This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 1 The Living World – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hybrids between closely related species are obtained in captivity and these hybrids are generally sterile, but some are fertile as well. The fertile hybrid among the following are 1.Liger 3.mule2.hinny. 4.tigon A) 3 & 4. B) 2 &. 3. C) 1 &. 4. D) 1 &. 2. Show Answer Correct Answer: C) 1 &. 4. 2. Plants are an example of: A) Consumers. B) Heterotrophs. C) Producers. D) Decomposers. Show Answer Correct Answer: C) Producers. 3. What is the main objective of the nature walk organized by Dr. Raghu? A) To collect samples of plants. B) To experience the beauty and variety of plants and animals. C) To learn about weather conditions. D) To conduct scientific experiments. Show Answer Correct Answer: B) To experience the beauty and variety of plants and animals. 4. The label of a herbarium sheet does not carryinformation on A) Name of collector. B) Local names. C) Height of the plant. D) Date of collection. Show Answer Correct Answer: C) Height of the plant. 5. Wisdom teeths are:- A) Last premolars. B) Canines. C) Last molars. D) Incisors. Show Answer Correct Answer: C) Last molars. 6. Which process involves the modification of an organism's genetic material to achieve desired traits? A) Genetic Engineering. B) Cell Division. C) Natural Selection. D) Photosynthesis. Show Answer Correct Answer: A) Genetic Engineering. 7. Which is the scientifically supported theory of evolution A) Natural selection. B) Evolution didn't happen. C) Robots. D) None of the above. Show Answer Correct Answer: A) Natural selection. 8. What are the different types of species interactions? A) Natural selection. B) Ecosystem dynamics. C) Symbiosis. D) Mutualism, commensalism, parasitism, predation, competition, amensalism. Show Answer Correct Answer: D) Mutualism, commensalism, parasitism, predation, competition, amensalism. 9. What is the primary purpose of establishing the AWNR reserve? A) To promote urban development. B) To protect wildlife habitats and natural resources. C) To build new highways. D) To increase commercial fishing. Show Answer Correct Answer: B) To protect wildlife habitats and natural resources. 10. ..... of higher animals and plants, growth and reproduction are ..... A) Most, mutually exclusive event. B) Majority, mutually exclusive event. C) Majority, mutually inclusive event. D) None of above. Show Answer Correct Answer: B) Majority, mutually exclusive event. 11. Which process maintains the constant amount of carbon dioxide gas and oxygen gas in the atmosphere? A) Earthquake. B) Tsunami. C) Photosynthesis. D) Sunlight. Show Answer Correct Answer: C) Photosynthesis. 12. Which of the following statements best describes a 'food chain' A) The movement of nutrients in an ecosystem. B) A complex connection of food chains. C) The links (of energy) between producers and consumers. D) None of the above. Show Answer Correct Answer: C) The links (of energy) between producers and consumers. 13. Which adaptation helps plants to conserve water? A) Thick stems. B) Spines. C) Wide leaves. D) Small leaves. Show Answer Correct Answer: D) Small leaves. 14. Which of the following sets does not contain defining characteristics of living organisms? A) Growth and reproduction. B) Metabolism and cellular level of organisation. C) Response to stimuli and consciousness. D) All of these. Show Answer Correct Answer: A) Growth and reproduction. 15. The ..... body of birds also minimises the resistance of air while flying. A) Spindle shaped. B) Flattered shape. C) All the above. D) None of the above. Show Answer Correct Answer: A) Spindle shaped. 16. The scientific name for humans is ..... A) Homo sapiens. B) Homo neandertal. C) Homo Sapiens. D) Homo sapiens. Show Answer Correct Answer: A) Homo sapiens. 17. This biome has trees that lose their leafs in the winter, experiences four seasons, and gets enough rain to support the growth of trees. A) Rain forest. B) Taiga. C) Grassland. D) Deciduous forest. Show Answer Correct Answer: D) Deciduous forest. 18. Number of bivalent and tetrad formed in humans gamete cells- A) Insufficient information for any conclusion. B) 0. C) 46. D) 23. Show Answer Correct Answer: B) 0. 19. Where can amphibians live? A) Only in water. B) Only on land. C) Both on land and in water. D) In the air. Show Answer Correct Answer: C) Both on land and in water. 20. The basic unit of taxonomical classification is A) Phylum. B) Family. C) Genus. D) Species. Show Answer Correct Answer: D) Species. 21. Which nitrogen cycle process is occurring when nitrogen in plant or animal protein is converted to ammonium? A) Nitrification. B) Ammonification. C) Nitrogen fixation. D) Denitrification. E) Assimilation. Show Answer Correct Answer: B) Ammonification. 22. Which type of bacteria is rod-shaped? A) Spirillum. B) Cocci. C) Vibrio. D) Bacillus. Show Answer Correct Answer: D) Bacillus. 23. Which of the following would be an example of a regulating service? A) Bees pollinating flowers. B) Drinking water from a creek. C) Photosynthesis. D) Nutrient cycling. Show Answer Correct Answer: A) Bees pollinating flowers. 24. Animals that eat plants as their food A) Carnivore. B) Herbivore. C) Omnivore. D) None of the above. Show Answer Correct Answer: B) Herbivore. 25. List two ways individuals can help protect biodiversity. A) Promote urban sprawl and wasteful consumption. B) Support deforestation and reduce recycling efforts. C) Reduce carbon footprint and support conservation efforts. D) Increase plastic use and ignore wildlife habitats. Show Answer Correct Answer: C) Reduce carbon footprint and support conservation efforts. 26. An animal that only feeds on plants is called A) Carnivore. B) Vegan. C) Herbivore. D) Vegetarian. Show Answer Correct Answer: C) Herbivore. 27. Which of following carbon sinks holds carbon for the shortest amount of time? A) Vegetation. B) Ocean. C) Sedimentary rock. D) None of the above. Show Answer Correct Answer: A) Vegetation. 28. The scientific name of banyan is written as Ficus benghalensis L. Which of the following statements is correct regarding this? A) Letter L. Signifies the taxonomist Linnaeus. B) The name should be written reverse with benghalensis preceding Ficus. C) Benghalensis is a generic name. D) Letter L. Signifies Latin language. Show Answer Correct Answer: A) Letter L. Signifies the taxonomist Linnaeus. 29. Select the incorrect statement from the following A) ICZN stands for international code of zoological nomenclature. B) Each statement in key is known as lead. C) Taxonomic keys are tools that help in identification based on characteristics. D) Ernst Mayr used Systema Naturae as the title of his Publication. Show Answer Correct Answer: D) Ernst Mayr used Systema Naturae as the title of his Publication. 30. A binomial nomenclature consists of ..... and ..... A) Generic name and Phyla. B) Class and Phyla. C) Generic name and specific epithet. D) Phyla and Kingdom. Show Answer Correct Answer: C) Generic name and specific epithet. 31. Which of the following chemicals is used for poisoning the specimens in herbarium technique? A) HCl. B) Hg2 Cl2. C) HgC2. D) AgNO3. Show Answer Correct Answer: C) HgC2. 32. The relationship between a bird building it's nest and the tree A) Parasitism. B) Commensalism. C) Mutualism. D) None of the above. Show Answer Correct Answer: B) Commensalism. 33. The invasive species are always intentionally introduced into the ecosystem. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 34. Organisms in estuaries must be able to survive A) Frequent dry conditions. B) High winds. C) Changing salt levels. D) None of the above. Show Answer Correct Answer: C) Changing salt levels. 35. Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants? A) Nitrogen fixation. B) Assimilation. C) Nitrification. D) Ammonification. E) Denitrification. Show Answer Correct Answer: A) Nitrogen fixation. 36. If a frog is the prey, what could be the predator? A) Snail. B) Grass. C) Insect. D) Snake. Show Answer Correct Answer: D) Snake. 37. A species that could become endangered in the near future is called ..... A) Keystone species. B) Endangered species. C) Threatened species. D) None of the above. Show Answer Correct Answer: C) Threatened species. 38. Which below is TRUE? A) Generalist species occupy very narrow niches. B) R-strategist species are very prone to extinction. C) Specialist species have a limited diet. D) K-strategists species give birth to numerous offspring with little parental care. E) Generalist species can't make use of a variety of environmental resources. Show Answer Correct Answer: C) Specialist species have a limited diet. 39. Which type of plant has a weak stem and needs support to grow upright? A) Tree. B) Shrub. C) Climber. D) Herb. Show Answer Correct Answer: C) Climber. 40. In the taxonomic categories which hierarchial arrangement in ascending order is correct in case of animals? A) Kingdom, Order, Phylum, Class, Family, Genus, Species. B) Kingdom, Class, Phylum, Family, Order, Genus, Species. C) Kingdom, Order, Class, Phylum, Family, Genus, Species. D) Kingdom, Phylum, Class, Order, Family, Genus, Species. Show Answer Correct Answer: D) Kingdom, Phylum, Class, Order, Family, Genus, Species. 41. What is the ability of an ecosystem to resist change from a disturbance? A) Resistance. B) Stability. C) Disturbance. D) Resilience. Show Answer Correct Answer: A) Resistance. 42. Tongue is attached to the oral cavity by A) Labyrinth. B) Frenulum. C) Papillae. D) None of these. Show Answer Correct Answer: B) Frenulum. 43. This biome has rich, fertile soil and much of the crop production in the U.S. is from this biome A) Grasslands. B) Tundra. C) Desert. D) Tropical Rainforest. Show Answer Correct Answer: A) Grasslands. 44. The taxonomic unit phylum in the classification of animals is equivalent to which hierarchical level in classification of plants A) Family. B) Division. C) Order. D) Class. Show Answer Correct Answer: B) Division. 45. All living organisms are linked to one another because A) They have common genetic material of the same type. B) They share common genetic material but to varying degrees. C) All have common cellular organization. D) All of the above. Show Answer Correct Answer: B) They share common genetic material but to varying degrees. 46. The original source of energy for a food web is ..... A) Decomposers. B) Sun. C) Producers. D) Plants. Show Answer Correct Answer: B) Sun. 47. 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. 48. Which statement about Alaska's population is true? A) Most residents live in rural tundra. B) Population exceeds ten million people. C) It has one of the densest populations. D) It is one of the most sparsely populated areas. Show Answer Correct Answer: D) It is one of the most sparsely populated areas. 49. 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. 50. 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. 51. Define the term:Salinity. A) Salinity is the amount of oxygen dissolved in water. B) Salinity is the temperature of water in a given area. C) Salinity is the process of water evaporation from soil. D) Salinity is the concentration of salts in water or soil. Show Answer Correct Answer: D) Salinity is the concentration of salts in water or soil. 52. First step in taxanomy is A) Classification of the organism. B) Nomenclature of the organism. C) Description of the organism. D) Identification of the organism. Show Answer Correct Answer: D) Identification of the organism. 53. Mango and wheat show higher similarity at level of A) Order. B) Phylum. C) Division. D) Kingdom. Show Answer Correct Answer: C) Division. 54. Consumers that eat animals after they have died are called: A) Scavengers. B) Detrivores. C) Carnivores. D) Decomposers. Show Answer Correct Answer: A) Scavengers. 55. An organism that uses an outside source of energy like the sun to create energy-rich food molecules. A) Decomposer. B) Consumer. C) Parasite. D) Producer. Show Answer Correct Answer: D) Producer. 56. 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-area effect. D) Species richness. Show Answer Correct Answer: B) Interspecific competition. 57. The abiotic conditions under which a species can survive and reproduce is called its A) Range of tolerance. B) Fundamental niche. C) Realized niche. D) Environmental distribution. Show Answer Correct Answer: A) Range of tolerance. 58. The sulfur cycle does not involve volcanoes. A) False. B) True. C) Maybe. D) None of the above. Show Answer Correct Answer: A) False. 59. 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. 60. 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. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books