This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ecosystem diversity A) Succession following a disturbance that destroys a community without destroying the soil. B) Variety of habitats, living communities, and ecological processes in the living world. C) Measurement of different species in a given area to describe an ecosystem (synonym for species diversity). D) The range of genetic material present in a gene pool or population of a species. Show Answer Correct Answer: B) Variety of habitats, living communities, and ecological processes in the living world. 2. Relative abundance A) The limits to the abiotic conditions that a species can tolerate. B) The number of different species in a community. C) The sprouting of a seed. D) The proportion of each species. Show Answer Correct Answer: D) The proportion of each species. 3. Fill the blanks:Term systematics was coined by ..... Biological species concept given by ..... A) C. Linnaeus and Ernst Mayr. B) J. Huxley and C. Linnaeus. C) Fleming and Watson. D) Aristotle and C. Linnaeus. Show Answer Correct Answer: A) C. Linnaeus and Ernst Mayr. 4. ICBN correctly stands for A) International Culture of Botanical Nomenclature. B) International Conditions of Botanical Nomenclature. C) International Code of Botanical Nomenclature. D) International Conversation of Botanical Nomenclature. Show Answer Correct Answer: C) International Code of Botanical Nomenclature. 5. What is a food web? A) A linear representation of the flow of energy and nutrients from one organism to another. B) A model of an interlocking pattern of food chains that depicts the flow of energy and nutrients in two or more food chains. C) A relationship where two species compete for limited resources. D) A relationship where two species mutually benefit from each other. Show Answer Correct Answer: B) A model of an interlocking pattern of food chains that depicts the flow of energy and nutrients in two or more food chains. 6. Pulp cavity of teeth is lined by A) Odontoblast. B) Chondroblast. C) Osteoblast. D) Amyloblast. Show Answer Correct Answer: A) Odontoblast. 7. The "Tragedy of The Commons" is ..... A) An economic issue where people do not have enough money to buy basic needs so they resort to stealing and breaking the law. B) A type of play where someone tragically dies or gets killed. C) Economic issue where individuals tend to take advantage of the natural resource and it becomes unavailable for everyone. D) None of the above. Show Answer Correct Answer: C) Economic issue where individuals tend to take advantage of the natural resource and it becomes unavailable for everyone. 8. The organism that does the killing in a predation interaction A) Predator. B) Prey. C) Competition. D) Adaptation. Show Answer Correct Answer: A) Predator. 9. What is the significance of sacred groves mentioned in the text? A) They are places for recreation. B) They are used for farming. C) They are protected areas for biodiversity. D) They are tourist attractions. Show Answer Correct Answer: C) They are protected areas for biodiversity. 10. The bottom region of oceans and bodies of fresh water is A) Benthos. B) Benthic Zone. C) Limnetic Zone. D) Nekton. Show Answer Correct Answer: B) Benthic Zone. 11. Which of the following holds true for scientific nomenclature? A) Naming of living organisms in English language. B) Naming of particular organism by the same name all over the world. C) Naming of living organism in such a manner that it may cause less confusion. D) Naming of living organisms in such a manner that it becomes easy to pronounce. Show Answer Correct Answer: B) Naming of particular organism by the same name all over the world. 12. Which type of organism breaks down dead organisms and waste, returning important nutrients to the environment? A) Decomposer. B) Herbivore. C) Omnivore. D) Carnivore. Show Answer Correct Answer: A) Decomposer. 13. What is venation? A) Pattern of veins in leaves. B) Type of root. C) Plant growth. D) None of the above. Show Answer Correct Answer: A) Pattern of veins in leaves. 14. Which cycle DOESN'T have an atmosphere component (part)? A) Carbon. B) Nitrogen. C) Phosphorus. D) Water. Show Answer Correct Answer: C) Phosphorus. 15. Phosphorus cycling is slow because: A) Only a small number of animals make phosphate rich manure (guano). B) There is no atmospheric component and phosphorus is returned to the land from the ocean via geological processes. C) Phosphorus is immobilized for long periods in plant and animal tissues. D) Humans remove too much phosphorus for agriculture. Show Answer Correct Answer: B) There is no atmospheric component and phosphorus is returned to the land from the ocean via geological processes. 16. Denitrification A) The sprouting of a seed. B) Competition between members of the same species. C) The process of converting nitrogen into ammonium by bacteria. D) Conversion of nitrates into nitrogen gas. Show Answer Correct Answer: D) Conversion of nitrates into nitrogen gas. 17. Assertion:Panthera is a polytypic genera. Reason:Panthera has specific epithets like leo, tigris and pardus. A) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. B) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. C) If Assertion is true but Reason is false. D) If both Assertion and Reason are false. Show Answer Correct Answer: A) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. 18. Which human activity would most likely deplete nonrenewable resources? A) Useof natural enemies to eliminate insect pests. B) Developmentof wildlife refuges. C) Governmentalrestriction of industrial pollution. D) Increased use of fossil fuels. Show Answer Correct Answer: D) Increased use of fossil fuels. 19. Why is accessibility a problem in the Thar desert? A) Roads get flooded, roads have no signposts. B) Tarmac melts on roads, sand dunes block roads. C) The speed limit is 250mph and people drink/drive. D) Camels sit on the roads, there are no maps. Show Answer Correct Answer: B) Tarmac melts on roads, sand dunes block roads. 20. Viruses are non cellular organism but replicate themselves once they infest the host cell To which of the following kingdom do virus belong to A) Monera. B) Protista. C) Fungi. D) None of these. Show Answer Correct Answer: D) None of these. 21. Every species has its own range of ..... , the ability to survive and reproduce under a range of environmental circumstances. A) Tolerance. B) Niche. C) Population. D) Ecosystem. Show Answer Correct Answer: A) Tolerance. 22. If an island is closer to the mainland, how will this impact the biodiversity? A) There will be a higher level of biodiversity here than an island that is further away. B) There will be a lower level of biodiversity here than an island that is further away. C) There will be no difference in biodiversity on islands based on distance to mainland. D) None of the above. Show Answer Correct Answer: A) There will be a higher level of biodiversity here than an island that is further away. 23. A living organisms is unexceptionally differentiated from a non living structure on the basis of A) Reproduction. B) Growth and movement. C) Interaction with environment. D) Responsiveness. Show Answer Correct Answer: D) Responsiveness. 24. Camels survive in deserts because: A) They can store water. B) They have thick fur. C) They can fly. D) None of the above. Show Answer Correct Answer: A) They can store water. 25. Beavers are an example of this; an organism that helps to alter an ecosystem A) Ecosystem engineer. B) Invasive species. C) Parasitism. D) Bioaccumulation. Show Answer Correct Answer: A) Ecosystem engineer. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 1 The Living World Quiz 1Class 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 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 9Class 11 Biology Chapter 1 The Living World Quiz 10Class 11 Biology Chapter 1 The Living World Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books