This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 41 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following would be an example of a decomposer? A) Mouse. B) Tree. C) Worm. D) Bird. Show Answer Correct Answer: C) Worm. 2. How many people per km2 live in the Thar desert? A) 1.000, 000. B) 13. C) 10, 102. D) 83. Show Answer Correct Answer: D) 83. 3. Which of the following characters are mainly considered for declaring a new plant species? A) Floral characters. B) Anatomical characters. C) Physiological characters. D) All of these. Show Answer Correct Answer: A) Floral characters. 4. When a population changes in response to changes in another species, this is known as ..... A) Coevolution. B) Convergent Evolution. C) Divergent Evolution. D) Sympatric Speciation. Show Answer Correct Answer: A) Coevolution. 5. A relationship in which one organism benefits and the other is unaffected. A) Mutualism. B) Parisitism. C) Symbiosis. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 6. WHICH OF THE FOLLOWING IS NOT A IDENTIFYING PROPERTY FOR LIVING ORGANISMS? A) METABOLISM. B) CELLULARISATION. C) CONSCIOUSNESS. D) NON OF THESE. Show Answer Correct Answer: D) NON OF THESE. 7. Which of the following is NOT a group that vertebrates belong to? A) Birds. B) Fish. C) Amphibians. D) Insects. Show Answer Correct Answer: D) Insects. 8. A material with soft texture is A) Gravel. B) Clay. C) Coal. D) None of the above. Show Answer Correct Answer: B) Clay. 9. Which of these terms means a catastrophic widespread, often global event in which major groups of species become extinct over a short period of time compared with the normal extinction rates? A) Mass extinction. B) Gradual evolution. C) Speciation. D) Adaptive radiation. Show Answer Correct Answer: A) Mass extinction. 10. Habitat island A) Small patches of habitat surrounded by areas of unsuitable habitat, (noun). B) A natural area protected and managed by the federal government. C) First species to populate an area during primary succession. D) A species that influences the survival of many other species in an ecosystem. Show Answer Correct Answer: A) Small patches of habitat surrounded by areas of unsuitable habitat, (noun). 11. Birds live and eat in different areas of the same tree and avoid having the same niche. This is known as A) Resource partitioning. B) Competitive exclusion. C) Intraspecific competition. D) Interspecific competition. Show Answer Correct Answer: A) Resource partitioning. 12. How do scientists use taxonomy in classifying organisms? A) Taxonomy is used by scientists to create new species through genetic engineering. B) Scientists use taxonomy to predict weather patterns based on climate data. C) Scientists classify organisms using taxonomy by organizing them into hierarchical categories based on shared characteristics. D) Scientists apply taxonomy to determine the nutritional value of food items. Show Answer Correct Answer: C) Scientists classify organisms using taxonomy by organizing them into hierarchical categories based on shared characteristics. 13. Which of these human actions impacts multiple nutrient cycles? A) Deforestation. B) Driving gasoline cars. C) Burning sulfur-containing coal. D) Making fertilizers. Show Answer Correct Answer: A) Deforestation. 14. Which biome would be best suited for plants and animals that can store water? A) Rainforest. B) Desert. C) Tundra. D) Ocean. Show Answer Correct Answer: B) Desert. 15. Which of the following is found in snowy regions? A) Yak. B) Tigers. C) Spiders. D) Rabbit. Show Answer Correct Answer: A) Yak. 16. Which of the following have the correct matches with their suffixes in reference to plants:i. Division:-phytaii. Class:-opsidaiii. Order:-alesiv. Family:-idae A) I, ii, and iii. B) Ii, iii, and iv. C) I, ii, and iv. D) I, ii, iii, and iv. Show Answer Correct Answer: A) I, ii, and iii. 17. Organisms such as bacteria or fungi that break down plant and animal material (breaks down consumer) A) Producer. B) Decomposer. C) Ants & Beetles. D) Microscopic Animals. Show Answer Correct Answer: B) Decomposer. 18. Growth cannot be taken as a defining property or feature of living organisms because A) All living organisms do not show growth. B) Non living things grow from inside. C) Non living things also grow. D) Some living organisms do not show the process of reproduction. Show Answer Correct Answer: C) Non living things also grow. 19. The total number of species, that are known and described range between A) 0.5-1.0 million. B) 1.1-1.2 million. C) 1.7-1.8 million. D) 2.0-2.5 million. Show Answer Correct Answer: C) 1.7-1.8 million. 20. Cell division occurs ..... in plants and ..... in animals A) Continuously, only upto a certain age. B) Only upto a certain age, continuously. C) Continuously, never. D) Once, twice. Show Answer Correct Answer: A) Continuously, only upto a certain age. 21. The number of different species in a community (synonym for species diversity) A) Deforestation. B) Species richness. C) Species evenness. D) Endemic species. Show Answer Correct Answer: B) Species richness. 22. What do plants give us? A) Food. B) Paper. C) Clothes. D) All of the above. Show Answer Correct Answer: D) All of the above. 23. Which is NOT example of freshwater ecosystems A) Coral Reef. B) Lake. C) Pond. D) Stream. Show Answer Correct Answer: A) Coral Reef. 24. The branch connected with nomenclature, identification and classification is A) Ecology. B) Physiology. C) Taxonomy. D) Morphology. Show Answer Correct Answer: C) Taxonomy. 25. Definition of "habitat" A) Adjusting to different environmental conditions by plants and animals. B) A place where the animals live and grow naturally. C) All the above. D) None of the above. Show Answer Correct Answer: B) A place where the animals live and grow naturally. ← 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