This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 58 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 58 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The layer of gases that surround the earth and keeps us warm and insulated A) Lithosphere. B) Hydrosphere. C) Biosphere. D) Atmosphere. Show Answer Correct Answer: D) Atmosphere. 2. Read the following statements and select the correct optionStatement 1:Reproduction cannot be considered as defining property of living organisms.Statement 2:There are many living organisms which do not reproduce, e.g., mules, worker bees, etc. A) Both statements 1 and 2 are correct. B) Statement 1 is correct but statement 2 is incorrect. C) Statement 1 is incorrect but statement 2 is correct. D) Both statements 1 and 2 are incorrect. Show Answer Correct Answer: A) Both statements 1 and 2 are correct. 3. Producers are the most important element of a food web because: A) They create food and oxygen while taking CO2 out of the air. B) They create food and oxygen. C) They create oxygen and water. D) They take CO2 out of the air. Show Answer Correct Answer: A) They create food and oxygen while taking CO2 out of the air. 4. Which of the following organisms do not show respiratory movements? A) Plants. B) Animals. C) Micro-organisms. D) Insects. Show Answer Correct Answer: A) Plants. 5. BASIC UNIT OF CLASSIFICATION A) GENUS. B) FAMILY. C) KEY. D) SPECIES. Show Answer Correct Answer: D) SPECIES. 6. Bacteria, fungi, and earthworms are examples of: A) Scavengers. B) Predators. C) Prey. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 7. A group of related families that show similar characteristics A) Order. B) Genus. C) Class. D) None of the above. Show Answer Correct Answer: A) Order. 8. Primary succession A) The number and relative abundance of species in a biological community. B) An ecological succession that begins in an area where no biotic community previously existed. C) Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans. D) Type of succession that occurs in an area that was only partially destroyed by disturbances. Show Answer Correct Answer: B) An ecological succession that begins in an area where no biotic community previously existed. 9. Which engineering challenge was most significant in constructing the Trans Alaska Pipeline? A) Building through dense rainforests. B) Crossing permafrost and earthquake-prone areas. C) Dealing with high humidity and monsoon rains. D) Constructing underwater tunnels. Show Answer Correct Answer: B) Crossing permafrost and earthquake-prone areas. 10. ..... primary productivity is the rate of the total amount of energy that producers convert to chemical energy in organic molecules per. (rate of photosynthesis) A) Net. B) Total. C) Gross. D) None of the above. Show Answer Correct Answer: C) Gross. 11. Match the word to the definition:degree to which comparative number of individuals of each of the species present in a community are similar A) Species evenness. B) Species richness. C) Genetic diversity. D) Ecosystem stability. Show Answer Correct Answer: A) Species evenness. 12. What is the main suspected environmental problem associated with the burning of fossil fuels? A) Depletion of fresh water. B) Depletion of ozone. C) Global cooling. D) Global warming. Show Answer Correct Answer: D) Global warming. 13. Most names in biological nomenclature of living organisms are taken from which language? A) Hindi. B) Latin. C) German. D) French. Show Answer Correct Answer: B) Latin. 14. The number of species that are known and described range between? A) 5-50 million. B) 1.7-1.8 billion. C) 1.7-1.8 million. D) 0.5 million. Show Answer Correct Answer: C) 1.7-1.8 million. 15. This is a major issue right now:the loss of species from extinction, which can harm the sustainability of ecosystems A) Greenhouse gases. B) Sustainable ecosystems. C) Equilibrium. D) Biodiversity crisis. Show Answer Correct Answer: D) Biodiversity crisis. 16. The process by which plants make their own food is called ..... A) Digestion. B) Respiration. C) Photosynthesis. D) Excretion. Show Answer Correct Answer: C) Photosynthesis. 17. Invasive species are successful because A) They enter an ecosystem much like the one they come from. B) They are the first organisms to appear after a disturbance. C) They have no predators and reduced competition. D) They require less energy and can fit in lower trophic levels. Show Answer Correct Answer: C) They have no predators and reduced competition. 18. How does diversity in social structures affect community dynamics? A) Diversity has no impact on creativity or problem-solving in communities. B) Diversity in social structures leads to uniformity in community dynamics. C) Social structures are irrelevant to community dynamics. D) Diversity in social structures enriches community dynamics by enhancing creativity and problem-solving while also posing challenges in communication and conflict resolution. Show Answer Correct Answer: D) Diversity in social structures enriches community dynamics by enhancing creativity and problem-solving while also posing challenges in communication and conflict resolution. 19. Natural processes such as nutrient cycling and the creation of soils are all examples of what type of ecosystem service? A) Provisioning. B) Regulating. C) Cultural. D) Supporting. Show Answer Correct Answer: D) Supporting. 20. What type of organism is prokaryotic, unicellular and autotrophic? A) Plant. B) Protist. C) Fungi. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 21. What is the main source of energy for animals? A) Consuming plants or other animals. B) Sunlight. C) Water. D) Carbon dioxide. Show Answer Correct Answer: A) Consuming plants or other animals. 22. Statement 1:Reproduction cannot be considered as a defining property of living organisms.Statement 2:there are many living organisms which do not reproduce, e.g, mules, workers bees, etc A) Both statements are correct. B) 1 is correct but 2 is incorrect. C) 1 is incorrect but 2 is correct. D) Both statements are incorrect. Show Answer Correct Answer: A) Both statements are correct. 23. Taxon is a unit of A) Order. B) Taxonomy. C) Species. D) Genus. Show Answer Correct Answer: B) Taxonomy. 24. Where do nearly half of Alaska's residents live? A) Anchorage city area. B) Fairbanks urban area. C) Juneau metropolitan. D) Nome coastal region. Show Answer Correct Answer: A) Anchorage city area. 25. Naming of organisms is done based on guidelines of A) INOTAXA. B) IISC. C) NITT. D) ICZN. Show Answer Correct Answer: D) ICZN. ← 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