This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 1 The Living World – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The twin characteristics of growth are A) Increase in mass and number of indivduals. B) Increase in mass and increase in space. C) Increase in volume and increase in size. D) None of the above. Show Answer Correct Answer: A) Increase in mass and number of indivduals. 2. What is the transfer of nutrients through an ecosystem is known as? A) Food web. B) The nutrient cycle. C) Food chain. D) A biome. Show Answer Correct Answer: B) The nutrient cycle. 3. Why is the ocean important to the carbon cycle? A) It keeps sediment containing carbon underwater for millions of years. B) The ocean gives out more carbon then it takes in (increases global warming). C) The ocean isn't important to the carbon cycle. D) None of the above. Show Answer Correct Answer: A) It keeps sediment containing carbon underwater for millions of years. 4. In an experiment, the standard that is used for comparison A) Control. B) Chemotrophs. C) Ecotone. D) Source. Show Answer Correct Answer: A) Control. 5. Which of the following combinations is possible: A) Each category has taxon at various level. B) Each Taxon has category at various level. C) Category and taxon are same. D) Category, rank and taxon all are same. Show Answer Correct Answer: A) Each category has taxon at various level. 6. In angiosperm, characters of flowers are used in classification because A) Flowers are attractive. B) Flowers are large. C) Characters of flowers are conservative. D) None of the above. Show Answer Correct Answer: C) Characters of flowers are conservative. 7. Which of the following taxonomic categories includes all the others? A) Family. B) Order. C) Species. D) Genus. Show Answer Correct Answer: B) Order. 8. Desert plant leafs are modified into A) Thorns. B) Fleshy. C) Roots penetrate deep into soil. D) None of the above. Show Answer Correct Answer: A) Thorns. 9. Species that are native to and found only within a limited area A) Foundation species. B) Indicator species. C) Keystone species. D) Endemic species. Show Answer Correct Answer: D) Endemic species. 10. Assertion (A):Every organism possesses reproduction, growth, development, adaptation and death like unique characters.Reason (R):Energy transformation is essential for every organism. A) Both (A) and (R) are true, and (R) is the correct explanation of (A). B) Both (A) and (R) are true, and (R) is not the correct explanation of (A). C) (A) is true but (R) is false. D) (A) is false but (R) is true. Show Answer Correct Answer: B) Both (A) and (R) are true, and (R) is not the correct explanation of (A). 11. Carbon dioxide and methane are examples of these, that can cause the earth to warm up A) Acid precipitation. B) Invasive species. C) Overexploitation. D) Greenhouse gases. Show Answer Correct Answer: D) Greenhouse gases. 12. Biodiversity is measured using two criteria. They are ..... A) Species evenness and habitat area. B) Species richness and ecological relationships. C) Species richness and evenness. D) Species evenness and NPP produced. Show Answer Correct Answer: C) Species richness and evenness. 13. As we go on lower from kingdom to species. the number of common characters A) Goes on decreasing. B) No pattern is seen. C) Goes on increasing. D) Remains Same. Show Answer Correct Answer: C) Goes on increasing. 14. The tundra biome & the desert biome are both very dry, but A) The desert has a wider temperature range. B) The desert is always hot. C) They are also similar in temperature. D) The tundra has a wider temperature range. Show Answer Correct Answer: A) The desert has a wider temperature range. 15. Which of these terms means the disappearance of a species from a specific geographic region where it once lived, but the species continues to exist in other parts of the world? A) Local extinction. B) Speciation. C) Global extinction. D) Migration. Show Answer Correct Answer: A) Local extinction. 16. When a community is stable with little to no change, what level of ecological succession is taking place? A) Tertiary succession. B) Secondary succession. C) Climax community. D) Primary succession. Show Answer Correct Answer: C) Climax community. 17. ..... is a more specific category than family. A) Order. B) Phylum. C) Genus. D) Class. Show Answer Correct Answer: C) Genus. 18. In general, which of the following is the best long-term method of preventing extinctions? A) Protecting the habitats of endangered species. B) Providing food to endangered species in the wild. C) Removing predators from areas that contain endangered species. D) Paying people not to kill endangered species. Show Answer Correct Answer: A) Protecting the habitats of endangered species. 19. The genus of Mango is A) Sapindales. B) Magnifera. C) Dicotyledonae. D) Indica. Show Answer Correct Answer: B) Magnifera. 20. Biodiversity hotspot A) An area that supports a large number of native species. B) Using the land for more than one purpose at the same time. C) The range of conditions in which a species can survive. D) First species to populate an area during primary succession. Show Answer Correct Answer: A) An area that supports a large number of native species. 21. Place used for storing & preservation, exhibition is known as A) Musuem. B) Zoo. C) Herbaria. D) Botanical garden. Show Answer Correct Answer: A) Musuem. 22. Match column I with column II and select the correct option from the codes given belowCOLUMN I COLUMN II A. Planaria ( i ) Binary fission B. Fungi ( ii) Asexual spores C. Yeast ( iii ) Budding D. Amoeba ( iv ) true regeneration A) A-(V) B-(ii), (i), C-(iii) D-(iv). B) A-( i ), B-( ii ), C-( iii ), D-( iv ). C) A-(ii), B-(v) c-(i) D-(iv). D) A-( iv ), B-( ii ), ( v ), C-( III ), D-( i). Show Answer Correct Answer: D) A-( iv ), B-( ii ), ( v ), C-( III ), D-( i). 23. The two components of binomial nomenclature are A) Genus and species. B) Class and species. C) Genus and family. D) None of the above. Show Answer Correct Answer: A) Genus and species. 24. Two thirds of the Earth's fresh water is stored where? A) Oceans. B) Ice. C) Lakes. D) Seas. Show Answer Correct Answer: B) Ice. 25. A living organism can be differentiated from a non-living structure on the basis of A) (a) Reproduction. B) ( b) Growth. C) ( c) Interaction with environment and progressive evolution. D) Movement. Show Answer Correct Answer: C) ( c) Interaction with environment and progressive evolution. 26. Which of the following aquatic biomes is a GOOD source of freshwater that we can use for our homes and agriculture? A) Coral Reefs. B) Lakes and rivers. C) Coastal Wetlands. D) Estuaries. Show Answer Correct Answer: B) Lakes and rivers. 27. Which of the following is a density-dependent limiting factor? A) Unusual weather. B) Competition. C) Human activities. D) Natural disaster. Show Answer Correct Answer: B) Competition. 28. What do you think is the need of nomenclature? A) Scientists can use this term in their seminars. B) To have a standard name for an organism instead of having many names in different languages. C) Nomenclature is something which is same for all organisms and people need not mention each organism with different names. D) Nomenclature looks fancier and more technical than regional names. Show Answer Correct Answer: B) To have a standard name for an organism instead of having many names in different languages. 29. An ecological succession that begins in an area where no biotic community previously existed A) Primary succession. B) Foundation species. C) Indicator species. D) Ecosystem diversity. Show Answer Correct Answer: A) Primary succession. 30. Match column-I with column-II and choose the correct combination from the options given below. Column-I Column-II A. National Botanical I. Carolus Linneaus Research Institute B. Indian Botanical II. Taxon Garden C. Binomial III. Howrah (India) Nomenclature D. A unit of IV. Lucknow classification A) A-IV; B-III; C-I; D-II. B) A-IV; B-I; C-III; D-II. C) A-III; B-IV; C-I; D-II. D) A-IV; B-III; C-II; D-I. Show Answer Correct Answer: A) A-IV; B-III; C-I; D-II. 31. This biome gets a little more rain than deserts and has similar temperatures to deciduous forest. A) Tundra. B) Taiga. C) Grassland. D) Rainforest. Show Answer Correct Answer: C) Grassland. 32. Which of these is an example of intraspecific competition? A) Hyenas fighting one another for access to food. B) Barnacles and oysters competing for space on the rocky shore. C) Eucalyptus trees secreting chemicals that kill of nightshade plants. D) None of the above. Show Answer Correct Answer: A) Hyenas fighting one another for access to food. 33. What are the challenges of living in the Thar desert? A) Farming, Tourism and Mineral mining. B) Hydro electric power, gypsum, marble. C) Lack of Water, few roads and extreme temperatures. D) Desert festival at Jaisalmer. Show Answer Correct Answer: C) Lack of Water, few roads and extreme temperatures. 34. The main purpose of classification of organisms is to A) Study geography. B) Locate plants and animals. C) Establish relationships amongst organisms. D) Study evolution. Show Answer Correct Answer: C) Establish relationships amongst organisms. 35. The science or branch dealing with the study of diversity of organisms is known as A) Systematics. B) Taxonomy. C) Paleontology. D) Evolution. Show Answer Correct Answer: A) Systematics. 36. A taxonomic category refers to A) A group of related organisms able to. B) A group of related organisms but unable to interbreed freely. C) The basic unit of classification. D) A rank or level in a taxonomic hierarchy. Show Answer Correct Answer: D) A rank or level in a taxonomic hierarchy. 37. Which of the following use their muscles for creeping? A) Spiders. B) Crocodiles. C) Frogs. D) Grasshoppers. Show Answer Correct Answer: B) Crocodiles. 38. This is the act of cities creating new buildings on the outskirts of their areas in the suburbs; can destroy ecosystems A) Biodiversity. B) Overexploitation. C) Urban sprawl. D) Trophic efficiency. Show Answer Correct Answer: C) Urban sprawl. 39. What is characteristic of living thing A) Breathing. B) Sleeping. C) Playing. D) None of the above. Show Answer Correct Answer: A) Breathing. 40. True or false:The amount of nitrogen and oxygen in the atmosphere tends to vary depending on temperature and latitude. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 41. What is the function of mitochondria in eukaryotic cells? A) The function of mitochondria in eukaryotic cells is to produce energy in the form of ATP. B) Mitochondria store genetic information in eukaryotic cells. C) Mitochondria are responsible for protein synthesis in eukaryotic cells. D) Mitochondria regulate cell division in eukaryotic cells. Show Answer Correct Answer: A) The function of mitochondria in eukaryotic cells is to produce energy in the form of ATP. 42. What is the largest reservoir for water? A) The ocean. B) Rocks and minerals. C) The atmosphere. D) Glaciers. Show Answer Correct Answer: A) The ocean. 43. This is the overuse of various resources or organisms, that causes some species or ecosystems to be endangered A) Biodiversity crisis. B) Exponential growth. C) Deforestation. D) Overexploitation. Show Answer Correct Answer: D) Overexploitation. 44. Who is known as the "Father of Taxonomy" for his contributions to the classification of organisms? A) Carolus Linnaeus. B) Louis Pasteur. C) Charles Darwin. D) Gregor Mendel. Show Answer Correct Answer: A) Carolus Linnaeus. 45. Fungi that is used in the flavouring of cheese: A) Mucor. B) Penicillium. C) Aspergillus and Penicillium. D) None of the above. Show Answer Correct Answer: C) Aspergillus and Penicillium. 46. There are many kinds of living things in the world. This is called the ..... living things. A) Similarity. B) Diversity. C) Uniformity. D) Sameness. Show Answer Correct Answer: B) Diversity. 47. Synthetic chemicals containing chlorine that are used in the manufacture of plastics and other industrial products, become stored in the tissue of animals, and also persist in the environment A) Hybrid. B) PCBs. C) Sink. D) Ecotone. Show Answer Correct Answer: B) PCBs. 48. Wheat belongs to division ..... A) Angiospermae. B) Gymnospermae. C) Poacae. D) None of the above. Show Answer Correct Answer: A) Angiospermae. 49. These species are not native to a particular area and can cause great damage to ecosystems A) Alien species. B) Keystone species. C) Invasive species. D) Dominant species. Show Answer Correct Answer: C) Invasive species. 50. Eat primary consumers (can be carnivores and omnivores) A) Top Predators. B) Quaternary Consumers. C) Tertiary Consumers. D) Secondary Consumers. Show Answer Correct Answer: D) Secondary Consumers. 51. The type of arrangement in human mouth iscalled:- A) Thecodont. B) Mesodont. C) Protodont. D) None of these. Show Answer Correct Answer: A) Thecodont. 52. This area of the ocean only makes up 10% of the total ecosystem size, but has 90% of its biodiversity. A) The coastal/tidal zones. B) The photic zone in the open ocean. C) The aphotic zone in the open ocean. D) The benthic zone. Show Answer Correct Answer: A) The coastal/tidal zones. 53. Desert plants are able to survive long periods with no rain. Which of these plants would you find in the desert? A) Conifer. B) Grasses. C) Cactus. D) Wildflowers. Show Answer Correct Answer: C) Cactus. 54. What are the 2 types of aquatic biomes? A) Rivers and streams. B) Lakes and oceans. C) Marine and fresh water. D) Marine and oceanic. Show Answer Correct Answer: C) Marine and fresh water. 55. Herbivores, Carnivores, and Scavengers all belong to which niche below? A) Decomposers. B) Producers. C) Predators. D) Consumers. Show Answer Correct Answer: D) Consumers. 56. Taxonomy is the branch of biology that deals with: A) Study of ecosystems. B) Study of inheritance. C) Study of genes. D) Classification of organisms. Show Answer Correct Answer: D) Classification of organisms. 57. Which of the following is not in a correct hierarchical order? A) Class, family, genus. B) Family, class, order. C) Class, order, family. D) Phylum, order, family. Show Answer Correct Answer: B) Family, class, order. 58. In reef ecosystems, corals often have microalgae living inside them. The algae supply the corals with nutrients, and the coral give shelter to the algae. A) Predation. B) Commensalism. C) Mutualism. D) Competition. Show Answer Correct Answer: C) Mutualism. 59. This kingdom obtains its nutrients by decomposing organic matter. A) Plantae. B) Monera. C) Animalia. D) Fungi. Show Answer Correct Answer: D) Fungi. 60. What type of root system do lemongrass plants have? A) None of the above. B) Adventitious root system. C) Fibrous root system. D) Taproot system. Show Answer Correct Answer: C) Fibrous root system. ← 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 5Class 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