This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Assertion (A):In living organisms, energy transformation also takes place during metabolism.Reason(R):Organism has to perform many biological activities. A) Both (A) & (R) are true, and (R) is the correct explanation of (A). B) Both (A) & (R) are true, and (R) is not the correct explanation of (A). C) (A) is true, but (R) is false. D) (A) is false, (R) is true. Show Answer Correct Answer: A) Both (A) & (R) are true, and (R) is the correct explanation of (A). 2. Twin characteristics of growth are A) Increase in mass and number of individuals. B) Growth and reproduction. C) Respond to stimuli and increase in mass. D) None of the above. Show Answer Correct Answer: A) Increase in mass and number of individuals. 3. Which of the following statements is incorrect regarding the modern taxonomy? A) It deals with biological species . B) It is based on the study of all types of variations in the species. C) Species is considered to be static . D) It has a bio systematic concept. Show Answer Correct Answer: C) Species is considered to be static . 4. Habitat is: A) Home of an organism. B) Food source. C) Water source. D) None of the above. Show Answer Correct Answer: A) Home of an organism. 5. The formation of two species from one species when different populations of a sexually reproducing species have been separated and exposed to different environmental conditions so long that their genetic makeup has changed; usually takes thousands of years. This is referred to as ..... A) Speciation. B) Photosynthesis. C) Mutation. D) Adaptation. Show Answer Correct Answer: A) Speciation. 6. Which of the following is a useful effect of micro-organisms? A) Using Fungi (yeast) in bakery food products. B) Algae is used to produce oxygen. C) Bacteria is used in yoghurt, curd and cheese production. D) Algae is used to make marmite. Show Answer Correct Answer: D) Algae is used to make marmite. 7. How do animals get nitrogen? A) The atmosphere. B) Eating other organisms. C) Bacteria. D) Lightning. Show Answer Correct Answer: B) Eating other organisms. 8. Scientific name of plants are given by A) International code for Botanical nomenclature. B) International code for biological plants. C) Indian code for Botanical nomenclature. D) International code for zoological nomenclature. Show Answer Correct Answer: A) International code for Botanical nomenclature. 9. Which of the following is vestigial teeth foundin human A) Incisors. B) Premolars. C) Diphyodont. D) Wisdom tooth. Show Answer Correct Answer: D) Wisdom tooth. 10. Which species is an example of a generalist species? A) Raccoon. B) Red panda. C) Koala bear. D) Panda bear. Show Answer Correct Answer: A) Raccoon. 11. Which is not a cause of deforestation in the Amazon Rainforest? A) Logging. B) Resettling. C) Roads. D) Mineral Extraction. E) Ecotourism. Show Answer Correct Answer: E) Ecotourism. 12. Extinction of a single species can effect the functioning of an ecosystem. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. Which of the following is an example of an abiotic factor in an ecosystem? A) Bacteria. B) Sunlight. C) Rabbit. D) Grass. Show Answer Correct Answer: B) Sunlight. 14. The grouping of plants into herbs, shrubs, and trees is based on: A) Leaf size. B) Root length. C) Height and stem nature. D) Number of flowers. Show Answer Correct Answer: C) Height and stem nature. 15. The body of diatoms is characterized by: A) Thin cellulose membrane only. B) Two thin overlapping shells embedded with silica. C) Chitin wall. D) No wall. Show Answer Correct Answer: B) Two thin overlapping shells embedded with silica. 16. Botanical gardens and Zoological parks have A) Collection of endemic living species only. B) Collection of exotic living species only. C) Collection of endemic and exotic living species. D) Collection of only local plants and animals. Show Answer Correct Answer: C) Collection of endemic and exotic living species. 17. How do animals get the carbon they need? A) Decomposing. B) Combustion. C) Eating plants. D) Breathing it in. Show Answer Correct Answer: C) Eating plants. 18. Which of the following statements about ecological succession is correct? A) Secondary succession is followed by primary succession. B) Primary succession occurs over a shorter time span than secondary succession. C) Succession is influenced by competition for limiting resources such as available soil, moisture, and nutrients. D) In forest succession, less shade-tolerant trees replace more shade-tolerant trees. Show Answer Correct Answer: C) Succession is influenced by competition for limiting resources such as available soil, moisture, and nutrients. 19. This relationship is where one species fully benefits, and the other species is not harmed nor do they benefit A) Mutualism. B) Commensalism. C) Parasitism. D) Predation. Show Answer Correct Answer: B) Commensalism. 20. Which one of the taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time? A) Taxonomic key. B) Flora. C) Herbarium. D) Monograph. Show Answer Correct Answer: D) Monograph. 21. A material suitable to make wires is A) Rubber. B) Copper. C) Graphite. D) None of the above. Show Answer Correct Answer: B) Copper. 22. Why are sea otters so crucial to an ecosystem? A) They aren't. B) They provide us with nutrients. C) They build dams and help rivers flow. D) They feed on sea urchins which are harmful to kelp forests. Show Answer Correct Answer: D) They feed on sea urchins which are harmful to kelp forests. 23. Define the term:Ecosystem. A) An ecosystem is a community of living organisms and their physical environment interacting as a system. B) An ecosystem is a type of weather pattern found in forests. C) An ecosystem is a process of water evaporation from oceans. D) An ecosystem is a method of plant reproduction. Show Answer Correct Answer: A) An ecosystem is a community of living organisms and their physical environment interacting as a system. 24. What is the climate like in the tundra biome? A) Very cold and dry. B) Very cold and wet. C) Very warm and dry. D) Very warm and wet. Show Answer Correct Answer: A) Very cold and dry. 25. Which of these organisms can live both on land and in water? A) Frog. B) Dog. C) Lion. D) Crow. Show Answer Correct Answer: A) Frog. ← PreviousNext →Related 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 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books