This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens to biodiversity when habitats are damaged? A) It becomes more diverse. B) It increases. C) It remains the same. D) It decreases. Show Answer Correct Answer: D) It decreases. 2. Name the levels of an ecosystem in order from smallest to largest. A) Ecosystem, population, organism, community. B) Community, organism, population, ecosystem. C) Organism, population, community, ecosystem. D) Ecosystem, community, population, organism. Show Answer Correct Answer: C) Organism, population, community, ecosystem. 3. New species that have not been there before, is introduced into an ecosystem A) Non-native species. B) Competitive exclusion principle. C) Range of tolerance. D) Bottle neck effect. Show Answer Correct Answer: A) Non-native species. 4. Members of which kingdom never have a cell wall? A) Animalia. B) Plantae. C) Archaebacteria. D) Protista. Show Answer Correct Answer: A) Animalia. 5. The carbon in coal, oil, and natural gas came from A) The combustion of fossil fuels. B) The remains of dead organisms. C) Carbon-fixing bacteria in swamp soil. D) Carbon dioxide dissolved in ocean water. Show Answer Correct Answer: B) The remains of dead organisms. 6. PROTEOBACTERIA ARE A) BACTERIA. B) GRAM POSITIVE BACTERIA. C) MOST GRAM NEGATIVE BACTERIA. D) NONE. Show Answer Correct Answer: C) MOST GRAM NEGATIVE BACTERIA. 7. Secondary Consumer A) An organism that eats primary consumers. B) An organism that cannot make its own food. C) An organism that makes its own food. D) An organism made of a fungus and either algae or autotrophic bacteria that live together in a mutualistic relationship. Show Answer Correct Answer: A) An organism that eats primary consumers. 8. When an animal dies, the once-living matter from the animal's body ..... A) Regenerates so the animal can live again. B) Is broken down and passes into the soil and air. C) Remains exactly the same for millions of years. D) Disintegrates into small particles that eventually disappear. Show Answer Correct Answer: B) Is broken down and passes into the soil and air. 9. What are the characteristics of a stratified society? A) Characteristics of a stratified society include social hierarchy, unequal resource distribution, distinct social classes, and ranking based on factors like wealth and power. B) Uniform distribution of resources. C) Absence of social classes. D) Complete equality among all members. Show Answer Correct Answer: A) Characteristics of a stratified society include social hierarchy, unequal resource distribution, distinct social classes, and ranking based on factors like wealth and power. 10. ..... a biological process in which a small group of a larger population establishes a new, isolated population, and the new group's gene pool has a different allele frequency than the original population due to the founder's specific genetic makeup. A) Founder effect. B) Genetic drift. C) Natural selection. D) Gene flow. Show Answer Correct Answer: A) Founder effect. 11. Fill in the blank: ..... is the removal of trees from a forested area. A) Deforestation. B) Afforestation. C) Photosynthesis. D) Erosion. Show Answer Correct Answer: A) Deforestation. 12. ..... is the study of the relationships between living organisms, including humans, and their physical environment; it seeks to understand the vital connections between plants and animals and the world around them. A) Biology. B) Ecology. C) Ecosystem. D) Habitat. Show Answer Correct Answer: B) Ecology. 13. The nutrients layer in the rainforest is ..... ? A) High in nutrients and deep down. B) Thick nutrients layer. C) No nutrient layer. D) Thin and low in nutrients Option 4 (optional). Show Answer Correct Answer: D) Thin and low in nutrients Option 4 (optional). 14. An ecosystem contains A) Only one species. B) Multiple species. C) Living and non-living components. D) All the similar biomes across the world. Show Answer Correct Answer: C) Living and non-living components. 15. ..... is the process by which water vapor in the air is changed into liquid water ..... is crucial to the water cycle because it is responsible for the formation of clouds. A) Transportation. B) Percolation. C) Condensation. D) Plant Uptake. Show Answer Correct Answer: C) Condensation. 16. 'Aves' taxonomically represent a A) Family. B) Order. C) Class. D) Phylum. Show Answer Correct Answer: C) Class. 17. An organism that does not show locomotion: A) Sea anemone. B) Elephant. C) Mango Tree. D) Butterfly. Show Answer Correct Answer: A) Sea anemone. 18. What does a biomass pyramid compare? A) The amount of biomass at each trophic level. B) The amount of energy available at each trophic level. C) The amount of biomass consumed at each trophic level. D) The amount of individuals at each trophic level. Show Answer Correct Answer: A) The amount of biomass at each trophic level. 19. ICBN is A) International code of biological naming. B) International code of botanical nomenclature. C) International class of biological nomenclature. D) International classification of biological nomenclature. Show Answer Correct Answer: B) International code of botanical nomenclature. 20. Tree planting can reduce desertification by ..... A) Giving more wood for people to use as fuel. B) Allows the soil to be baked by the sun and then eroded. C) People can tap into the plants and drink fresh water. D) The roots hold the soil together and they act as windbreaks. Show Answer Correct Answer: D) The roots hold the soil together and they act as windbreaks. 21. A niche ..... A) Is the function that an organism performs in the food web of that community. B) Includes everything else the organism does and needs in its environment. C) Is specific to each individual animal and plant. D) All of the above. Show Answer Correct Answer: D) All of the above. 22. What is formed during primary succession that doesn't need to be formed during secondary succession? A) Pioneer species. B) Soil. C) Climax community. D) Lichens. Show Answer Correct Answer: B) Soil. 23. Measurement of different species in a given area to describe an ecosystem (synonym for species diversity) A) Species richness. B) Species diversity. C) Ecosystem diversity. D) Species evenness. Show Answer Correct Answer: B) Species diversity. 24. Fill in the blank:A ..... is a community of plants, animals and fungi which, through the process of ecological succession in the development of vegetation in an area over time, have reached a steady state. A) Climax community. B) Pioneer species. C) Invasive species. D) Secondary consumer. Show Answer Correct Answer: A) Climax community. 25. Buffer zone A) An area of land that serves as a barrier. B) An area that supports a large number of native species. C) The formation of new and distinct species in the course of evolution. D) Evaporation of water from the leaves of a plant. Show Answer Correct Answer: A) An area of land that serves as a barrier. ← 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