This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The original source of energy for a food web is ..... A) Plants. B) Sun. C) Producers. D) Decomposers. Show Answer Correct Answer: B) Sun. 2. Competitive interactions among members of two or more different species. A) Intraspecific. B) Interspecific. C) All the above. D) None of the above. Show Answer Correct Answer: B) Interspecific. 3. Which statement about Alaska's population is true? A) It is one of the most sparsely populated areas. B) It has one of the densest populations. C) Most residents live in rural tundra. D) Population exceeds ten million people. Show Answer Correct Answer: A) It is one of the most sparsely populated areas. 4. What is a generalist species? A) A species that can adapt to a wide range of habitats. B) A species that has a narrow range of tolerance and specific habitat and food needs. C) A species that is highly competitive and invasive. D) A species that is easily disturbed by invasive species. Show Answer Correct Answer: A) A species that can adapt to a wide range of habitats. 5. Which is/are defining property of living? A) Metabolism. B) Response to stimuli. C) Growth. D) Metabolism, response to stimuli. Show Answer Correct Answer: D) Metabolism, response to stimuli. 6. Define the term:Salinity. A) Salinity is the concentration of salts in water or soil. B) Salinity is the process of water evaporation from soil. C) Salinity is the amount of oxygen dissolved in water. D) Salinity is the temperature of water in a given area. Show Answer Correct Answer: A) Salinity is the concentration of salts in water or soil. 7. First step in taxanomy is A) Description of the organism. B) Identification of the organism. C) Nomenclature of the organism. D) Classification of the organism. Show Answer Correct Answer: B) Identification of the organism. 8. Mango and wheat show higher similarity at level of A) Division. B) Phylum. C) Kingdom. D) Order. Show Answer Correct Answer: A) Division. 9. Consumers that eat animals after they have died are called: A) Scavengers. B) Decomposers. C) Carnivores. D) Detrivores. Show Answer Correct Answer: A) Scavengers. 10. An organism that uses an outside source of energy like the sun to create energy-rich food molecules. A) Consumer. B) Producer. C) Decomposer. D) Parasite. Show Answer Correct Answer: B) Producer. 11. A relationship between two species in which both species compete for limited resources such that both species are negatively affected by the relationship A) Symbiosis. B) Interspecific competition. C) Species richness. D) Species-area effect. Show Answer Correct Answer: B) Interspecific competition. 12. The abiotic conditions under which a species can survive and reproduce is called its A) Range of tolerance. B) Realized niche. C) Environmental distribution. D) Fundamental niche. Show Answer Correct Answer: A) Range of tolerance. 13. The sulfur cycle does not involve volcanoes. A) False. B) True. C) Maybe. D) None of the above. Show Answer Correct Answer: A) False. 14. What advantage do generalist species have in habitats that are constantly changing? A) They can easily switch their diet to a new food source. B) They have a broad range of tolerance. C) They are less likely to become extinct. D) They are highly competitive and invasive. Show Answer Correct Answer: A) They can easily switch their diet to a new food source. 15. Which of the following is an example of a genetically modified organism (GMO)? A) A wild-type fruit fly. B) A cloned sheep. C) A bacteria that produces insulin. D) A naturally occurring plant. Show Answer Correct Answer: C) A bacteria that produces insulin. 16. Goat moves with the help of: A) Legs. B) Wings. C) Fins. D) None of the above. Show Answer Correct Answer: A) Legs. 17. Which of the following is TRUE about the roles of BOTH parasites and predators in ecosystems? A) Parasites and predators eliminate the weak and sick, leaving the strongest to reproduce. B) Predators and parasites can act as environmental resistance and allow the host population to grow. C) Predators are generally smaller and parasites support many predators. D) Predators generally have specialized means to capture prey. Show Answer Correct Answer: A) Parasites and predators eliminate the weak and sick, leaving the strongest to reproduce. 18. What does a high biodiversity mean? A) Lots of plants and animals. B) Many species of plants and animals. C) Few plants and animals. D) Very rare plants and animals. Show Answer Correct Answer: B) Many species of plants and animals. 19. Different species of plant-eating animals on the savanna eat plants at different heights. Why do animals adapt this way? A) They are picky eaters. B) They avoid their predators which are at the other heights. C) They can all share the same habitat. D) They migrate to the savanna during different seasons. Show Answer Correct Answer: C) They can all share the same habitat. 20. What does nocturnal mean? A) Being able to blend in which the environment. B) Being active at night and sleeping during the day. C) Soil that does not have very much humus. D) A biome with a hot temperatures and a dry climate. Show Answer Correct Answer: B) Being active at night and sleeping during the day. 21. What is the 10% rule? A) Approximately 25% of energy is passed on from one trophic level to the next. B) Approximately 50% of energy is passed on from one trophic level to the next. C) Approximately 90% of energy is passed on from one trophic level to the next. D) Approximately 10% of energy is passed on from one trophic level to the next. Show Answer Correct Answer: D) Approximately 10% of energy is passed on from one trophic level to the next. 22. Some plants on the Forest floor have adapted to eat insects and small animals. This is because ..... A) The forest floor is full of insects. B) The forest floor has poor nutrients in the soil. C) The forest floor has tasty insects. D) The forest floor has soil rich in nutrients. Show Answer Correct Answer: B) The forest floor has poor nutrients in the soil. 23. Offspring of crosses between parents with different traits A) Mimicry. B) Niche. C) Hybrid. D) Salinity. Show Answer Correct Answer: C) Hybrid. 24. What island would have the greatest biodiversity according to the theory of island biogeography? A) A small island that's far from the mainland. B) A small island that is close to the mainland. C) A large island that's far from the mainland. D) A large island that is close to the mainland. Show Answer Correct Answer: D) A large island that is close to the mainland. 25. About ..... species of animals which have been identified, named, described and classified. A) 8.7 million. B) 7.6 million. C) 7.2 million. D) 8.3 million. Show Answer Correct Answer: A) 8.7 million. ← 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