This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 67 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 67 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Adaptation means: A) Adjustment to environment. B) Change in color. C) Growth. D) None of the above. Show Answer Correct Answer: A) Adjustment to environment. 2. The order of human is A) Hominidae. B) Primata. C) Mammalia. D) Chordata. Show Answer Correct Answer: B) Primata. 3. The study of environmental science primarily considers A) Interactions among human systems and those found in Earth. B) The effect of human systems. C) Abiotic factors that influence the state of our environment. D) Factors that affect global climate change. Show Answer Correct Answer: A) Interactions among human systems and those found in Earth. 4. What characteristic is common among reptiles? A) They have feathers and lay eggs in water. B) They have scaly skin and lay eggs on land. C) They are warm-blooded and have fur. D) They breathe underwater using gills. Show Answer Correct Answer: B) They have scaly skin and lay eggs on land. 5. Birds have hollw bones which is light weight A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Using resources in different ways, places, or at different times-can reduce the negative impact of competition on survival. (Ex:two bird species eating different food from the same tree) A) Character displacement. B) Climax community. C) Resource partitioning. D) Pioneer species. Show Answer Correct Answer: C) Resource partitioning. 7. Based on the theory of island biogeography, which islands would have the highest species richness? A) Large island, close to mainland. B) Small island, close to mainland. C) Large island, far from mainland. D) Small island, far from mainland. Show Answer Correct Answer: A) Large island, close to mainland. 8. Bentham and Hook published the book is A) Genera plantarum. B) Species plantarum. C) Systema naturae. D) Both a and b. Show Answer Correct Answer: A) Genera plantarum. 9. Which of the following are the basic processes of taxonomy? A) Identification and nomenclature. B) Characterization and classification. C) Both (a) and (b). D) None of these. Show Answer Correct Answer: C) Both (a) and (b). 10. Which one of the following factors is not a major cause of loss of biodiversity? A) Habitat fragmentation. B) Agriculture. C) Invasive species. D) Pollution. Show Answer Correct Answer: B) Agriculture. 11. Interspecific competition A) Competition between members of different species. B) Competition between members of the same species. C) A reduction in the genetic diversity of a population caused by a reduction in its size. D) Information describing color, odor, shape, or some other physical characteristic. Show Answer Correct Answer: A) Competition between members of different species. 12. What is a negative effect of sulfur (especially sulfur dioxide) being released into the atmosphere? A) It creates acid rain. B) It causes clouds to not form. C) It makes the sky yellow. D) None of the above. Show Answer Correct Answer: A) It creates acid rain. 13. What is ecological succession? A) The process by which ecosystems remain unchanged over time. B) The process by which ecosystems change and develop over time, involving a series of stages from pioneer species to a climax community. C) A method of preserving ecosystems in their current state. D) The study of how species interact within an ecosystem. Show Answer Correct Answer: B) The process by which ecosystems change and develop over time, involving a series of stages from pioneer species to a climax community. 14. The total amount of solar energy that producers in an ecosystem capture via photosynthesis over a given amount of time A) Non-native species. B) Species diversity. C) Chesapeake Bay Watershed. D) Gross primary productivity. Show Answer Correct Answer: D) Gross primary productivity. 15. Binomial nomenclature means A) One name given by two taxonomists. B) Two names, the latinised, other of a person. C) Two names, one scientific, other local. D) Two-word names, the first indicates genus, and other species. Show Answer Correct Answer: D) Two-word names, the first indicates genus, and other species. 16. Certain bacteria and fungi called ..... convert nitrogen in dead plants and animals into ammonia. A) Producers. B) Omnivores. C) Predators. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 17. Which one of the following aspects is an exclusive characteristic of living things? A) Isolated metabolic reactions occur in vitro. B) Increase in mass from inside only. C) Perception of events happening in the environment and their memory. D) Increase in mass by accumulation of material both on surface as well as internally. Show Answer Correct Answer: C) Perception of events happening in the environment and their memory. 18. The relationship between a zebra and a tick bird A) Commensalism. B) Parasitism. C) Mutualism. D) None of the above. Show Answer Correct Answer: C) Mutualism. 19. Who introduced the binomial nomenclature system? A) Charles Darwin. B) Carlous Linnaeus. C) Ernst Mayer. D) Alexander Agassiz. Show Answer Correct Answer: B) Carlous Linnaeus. 20. This is the process of cutting down trees but not replanting more in their place A) Habitat loss. B) Overexploitation. C) Deforestation. D) Biodiversity crisis. Show Answer Correct Answer: C) Deforestation. 21. What is the full form of ICBN? A) International code of botanical nomenclature. B) Indian code of botanical nomenclature. C) International code of zoological nomenclature. D) None of these. Show Answer Correct Answer: A) International code of botanical nomenclature. 22. What type of vertebrates are birds? A) Cold-blooded vertebrates. B) Warm-blooded vertebrates. C) Amphibians. D) Reptiles. Show Answer Correct Answer: B) Warm-blooded vertebrates. 23. Which of the following identifies the levels of classification in the correct order? A) Domain, kingdom, phylum, class, order, family, genus, species. B) Genus, species, domain, kingdom, phylum, class, order, family. C) Domain, kingdom, genus, species, phylum, class, order, family. D) Genus, species, phylum, class, order, family, domain, kingdom. Show Answer Correct Answer: A) Domain, kingdom, phylum, class, order, family, genus, species. 24. What is causing the climate to change? A) Increased CO2 levels in the atmoshpere. B) Increased O2 levels in the atmosphere. C) Increased water in the atmosphere. D) Humans. Show Answer Correct Answer: A) Increased CO2 levels in the atmoshpere. 25. The scientific name of mango is written as A) Mangifera indica. B) Mangifera Indica. C) Mangifera indica. D) Mangifera indica. Show Answer Correct Answer: A) Mangifera indica. ← 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