This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 63 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the idea developed by Charles Lyell stating that the geologic processes that shaped Earth in the past continue to operate today? A) Inheritance of acquired characteristics. B) Catastrophism. C) Uniformitarianism. D) Descent with modification. Show Answer Correct Answer: C) Uniformitarianism. 2. Which biome, because of its climate, has the largest number of species of plants and animals? A) Tundra. B) Tropical Rainforest. C) Desert. D) Coniferous forest. Show Answer Correct Answer: B) Tropical Rainforest. 3. Energy enters most ecosystems as ..... A) Moving air. B) Water currents. C) Sunlight. D) Electricity. Show Answer Correct Answer: C) Sunlight. 4. Related genera belong to A) Breed. B) Species. C) Variety. D) Family. Show Answer Correct Answer: D) Family. 5. No two species can occupy the same niche A) Competitive Exclusion Principle. B) Limiting Exclusion Theory. C) Competitive Limiting Principle. D) Limiting Competitive Theory. Show Answer Correct Answer: A) Competitive Exclusion Principle. 6. What do free living bacteria in the soil do? A) Make clouds. B) Turn atmospheric nitrogen into nitrates. C) Make carbon dioxide for plants to go through photosynthesis. D) Help plants take in water. Show Answer Correct Answer: B) Turn atmospheric nitrogen into nitrates. 7. In which of the following regions would you expect to find photosynthetic organisms? A) The aphotic zone, the neritic zone, the oceanic zone, and the benthic zone. B) The pelagic zone, the aphotic zone, the neritic zone, and the oceanic zone. C) The photic zone, the deep trenches, the neritic zone, nd the oceanic zone. D) The photic zone, the intertidal zone, the neritic zone, and the oceanic zone. Show Answer Correct Answer: D) The photic zone, the intertidal zone, the neritic zone, and the oceanic zone. 8. Biosystematics aims at A) Identification and arrangement of organisms on the basis of cytological characteristics. B) The classification of organisms based on broad morphological characters. C) Delimiting various taxa of organism and establishing their relationships. D) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies. Show Answer Correct Answer: D) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies. 9. ..... is not the unit of taxonomic category A) Series. B) Glumaceae. C) Class. D) Phylum. Show Answer Correct Answer: B) Glumaceae. 10. The elephant is an example of a ..... A) A. carnivore. B) B. omnivore. C) C. herbivore. D) None of the above. Show Answer Correct Answer: C) C. herbivore. 11. Why reproduction is not considered as defining property of livings? A) Many living like sterile humans do not have reproduction capacity. B) Many living like infertile humans do not have reproduction capacity. C) Male hone bee (Drone) is living but reproducing. D) Mules, sterile worker honey bee, infertile human couples are living but having capacity of reproduction. Show Answer Correct Answer: D) Mules, sterile worker honey bee, infertile human couples are living but having capacity of reproduction. 12. Another characteristics and 2nd defining property of life A) Metabolism. B) Reproduction. C) Consciousness. D) None. Show Answer Correct Answer: A) Metabolism. 13. Group of organisms that closely resemble each other and freely interbreed in nature, constitute a- A) Species. B) Genus. C) Family. D) Taxon. Show Answer Correct Answer: A) Species. 14. What do you call the special features that help plants and animals survive in a particular region? A) Habitat. B) Adaptations. C) Evolution. D) Features. Show Answer Correct Answer: B) Adaptations. 15. The amount of primary productivity generated by all producers in a given ecosystem is called ..... A) Gross primary production. B) Net primary production. C) Total cell respiration. D) Trophic levels. Show Answer Correct Answer: A) Gross primary production. 16. First species to populate an area during primary succession A) Endemic species. B) Pioneer species. C) Keystone species. D) Species richness. Show Answer Correct Answer: B) Pioneer species. 17. Consider the following food chain:Algae > Mayfly > Minnow > TroutIn a polluted ecosystem, which organism would likely have the HIGHEST level of toxic chemicals in its body? A) Algae. B) Mayfly. C) Minnow. D) Trout. Show Answer Correct Answer: D) Trout. 18. Systematics refers to the study of A) The classification and naming of organisms. B) The study of the human body. C) The study of the universe. D) The study of earth's atmosphere. Show Answer Correct Answer: A) The classification and naming of organisms. 19. Evolution is the change of populations of organisms over time; natural selection is the mechanism by which evolution occurs. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. Hybridization is the process of crossing 2 individuals with very different traits to get a "better" offspring A) FALSE. B) TRUE. C) All the above. D) None of the above. Show Answer Correct Answer: B) TRUE. 21. Grouping of plants helps: A) Identification. B) Conservation. C) Study. D) None of the above. Show Answer Correct Answer: A) Identification. 22. If gross primary productivity in a wetland is 3 kg C/m$^{2}$/year and respiration is 1.5 kg C/m$^{2}$/year, what is the net Primary Productivity of the wetland? A) 1.5 kg C/m$^{2}$/year. B) 2 kg C/m$^{2}$/year. C) 3 kg C/m$^{2}$/year. D) 4.5 kg C/m$^{2}$/year. Show Answer Correct Answer: A) 1.5 kg C/m$^{2}$/year. 23. Vermiform appendix is a part of A) Alimentary canal. B) Nervous system. C) Vascular system. D) Reproductive system. Show Answer Correct Answer: A) Alimentary canal. 24. Assertion:Consciousness is considered as the defining property of living organisms.Reason:All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli. A) Both assertion and reason are true reason is the correct explanation of assertion. B) Both assertion and reason are true and reason is not the correct explanation of assertion. C) Assertion is true but reason is false. D) Both assertion reason are false. Show Answer Correct Answer: A) Both assertion and reason are true reason is the correct explanation of assertion. 25. Invasive species grow quickly due to the lack of predators, this leads to a decline or extinction of the native population. True or false? A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. ← 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