This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 38 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Organisms which displays properties of both living and nonliving A) Viruses. B) Diatoms. C) Lichens. D) Bacteria. Show Answer Correct Answer: A) Viruses. 2. What is the difference between primary and secondary succcession? A) Primary succession already has soil. B) Lichen and moss come in for secondary succession. C) Secondary succession already has soil. D) Climax community is achieved quickly in primary succession. Show Answer Correct Answer: C) Secondary succession already has soil. 3. Choose the odd one outFish, Octopus, Frog, Dolphin A) Fish. B) Octopus. C) Frog. D) Dolphin. Show Answer Correct Answer: C) Frog. 4. The basic unit upon which the systems of classification are based is A) Species. B) Genus. C) Order. D) Family. Show Answer Correct Answer: A) Species. 5. What is leaching? A) The removal of nutrients from soil by rainfall. B) The washing away of litter by heavy rainfall. C) The breaking down of litter by worms and bacteria. D) The dropping of litter onto the surface by biomass. Show Answer Correct Answer: A) The removal of nutrients from soil by rainfall. 6. Which is not an effect of deforestation? A) Soil erosion. B) Economic development. C) Climate change contribution. D) Loss of biodiversity. E) Increase in tribes. Show Answer Correct Answer: E) Increase in tribes. 7. The plants with soft, green, and tender stems are: A) Herbs. B) Shrubs. C) Trees. D) None of the above. Show Answer Correct Answer: A) Herbs. 8. Denitrification is ..... A) The conversion of waste into ammonium. B) The conversion of atmospheric nitrogen into usable nitrogen. C) The conversion of soil nitrogen back into atmospheric nitrogen. D) The conversion of ammonium to nitrites. Show Answer Correct Answer: C) The conversion of soil nitrogen back into atmospheric nitrogen. 9. Process of converting nitrogen gas into ammonia A) Interspecific competition. B) Ammoniafication. C) Natural selection. D) Nitrogen fixation. Show Answer Correct Answer: D) Nitrogen fixation. 10. Which one is based on the contrasting characters generally in a pair called couplet? A) (a) taxon. B) (b) key. C) ( c) species. D) (d) genus. Show Answer Correct Answer: B) (b) key. 11. What is true about endemic species? A) They are more vulnerable to extinction. B) They are less vulnerable to extinction. C) All the above. D) None of the above. Show Answer Correct Answer: A) They are more vulnerable to extinction. 12. The removal of which type of species will cause a trophic cascade? A) Keystone Species. B) Invasive Species. C) Primary Consumer. D) Producer. Show Answer Correct Answer: A) Keystone Species. 13. Keys are based on contrasting characters generally in pair A) Couplet. B) Leed. C) Both 1& 2. D) None of above. Show Answer Correct Answer: A) Couplet. 14. Which species is most likely to recover fastest from a natural disruption? A) Low species diversity, High habitat diversity. B) High genetic diversity, Low species diversity. C) Medium genetic diversity, High species diversity. D) None of the above. Show Answer Correct Answer: C) Medium genetic diversity, High species diversity. 15. Products obtained directly from ecosystems for basic human needs are known as: A) Regulating services. B) Provisioning services. C) Cultural services. D) Supporting services. Show Answer Correct Answer: B) Provisioning services. 16. Which of the following is not needed for photosynthesis? A) Carbon dioxide. B) Water. C) Oxygen. D) Chlorophyll. Show Answer Correct Answer: C) Oxygen. 17. ..... is movement of water past the soil going deep into the groundwater. A) Evaporation. B) Transpiration. C) Percolation. D) Sublimation. Show Answer Correct Answer: C) Percolation. 18. When a spruce tree is harvested so the wood can be used to build a house, the tree is providing A) A cultural service. B) A provision. C) An intrinsic value. D) A monetary unit. Show Answer Correct Answer: B) A provision. 19. Approximately what percent of the water on Earth is freshwater (liquid and solid)? A) 75%. B) 25%. C) 2.5%. D) 0.25%. E) 0.025%. Show Answer Correct Answer: C) 2.5%. 20. True or False:Mass extinctions are common. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. ..... fulfill their need for nitrogen by consuming insects. A) Deodar tree. B) Venus flytrap. C) All the above. D) None of the above. Show Answer Correct Answer: B) Venus flytrap. 22. In what kingdom would you find Euglena and Amoeba? A) Plantae. B) Animalia. C) Fungi. D) Protista. Show Answer Correct Answer: D) Protista. 23. What is the genus of mango? A) Magnifera. B) Hibiscus. C) Sorghum. D) Canis. Show Answer Correct Answer: A) Magnifera. 24. Which of following refers to the number of different species found in an area? A) Species diversity. B) Species number. C) Species richness. D) Speciality. Show Answer Correct Answer: C) Species richness. 25. A new store and a parking lot are built in what was a large field. Which of the following is most likely to happen to the ecosystem in the field? A) There will be more food for the animals. B) More water will be available to the animals. C) There will be less food because there are fewer plants. D) None of the above. Show Answer Correct Answer: C) There will be less food because there are fewer plants. ← 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