This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 1 The Living World – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The place where an organism lives and grows is called its: A) Habitat. B) Burrow. C) Nest. D) Shelter. Show Answer Correct Answer: A) Habitat. 2. Species Plantarum' and 'Systema Naturae' were written by A) Engler. B) Linnaeus. C) Hooker. D) Wallace. Show Answer Correct Answer: B) Linnaeus. 3. Evolved resistance to a pesticide is an example of A) Artificial selection. B) A bottleneck effect. C) Natural selection. D) A nonadaptive process. Show Answer Correct Answer: A) Artificial selection. 4. If producers capture 80, 000 J of energy from the sun, how much will be passed on to the secondary consumers? A) 800 J. B) 80 J. C) 8, 000 J. D) 8 J. Show Answer Correct Answer: A) 800 J. 5. Of the following organisms, which occupies the lowest trophic level? A) Spider. B) Hawk. C) Snake. D) Deer. E) Lion. Show Answer Correct Answer: D) Deer. 6. A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed A) Commensalism. B) Parasitism. C) Mutualism. D) Amensalism. Show Answer Correct Answer: B) Parasitism. 7. This biome provides the ecosystem service of filtering pollutants from water. A) Coral reefs. B) Wetlands. C) Open oceans. D) Rivers. Show Answer Correct Answer: B) Wetlands. 8. One among the following bacteria can tolerate high temperatures. A) Thermus aquatics. B) Clostridium sp. C) E.coli. D) Bacillus thuringiensis. Show Answer Correct Answer: A) Thermus aquatics. 9. What is one way that people add Phosphorus into the environment? A) Manure from animals. B) Driving cars. C) Cutting down trees (deforestation). D) None of the above. Show Answer Correct Answer: A) Manure from animals. 10. The internationally recognised binomial nomenclature was develophia by Linnaeus in his book A) Philosophia Botanica. B) Historia Plantarum. C) Species Plantarum. D) None of these. Show Answer Correct Answer: A) Philosophia Botanica. 11. Which of these is a monocot plant? A) Wheat. B) Pea. C) Sunflower. D) None of the above. Show Answer Correct Answer: A) Wheat. 12. A prediction made by a scientist based on his observation is known as A) Theory. B) Hypothesis. C) Principle. D) Law. Show Answer Correct Answer: B) Hypothesis. 13. Breaking habitats into smaller, isolated pieces is called- A) Illegal. B) Habitat fragmentation. C) Habitat destruction. D) Preservation. Show Answer Correct Answer: B) Habitat fragmentation. 14. Which of the following is NOT a factor that impacts ecological tolerance? A) PH. B) Level of biodiversity. C) Temperature. D) Humidity. Show Answer Correct Answer: B) Level of biodiversity. 15. Which of the following is a group that vertebrates belong to? A) Crustaceans. B) Insects. C) Mammals. D) Mollusks. Show Answer Correct Answer: C) Mammals. 16. Ecosystem service where goods are produced that humans can use directly A) Supporting. B) Provisioning. C) Cultural. D) Regulating. Show Answer Correct Answer: B) Provisioning. 17. What is the phosphorus' symbol on the periodic table? A) Ph. B) PH. C) P. D) PO. Show Answer Correct Answer: C) P. 18. The theory of island biogeography suggests that species richness is affected by which of the following factors?I. island distance from mainlandII. how the island is formedIII. island size A) II only. B) III only. C) I and III. D) II and III. Show Answer Correct Answer: C) I and III. 19. What is it called when an animal has a feature or behaviour that helps it survive in its environment? A) Environment. B) Adaptation. C) Habitat. D) Climate. Show Answer Correct Answer: B) Adaptation. 20. What is the role of restriction enzymes in genetic engineering? A) To transport genetic material. B) To replicate DNA. C) To synthesize proteins. D) To cut DNA at specific sequences. Show Answer Correct Answer: D) To cut DNA at specific sequences. 21. A ..... occupies the whole volume of the container A) Solid. B) Air. C) Liquid. D) None of the above. Show Answer Correct Answer: B) Air. 22. Species are credited with A) The real basic unit of classification. B) The lowest unit of classification. C) Artificial concept of human mind, which cannot be defined in absolute terms. D) The real unit of classification device by texonomists. Show Answer Correct Answer: A) The real basic unit of classification. 23. This is the organism that is hunted and consumed by another A) Ecosystem engineer. B) Producer. C) Prey. D) Predator. Show Answer Correct Answer: C) Prey. 24. A relationship between two species where one benefits while the other is harmed. A) Parasitism. B) Mutualism. C) Commensalism. D) Naturalism. Show Answer Correct Answer: A) Parasitism. 25. On reaching maturity, all the living beings produce new living beings similar to itself is known as ..... A) Maturity. B) Reproduction. C) Development. D) Growth. Show Answer Correct Answer: B) Reproduction. 26. Which of the following has collections of living plants for reference? A) Museums. B) Zoological parks. C) Herbarium. D) Botanical Garden. Show Answer Correct Answer: D) Botanical Garden. 27. Which of the following statements regarding the response of living organisms to external stimuli is correct? A) The external environmental stimuli can be physical, chemical or biological. B) All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli. C) Conscious and response to external stimuli is the defining property of living organisms. D) All of these. Show Answer Correct Answer: D) All of these. 28. Regions of the ocean are commonly referred to as what type of systems A) Estuary. B) Marine. C) Desert. D) Mountainous. Show Answer Correct Answer: B) Marine. 29. Odd one w.r.t. universal rules of nomenclature is? A) Derived from Latin and written in italics. B) First word represents Genus while second Specific epithet. C) Both words are printed in italics to indicate their Latin origin. D) The first word denoting the specific epithet starts with small letter. Show Answer Correct Answer: D) The first word denoting the specific epithet starts with small letter. 30. In wheat and makoi maximum similarity occurs at the level of A) Family. B) Order. C) Division. D) Class. Show Answer Correct Answer: C) Division. 31. What is the significance of grouping plants and animals? A) It helps in cooking. B) It is only for decoration. C) It is not significant. D) It makes it easier to understand and study them. Show Answer Correct Answer: D) It makes it easier to understand and study them. 32. The process of storing carbon dioxide (CO2) in underground geologic formations A) Carbon sequestration. B) Carbon offset. C) Carbon footprint. D) Kyoto Protocol. Show Answer Correct Answer: A) Carbon sequestration. 33. Which is NOT a feature of biodiversity? A) Variety of plants and animals. B) Different habitats. C) Similar movement in all animals. D) Various adaptations. Show Answer Correct Answer: C) Similar movement in all animals. 34. ..... increases the amount of atmospheric CO2 while ..... decreases the amount of atmospheric CO2. A) Cellular Respiration, Photosynthesis. B) Photosynthesis, Cellular Respiration. C) Photosynthesis, Burning of Fossil Fuels. D) Burning of Fossil Fuels, Photosynthesis. Show Answer Correct Answer: A) Cellular Respiration, Photosynthesis. 35. All the biotic and abiotic factors in an area that are interconnected with one another A) Biodiversity. B) Carrying capacity. C) Hydrosphere. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 36. Which of the following is an example of a shrub? A) Tomato plant. B) Mango tree. C) Rose plant. D) Grass. Show Answer Correct Answer: C) Rose plant. 37. In taxonomy, class comes in between ..... A) Kingdom and order. B) Phylum and order. C) Kingdom and family. D) Family and genus. Show Answer Correct Answer: B) Phylum and order. 38. Genetic drift that results from an event that drastically reduces the size of a population A) Bottle neck effect. B) Primary succession. C) Range of tolerance. D) Non-native species. Show Answer Correct Answer: A) Bottle neck effect. 39. The earliest classification of living organisms by Aristotle was mainly based on: A) Reproductive methods. B) Cell structure. C) Evolutionary relationships. D) Simple morphological characteristics. Show Answer Correct Answer: D) Simple morphological characteristics. 40. What type of plants did the students observe during the nature walk? A) Only aquatic plants. B) Grasses, bushes, and large trees. C) Only flowers. D) Only shrubs. Show Answer Correct Answer: B) Grasses, bushes, and large trees. 41. Which of the following are considered decomposers in a food web? A) Plants and animals. B) Bacteria and Fungi. C) Soil and plants. D) Soil and animals. Show Answer Correct Answer: B) Bacteria and Fungi. 42. Which is NOT a result of selective breeding? A) Large seedless watermelons that consumer demand. B) Bright oranges that are all about the same size. C) An insect that matches the color of the environment. D) A dog that has been bred to have short hair. Show Answer Correct Answer: C) An insect that matches the color of the environment. 43. The first organisms that appear in an ecological community A) Secondary succession. B) Ecological succession. C) Pioneer speciles. D) Primary succession. Show Answer Correct Answer: C) Pioneer speciles. 44. Does deforestation contribute to global warming? A) Yes; less trees means less CO2 is turned into oxygen. B) Sometimes because only the cutting down of Maple trees contributes to global warming. C) No, deforestation adds methane to the atmosphere, which makes the Earth cooler. D) No, trees aren't that important. Show Answer Correct Answer: A) Yes; less trees means less CO2 is turned into oxygen. 45. Word "Taxa" means ..... A) Kingdom. B) Phyla. C) Classification. D) Genus. Show Answer Correct Answer: C) Classification. 46. Which watery biome has the highest concentration of salt? A) Estuary. B) Wetland. C) Freshwater. D) Coral reef. Show Answer Correct Answer: D) Coral reef. 47. Categories of different level of classification is A) Taxa. B) Taxonomy. C) Classification. D) Systematics. Show Answer Correct Answer: A) Taxa. 48. What is the purpose of using model organisms in genetic research? A) To study complex human behaviors. B) To understand basic biological processes. C) To create new species. D) To eliminate genetic diversity. Show Answer Correct Answer: B) To understand basic biological processes. 49. The most important component of biodiversity is: A) Species diversity. B) Genetic diversity. C) Habitat diversity. D) All of the above. Show Answer Correct Answer: D) All of the above. 50. If mean global temperature keeps on increasing as predicted by contemporary scientists, which of the following is most likely? A) There will be fewer insect pests and disease-carrying organisms. B) Specialist species living in fragile ecosystems will risk extinction. C) There will be an increase in the reproductive rate of mammals. D) The geographical range of many plants will move toward the equator. Show Answer Correct Answer: B) Specialist species living in fragile ecosystems will risk extinction. 51. AssertionSystematics is branch of biology that deals with classification of organisms.ReasonAim of classification is to group the organisms in orderly manner. A) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion. B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. C) Assertion is correct but Reason is incorrect. D) Both Assertion and Reason are incorrect. Show Answer Correct Answer: B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion. 52. How much energy moves up each level of the energy pyramid? A) 50%. B) 5%. C) 10%. D) 90%. Show Answer Correct Answer: C) 10%. 53. Yeast and Hydra reproduce by A) Budding. B) Fragmentation. C) Spore formation. D) None of the above. Show Answer Correct Answer: A) Budding. 54. What happens to the energy when it goes to the tertiary/apex consumer A) It is completely lost. B) It returns to the ground and cycles with the help of decomposers. C) It stays in the animal's body forever. D) A whole bunch of things happens. Show Answer Correct Answer: B) It returns to the ground and cycles with the help of decomposers. 55. In nomenclature, A) The genus is written after the species. B) Genus and species may not be of the same name. C) Both genus and species are written in italics. D) First letter is capital in both genus and species. Show Answer Correct Answer: C) Both genus and species are written in italics. 56. PLANTS DRIED AND PASTED TO FORM A) MUSEUMS. B) BOTANICAL GARDENS. C) HERBARIUM. D) BOTANY. Show Answer Correct Answer: C) HERBARIUM. 57. In which order, will you place gorilla? A) Diptera. B) Carnivora. C) Primata. D) Sapindales. Show Answer Correct Answer: C) Primata. 58. A group of closely related species is called A) Genera. B) Specific epithet. C) Family. D) Species. Show Answer Correct Answer: A) Genera. 59. What is the primary purpose of the Trans Alaska Pipeline? A) To provide electricity to Anchorage. B) To supply water to remote Alaskan villages. C) To carry natural gas to Canada. D) To transport crude oil from the North Slope to the port of Valdez. Show Answer Correct Answer: D) To transport crude oil from the North Slope to the port of Valdez. 60. Taxon is a ..... A) Highest rank of classification. B) Unit of classification. C) Species. D) Group of closely related organisms. Show Answer Correct Answer: D) Group of closely related organisms. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 1 The Living World Quiz 1Class 11 Biology Chapter 1 The Living World Quiz 2Class 11 Biology Chapter 1 The Living World Quiz 3Class 11 Biology Chapter 1 The Living World Quiz 4Class 11 Biology Chapter 1 The Living World Quiz 6Class 11 Biology Chapter 1 The Living World Quiz 7Class 11 Biology Chapter 1 The Living World Quiz 8Class 11 Biology Chapter 1 The Living World Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books