This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is a photosynthetic protistan group found in both fresh water and marine water? A) Dinoflagellates. B) Chrysophytes (diatoms and desmids). C) Protozoans. D) Euglenoids. Show Answer Correct Answer: B) Chrysophytes (diatoms and desmids). 2. What is a specialist species? A) A species that can thrive in a wide range of environments and has diverse food needs. B) A species that has a narrow range of tolerance and specific habitat and food needs, making it more vulnerable to extinction. C) A species that is the most abundant in its ecosystem and has no specific habitat requirements. D) A species that migrates seasonally and adapts to various habitats. Show Answer Correct Answer: B) A species that has a narrow range of tolerance and specific habitat and food needs, making it more vulnerable to extinction. 3. Too much phosphorus in waterways (rivers, lakes) can lead to ..... A) Eutrophication. B) Nothing. C) Death. D) Diseases. Show Answer Correct Answer: A) Eutrophication. 4. Read the following statements and select the correct ones . Increase in mass and increase in number of individuals are twin characteristics of growth. Metabolic reactions van be demonstrated outside the body in isolated cell-free systems. Response to stimuli is a defining property of living organisms. A) 1 and 2. B) 2 and 3. C) 1 and 3. D) 1, 2, 3. Show Answer Correct Answer: D) 1, 2, 3. 5. Ernst mayer was born in A) 1904. B) 2004. C) 1999. D) 1997. Show Answer Correct Answer: A) 1904. 6. Which of the following are not types of kingdom sytem? A) Plant. B) Animal. C) Monera. D) Chordata. Show Answer Correct Answer: D) Chordata. 7. Full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions A) Niche. B) Hybrid. C) Ecotone. D) Mimicry. Show Answer Correct Answer: A) Niche. 8. What is the significance of biodiversity in agriculture? A) Biodiversity has no impact on soil health. B) Biodiversity is significant in agriculture as it promotes resilience, enhances productivity, and supports ecosystem services. C) Biodiversity decreases crop yields and productivity. D) Biodiversity is only important for wildlife, not agriculture. Show Answer Correct Answer: B) Biodiversity is significant in agriculture as it promotes resilience, enhances productivity, and supports ecosystem services. 9. Where does rain occur? A) Low pressure. B) High pressure. C) All the above. D) None of the above. Show Answer Correct Answer: A) Low pressure. 10. Nitrogen can move from abiotic components of a biome, into biotic components of a biome after: A) Reduction. B) Nitrification. C) Denitrification. D) Fixation. Show Answer Correct Answer: D) Fixation. 11. Which of the following organism has self consciousness? A) All organism. B) Humans only. C) All plants. D) All animals. Show Answer Correct Answer: B) Humans only. 12. The label of a herbarium sheet does not carry information on A) Date of collection. B) Names of collector. C) Local names. D) Height of the plant. Show Answer Correct Answer: D) Height of the plant. 13. A chemical pesticide was applied to an area of this ecosystem by a landowner to control the mouse population. There was a decrease in the mouse population due to the presence of this pesticide. Which one of the following would most likely occur due to this change in the ecosystem? A) The amount of grass would decrease. B) The snake population would increase. C) The rabbit food supply would increase. D) The snake food supply would increase. Show Answer Correct Answer: C) The rabbit food supply would increase. 14. Stored energy A) Non-native species. B) Potential energy. C) Bottleneck effect. D) Natural selection. Show Answer Correct Answer: B) Potential energy. 15. What is an invasive species? A) A native (naturally found) species which are added to an area. B) A non-native (not naturally found) species added to an area. C) A keystone species in an environment. D) None of the above. Show Answer Correct Answer: B) A non-native (not naturally found) species added to an area. 16. What factors contribute to the global distribution of terrestrial biomes? A) Climate, geography, latitude and altitude, and water availability. B) Salinity, depth, turbidity, nutrient availability, and temperature. C) Climate, geography, latitude and altitude, nutrient availability, and soil. D) Salinity, depth, turbidity, and temperature. Show Answer Correct Answer: C) Climate, geography, latitude and altitude, nutrient availability, and soil. 17. Which of the following is an example of an invertebrate? A) Dog. B) Spider. C) Elephant. D) Fish. Show Answer Correct Answer: B) Spider. 18. Which type of bacteria would transform nitrate into nitrogen gas? A) Nitrogen-fixing. B) Denitrifying. C) Nitrifying. D) Nitrogen-defixing. Show Answer Correct Answer: B) Denitrifying. 19. Which of the following shows maximum diversity? A) Plants. B) Animalia. C) Monerans. D) Protistans. Show Answer Correct Answer: B) Animalia. 20. Cyanobacteria are also known as: A) Green algae. B) Red algae. C) Blue-green algae. D) Brown algae. Show Answer Correct Answer: C) Blue-green algae. 21. Some plants having plesant odour and attractive colours for A) Hydrophily. B) Anemophily. C) Entomophily. D) None of these. Show Answer Correct Answer: C) Entomophily. 22. Omnivore A) Plant eaters. B) Plant & meat eaters. C) Meat eaters. D) None of the above. Show Answer Correct Answer: B) Plant & meat eaters. 23. Which one of the following does not grow? A) Tree. B) Rubber band. C) Baby. D) Snail. Show Answer Correct Answer: B) Rubber band. 24. Organisms with a small gene pool have a ..... chance of surviving. A) Greater. B) Smaller. C) All the above. D) None of the above. Show Answer Correct Answer: B) Smaller. 25. A group of plants or animals with similar trait of any rank is A) Species. B) Genus. C) Order. D) Taxon. Show Answer Correct Answer: D) Taxon. ← 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