer Correct Answer: B) Adaptive radiation. 48. What is pollination? A) Transfer of pollen grain from anther to style. B) Transfer of pollen grain from stigma to anther. C) Transfer of pollen grain from anther to stigma. D) Transfer of pollen grain from style to anther. Show Answer Correct Answer: C) Transfer of pollen grain from anther to stigma. 49. Which type of molecule do whales use for energy storage and insulation? A) DNA. B) Fat. C) Starch. D) Glucose. Show Answer Correct Answer: B) Fat. 50. It is the study of form and structure of cells including the behaviour of nucleus and other organelles. A) Cytology. B) Histology. C) Physiology. D) Morphology. Show Answer Correct Answer: A) Cytology. 51. Animal having a water canal system and spicules A) Spongilla. B) Antedon. C) Pleurobrachia. D) Aurelia. Show Answer Correct Answer: A) Spongilla. 52. Kingdom Protista was proposed by A) Margulis. B) Laveran. C) Carlous Linnaeus. D) Ernst Hackel. Show Answer Correct Answer: D) Ernst Hackel. 53. What's an invertabrate A) Has no endoskeleton. B) Has an endoskeleton. C) Has a backbone. D) Has no backbone. Show Answer Correct Answer: D) Has no backbone. 54. Which will most likely cause variations to occur within a species? A) Mutation. B) Predation. C) Competition. D) Mutualism. Show Answer Correct Answer: A) Mutation. 55. What is TRUE about volvox? A) Unicellular eukaryote. B) Multicellular eukaryote. C) Unicellular prokaryote. D) Colonial eukaryote. Show Answer Correct Answer: D) Colonial eukaryote. 56. An interaction between organisms in which one organism captures and consumes another organism A) Parasitism. B) Biotic factors. C) Predation. D) Abiotic factors. Show Answer Correct Answer: C) Predation. 57. Where does all energy in the food chain come from? A) Water. B) Sun. C) Plants. D) Carbon Dioxide. Show Answer Correct Answer: B) Sun. 58. Why is a shark a carnivore? A) Because it is able to eat seaweed. B) Because it is able to eat dead animals. C) Because it is able to eat sand. D) Because it is able to eat animals. Show Answer Correct Answer: D) Because it is able to eat animals. 59. Which kingdom contains members who are prokaryotic? A) Archaebacteria and Eubacteria. B) Archaebacteria and Protista. C) Eubacteria and Animalia. D) Eubacteria and Fungi. Show Answer Correct Answer: A) Archaebacteria and Eubacteria. 60. What happen when the ventricles of the heart contract? A) The semilunar valve close. B) The semilunar valve open. C) The atrioventricular valve open. D) None of above. Show Answer Correct Answer: B) The semilunar valve open. ← 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