This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Mule, Tigon, Liger and Hinny A) Species. B) Subspecies. C) Hybrids. D) Categories. Show Answer Correct Answer: C) Hybrids. 2. A species form that supports an entire ecosystem. A) Keystone Species. B) Herbivores. C) Umbrella Species. D) Predators. Show Answer Correct Answer: A) Keystone Species. 3. What type of root system does a mustard plant have? A) Fibrous root system. B) Taproot system. C) Adventitious root system. D) None of the above. Show Answer Correct Answer: B) Taproot system. 4. Non living things need ..... A) A. air. B) B. water. C) C. nothing. D) None of the above. Show Answer Correct Answer: C) C. nothing. 5. A positive feedback loop occurs A) When a system responds to a change by returning to its original state. B) When feedback into a system decreases a rate of response. C) When a system is in a steady state. D) When feedback into a system increases a rate of response. Show Answer Correct Answer: D) When feedback into a system increases a rate of response. 6. What is a layer of rock or sediment that holds water? A) Glacier. B) Well. C) Aquifer. D) Natural spring. Show Answer Correct Answer: C) Aquifer. 7. .What is the effect of deforestation on the carbon cycle? A) Increase in the amount of CO2 in the atmosphere. B) Decrease in the amount of CO2 in the atmosphere. C) Increase in the amount of photosynthesis. D) Deforestation has no impact on the carbon cycle. Show Answer Correct Answer: A) Increase in the amount of CO2 in the atmosphere. 8. In an ecological interaction, commensalism can be represented as: A) +-. B) . C) + 0. D) + +. Show Answer Correct Answer: C) + 0. 9. Filamentous Algae reproduce through A) True regeneration. B) Spore formation. C) Fragmentation. D) Sexual reproduction. Show Answer Correct Answer: C) Fragmentation. 10. A book containing information as to the habitat climate description and index of plants found in a specific area A) Flora. B) Key. C) Manual. D) Monograph. Show Answer Correct Answer: A) Flora. 11. When dangerous toxins build up in organisms and are passed on from one level to the next in a food chain A) Succession. B) Equilibrium. C) Bioaccumulation. D) Exponential growth. Show Answer Correct Answer: C) Bioaccumulation. 12. In which populations does genetic drift most often occur? A) In small populations. B) In large populations. C) In marine populations. D) In terrestrial populations. Show Answer Correct Answer: A) In small populations. 13. Ecosystem resilience refers to: A) The unchanging nature of ecosystems over time. B) The ability to recover from external disturbances. C) Ecosystems with high diversity. D) A steady state of community biomass. Show Answer Correct Answer: B) The ability to recover from external disturbances. 14. Which of the following activities is most likely restricted within the AWNR reserve? A) Educational tours. B) Wildlife observation. C) Oil drilling and large-scale mining. D) Scientific research. Show Answer Correct Answer: C) Oil drilling and large-scale mining. 15. Atmospheric circulation moves heat: A) From the poles to the equator. B) Across mid latitudes. C) From the equator to the poles. D) From the Northern to the Southern Hemisphere. Show Answer Correct Answer: C) From the equator to the poles. 16. The term 'taxon'is used for A) The ranks of species and genus. B) The ranks up to phylum. C) The species epithet only. D) Any rank of taxonomic hierarchy. Show Answer Correct Answer: D) Any rank of taxonomic hierarchy. 17. ..... is a part of oceans, air, rocks, soil, and all living things. A) Nitrogen. B) Water. C) Carbon. D) Silver. Show Answer Correct Answer: C) Carbon. 18. An organism that eats herbivores and/or plant matter (eats producer) A) Consumer. B) Producer. C) Decomposer. D) Devourer. Show Answer Correct Answer: A) Consumer. 19. On islands, species richness increases with ..... and decreases with ..... A) Area, shape. B) Shape, isolation. C) Isolation, area. D) Area, isolation. E) Isolation, shape. Show Answer Correct Answer: D) Area, isolation. 20. A secondary consumer A) Eats primary consumers. B) Eats producers. C) Eats plants. D) None of the above. Show Answer Correct Answer: A) Eats primary consumers. 21. Growth occurs when the A) Ratio of anabolic processes and catabolic processes are equal. B) Ratio of anabolic processes is more than catabolic processes. C) Ratio of catabolic processes is more than anabolic processes. D) Anabolic processes and catabolic processes does not take place. Show Answer Correct Answer: B) Ratio of anabolic processes is more than catabolic processes. 22. Which sphere can be described as the solid exterior and interior of Earth? A) Biosphere. B) Geosphere. C) Hydrosphere. D) Atmosphere. Show Answer Correct Answer: B) Geosphere. 23. Which feature is used to group plants? A) The color of their leaves. B) The shape of their roots. C) The type of stem they have. D) The size of their flowers. Show Answer Correct Answer: C) The type of stem they have. 24. Fill in the blank:A ..... is a designated area used to protect sensitive landscape patches (e.g. wetlands, wildlife reserves) from negative external pressures. A) Buffer zone. B) Core area. C) Transition zone. D) Corridor. Show Answer Correct Answer: A) Buffer zone. 25. Which animal is known for walking and flying? A) Fish. B) Crow. C) Snake. D) Dog. Show Answer Correct Answer: B) Crow. ← 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 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