This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 53 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 53 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What percentage of the Earth's fresh water is available for drinking? A) 10%. B) <1%. C) 3%. D) 15%. Show Answer Correct Answer: B) <1%. 2. What is a climax community? A) A temporary ecological community that changes frequently over time. B) A stable and mature ecological community that undergoes little change in species composition over time. C) A community that is dominated by invasive species and lacks biodiversity. D) A community that is in the early stages of ecological succession. Show Answer Correct Answer: B) A stable and mature ecological community that undergoes little change in species composition over time. 3. How much rainfall does a Tropical Rainforest get a month? A) Below 100mm. B) 200mm. C) 250mm. D) Over 250mm. E) Below 50mm. Show Answer Correct Answer: D) Over 250mm. 4. Describes the amount of diversity within the gene pool of a species ..... A) Genetic diversity. B) Species diversity. C) Habitat diversity. D) None of the above. Show Answer Correct Answer: A) Genetic diversity. 5. What is one way that people add Nitrogen into the environment? A) By littering. B) By using fertilizer on farms. C) By burning fossil fuels. D) None of the above. Show Answer Correct Answer: B) By using fertilizer on farms. 6. In majority of higher animals and plants, ..... and ..... are mutually exclusive events. A) Growth; nutrition. B) Nutrition; consciousness. C) Growth; reproduction. D) Reproduction; consciousness. Show Answer Correct Answer: C) Growth; reproduction. 7. Man and housefly have same A) Division. B) Phylum. C) Kingdom. D) Class. Show Answer Correct Answer: C) Kingdom. 8. What is an animal habitat? A) What animals eat. B) Where animals swim. C) A natural home or environment of an animal. D) None of the above. Show Answer Correct Answer: C) A natural home or environment of an animal. 9. Which biome can be found between the equator and the Tropic of Cancer? A) Deciduous forest. B) Tundra. C) Grasslands. D) Tropical rainforest. Show Answer Correct Answer: D) Tropical rainforest. 10. Which ofthe following taxonomic aid provides information for the identification of names of species found in an area? A) Monograph. B) Manual. C) Flora. D) Periodical. Show Answer Correct Answer: B) Manual. 11. Match the following sets:a) Family i) Tuberosum b) Kingdom ii) Polymoniales c) Order iii) Solanum d) Species iv) Plantae e) Genus v) Solanaceae A) I-d ; ii-c ; iii-e ; iv-b ; v-a. B) I-e ; ii-d ; iii-b ; iv-a ; v-c. C) I-d ; ii-e ; iii-b ; iv-a ; v-c. D) I-e ; ii-c ; iii-b ; iv-a ; v-d. Show Answer Correct Answer: A) I-d ; ii-c ; iii-e ; iv-b ; v-a. 12. Transpiration A) Destruction of vegetation caused by too many grazing animals consuming the plants in a particular area so they cannot recover. B) Evaporation of water from the leaves of a plant. C) Small patches of habitat surrounded by areas of unsuitable habitat, (noun). D) A natural area protected and managed by the federal government. Show Answer Correct Answer: B) Evaporation of water from the leaves of a plant. 13. Which of the following is a primary producer in an aquatic food chain? A) Zooplankton. B) Baleen whale. C) Herbivorous zooplankton. D) Phytoplankton. Show Answer Correct Answer: D) Phytoplankton. 14. What is the process called that changes atmospheric nitrogen into compounds that are usable by living things? A) Nitrogen fixation. B) Nitrogen breaking. C) Photosynthesis. D) Respiration. Show Answer Correct Answer: A) Nitrogen fixation. 15. ..... productivity = the organic materials that remain after photosynthetic organisms in the ecosystem have used some of these compounds for their cellular energy needs (cellular respiration). A) Gross. B) Primary. C) Net. D) Secondary. Show Answer Correct Answer: C) Net. 16. The tropical rain forest & tropical savanna biomes are similar in ..... , but ..... A) Temperature / the savannah doesn't receive enough rainfall to be a forest. B) Precipitation / the rain forest is hotter. C) Precipitation / the savanna is cooler. D) Temperature / the rain forest doesn't receive enough sunlight to be a savanna. Show Answer Correct Answer: A) Temperature / the savannah doesn't receive enough rainfall to be a forest. 17. A relationship between two species in which both species benefit A) Bottleneck effect. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: C) Mutualism. 18. Define the term:Mutualism. A) Mutualism is a symbiotic relationship where both organisms benefit. B) Mutualism is a relationship where one organism benefits and the other is harmed. C) Mutualism is a relationship where one organism benefits and the other is unaffected. D) Mutualism is a competitive relationship where both organisms are harmed. Show Answer Correct Answer: A) Mutualism is a symbiotic relationship where both organisms benefit. 19. Fill in the blank:A ..... is an area especially rich in plant species that is found nowhere else and is in great danger of extinction. Such areas suffer serious ecological disruption, mostly because of rapid human population growth and the resulting pressure on natural resources. A) Biodiversity hotspot. B) Rainforest. C) Desert biome. D) Tundra region. Show Answer Correct Answer: A) Biodiversity hotspot. 20. The scientific term for biological classification categories is the: A) Species. B) Taxon. C) Phylum. D) Domain. Show Answer Correct Answer: B) Taxon. 21. Can you identify the correct sequence of taxonomical categories? A) Species-Order-Phylum-Kingdom. B) Genus-Species-Order Kingdom. C) Species-Genus-Order-Phylum. D) Species-Genus-phylum-order. Show Answer Correct Answer: C) Species-Genus-Order-Phylum. 22. Which is another term for selective breeding? A) Artificial selection. B) Natural Selection. C) Intelligent selection. D) None of the above. Show Answer Correct Answer: A) Artificial selection. 23. What are pioneer species? A) Organisms that are the last to colonize an ecosystem. B) The first organisms to colonize previously disrupted or damaged ecosystems. C) Species that only thrive in aquatic environments. D) Plants that grow in extreme conditions like deserts. Show Answer Correct Answer: B) The first organisms to colonize previously disrupted or damaged ecosystems. 24. A species who is extremely important and vital to an ecosystem (it may not be the biggest in number) A) Dominant species. B) Keystone species. C) Alien species. D) Invasive species. Show Answer Correct Answer: B) Keystone species. 25. The biological concept of species is mainly based on- A) Morphological features. B) Morphology and method of reproduction. C) Method of reproduction only. D) Reproductive isolation. Show Answer Correct Answer: D) Reproductive isolation. ← 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