This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 1 The Living World – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 20 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What winter temperatures can occur in northern Alaska, and what is an effect? A) Below-30$^\circ$C; sea and roads freeze. B) Around 0$^\circ$C; roads stay wet only. C) Above 10$^\circ$C; construction accelerates. D) Below-10$^\circ$C; daylight greatly increases. Show Answer Correct Answer: A) Below-30$^\circ$C; sea and roads freeze. 2. The example of the peppered (brown) moths living near English industrial cities demonstrates that A) A change in an environment can result in the evolution of species living there. B) Evolution occurs so slowly that is it not possible to determine that it has happened in less than a million years. C) The environment near these cities has always favored dark colored moths. D) None of the above. Show Answer Correct Answer: A) A change in an environment can result in the evolution of species living there. 3. Energy of motion A) Kinetic energy. B) Quantitative Data. C) Biotic factors. D) Abiotic factors. Show Answer Correct Answer: A) Kinetic energy. 4. The major sink for phosphorus is A) Atmospheric gases. B) Sedimentary rock. C) Seawater. D) Plants. Show Answer Correct Answer: B) Sedimentary rock. 5. Only about ten percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism's life processes, and the rest is typically A) Used in reproduction. B) Stored as body fat. C) Stored as body tissues. D) Converted to heat and lost. Show Answer Correct Answer: D) Converted to heat and lost. 6. A relationship between two organisms in which one organism benefits and the other is unharmed ..... A) Commensalism. B) Competition. C) Mutualism. D) Parasitsm. Show Answer Correct Answer: A) Commensalism. 7. Which of the following shows reversible growth? A) Bacteria. B) Euglena. C) Spirogyra. D) Snow mountain. Show Answer Correct Answer: D) Snow mountain. 8. This is the largest desert in the world. A) Namib. B) Gobi. C) Atacama. D) Sahara. Show Answer Correct Answer: D) Sahara. 9. This process is responsible for most environmental problems of excess nitrogen and phosphorus entering streams, lakes and oceans. A) Photosynthesis. B) Agriculture and house hold runoff. C) Decomposition. D) Emissions from automobiles. Show Answer Correct Answer: B) Agriculture and house hold runoff. 10. As simple diagram showing the transfer of energy from a producer to a primary consumer and on to a secondary consumer. A) Food chain. B) Foodweb. C) Consumer. D) Omnivore. Show Answer Correct Answer: A) Food chain. 11. Genus is a group of similar and related A) Classes. B) Species. C) Phyla. D) Orders. Show Answer Correct Answer: B) Species. 12. Which of the following is an autotrophic organism? A) Lion. B) Tiger. C) Cow. D) Mango Tree. Show Answer Correct Answer: D) Mango Tree. 13. Where is carbon stored in the environment? A) Fossil fuels. B) Wood of trees. C) Calcium carbonate (shells and bones). D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Which two of the below given points are known as the twincharacteristics of growth?(1) Increase in mass(ii) Increase in number of individuals(iii) Cellular organization(iv) Cellular differentiation A) (i) and (ii). B) (ii) and (iii). C) (i) and (iii). D) (iii) and (iv). Show Answer Correct Answer: A) (i) and (ii). 15. The name of a plant order ends with A) -ales. B) -ae. C) -idae. D) -aceae. Show Answer Correct Answer: A) -ales. 16. Odd one w.r.t. extrinsic growth is? A) Mountain growth. B) Sand mounds growth. C) Secondary growth. D) Growth of snow mountains. Show Answer Correct Answer: C) Secondary growth. 17. Land developers plant grasses on steep slopes to stop erosion of topsoil. This is an example of what? A) Biodiversity. B) Conservation strategies. C) Habitat preservation. D) None of the above. Show Answer Correct Answer: B) Conservation strategies. 18. The system of binomial nomenclature was developed by ..... A) Mayr. B) Mr. King. C) Darwin. D) Linneaus. Show Answer Correct Answer: D) Linneaus. 19. Two or more species occupying the same or nearly overlapping areas are called A) Sympatric species. B) Allopatric species. C) Sibling species. D) Sub species. Show Answer Correct Answer: A) Sympatric species. 20. Amoeba moves with the help of: A) Pseudopodia. B) Cyanobacteria. C) Cocci. D) Vibrio Cholerae. Show Answer Correct Answer: A) Pseudopodia. 21. The differentiation of niches that enables similar species to coexist in a community A) Character displacement. B) Resource partitioning. C) Pioneer species. D) Climax community. Show Answer Correct Answer: B) Resource partitioning. 22. Identification of plants and animals based on the A) Similarities. B) Dissimilarities. C) (1) and (2) both. D) None of these. Show Answer Correct Answer: C) (1) and (2) both. 23. The animal having the special organs of breathing called gills is: A) Earthworm. B) Fish. C) Frog. D) Fox. Show Answer Correct Answer: B) Fish. 24. The common characteristics between tomato andpotato will be maximum at the level of their A) Order. B) Division. C) Genus. D) Family. Show Answer Correct Answer: C) Genus. 25. Contagium vivium fluidum was proposed by A) Stanley. B) D J Ivanowsky. C) M W Beijerinick. D) Robert Hooke. Show Answer Correct Answer: C) M W Beijerinick. 26. What are the etintial components that a plant needs to grow?? A) Water. B) Sunlight. C) All gasess. D) All of these. Show Answer Correct Answer: D) All of these. 27. A wildlife preserve reports that its population of red foxes has increased while the coyote population has decreased. Which relationship between foxes and coyotes would help explain this observation? A) Coyotes and red foxes live near one another, but do not compete for resources. B) Coyotes and red foxes fill exactly the same niche in the forest. C) Coyotes are predators of red foxes. D) Red foxes parasitize coyotes. Show Answer Correct Answer: B) Coyotes and red foxes fill exactly the same niche in the forest. 28. 'X' and 'Y' are the components of Binomial nomenclature. This naming system wasproposed by 'Z': A) X-Specific epithet, Y-Generic name, Z-R.H. Whittaker. B) X-Generic name, Y-Specific epithet, Z-Carolus Linnaeus. C) X-Generic name, Y-Specific epithet, Z-R.H. Whittaker. D) X-Specific epithet, Y-Generic name, Z-Carolus Linnaeus. Show Answer Correct Answer: B) X-Generic name, Y-Specific epithet, Z-Carolus Linnaeus. 29. In the binomial system of taxonomy developed during the 18$^{th}$ century by C. Linnaeus, the second word of an organism's biological name represents. A) Race. B) Species. C) Genus. D) Family. Show Answer Correct Answer: B) Species. 30. The climate of a Tropical Rainforest can be described as ..... ? A) Humid, Dry & Hot. B) Humid, Wet & Hot. C) Cold, Wet, Unstable. D) Cold, Wet & Humid. Show Answer Correct Answer: B) Humid, Wet & Hot. 31. Number of strands present in one chromosome in G2 stage if diploid and haploid cells in cell cycle- A) 2 in diploid and 2 haploid. B) 2 in diploid and 1 in haploid. C) Only 1 in both. D) 4 in diploid and 2 in haploid. Show Answer Correct Answer: A) 2 in diploid and 2 haploid. 32. Define the term:Parasitism. A) Parasitism is a symbiotic relationship where one organism benefits at the expense of another. B) Parasitism is a relationship where both organisms benefit equally. C) Parasitism is a relationship where neither organism is affected. D) Parasitism is a symbiotic relationship where both organisms are harmed. Show Answer Correct Answer: A) Parasitism is a symbiotic relationship where one organism benefits at the expense of another. 33. Select the correctly written botanical/Zoological name. A) Pisum sativum. B) Panthera tigris. C) Mangifera indica. D) Homo sapiens. Show Answer Correct Answer: B) Panthera tigris. 34. What does it mean when animals are described as nocturnal? A) They don't need a lot of water. B) They sleep during the day and come out at night. C) They have an internal cooling system that helps them survive in the desert. D) They hibernate during the winter. Show Answer Correct Answer: B) They sleep during the day and come out at night. 35. Gradual transition over time from one type of biological community to another. A) Law of tolerance. B) Ecological succession. C) Energy pyramid. D) Symbiosis. Show Answer Correct Answer: B) Ecological succession. 36. Which is a reactant of photosynthesis? A) Carbon Dioxide. B) Nitrogen. C) Oxygen. D) Glucose. Show Answer Correct Answer: A) Carbon Dioxide. 37. What is the life span of ostrich A) 20 years. B) 50 years. C) 30 years. D) 55 years. Show Answer Correct Answer: B) 50 years. 38. Which is NOT one of the key organic and inorganic components transferred in a food web? A) Carbon. B) Nitrogen. C) Oxygen. D) Nitrogen. E) Phosphorus. Show Answer Correct Answer: C) Oxygen. 39. Which biome would be best suited for an animal with thick fur and extra layers of fat? A) Rainforest. B) Tundra. C) Taiga. D) Desert. Show Answer Correct Answer: B) Tundra. 40. Describe the amount of diverse types of species in one area ..... A) Genetic diversity. B) Species diversity. C) Habitat diversity. D) None of the above. Show Answer Correct Answer: B) Species diversity. 41. Which of the following plants is classified as a herb? A) Tomato. B) Neem. C) Mango. D) Rose. Show Answer Correct Answer: A) Tomato. 42. ..... is a harmful animal A) Cockroaches. B) Buffalo. C) Cow. D) Horse. Show Answer Correct Answer: A) Cockroaches. 43. How would you describe a Hot Desert Environment? A) Low rainfall/ low temps. B) High rainfall/ low temps. C) Low rainfall/High temps. D) High rainfall/high temps. Show Answer Correct Answer: C) Low rainfall/High temps. 44. What are the four most important materials needed by living organisms? A) Water, food, oxygen, carbon. B) Water, carbon, oxygen, nitrogen. C) Water, carbon, nitrogen, phosphorous. D) Water, carbon, food, phosphorous. Show Answer Correct Answer: C) Water, carbon, nitrogen, phosphorous. 45. Five kingdom classification was proposed by A) Cavalier-Smith. B) R.H.Whittaker. C) Ernst Haeckal. D) Carl Woese. Show Answer Correct Answer: B) R.H.Whittaker. 46. All the living organisms that inhabit an environment A) Assimilation. B) Ammoniafication. C) Nitrogen fixation. D) Biotic factors. Show Answer Correct Answer: D) Biotic factors. 47. What are Homo sapiens? A) A certain breed of the serpent species. B) A bacteria that affects the blood stream. C) The scientific name for a human. D) None of the above. Show Answer Correct Answer: C) The scientific name for a human. 48. Which of the following might be a pioneer species after a fire has destroyed a forest? A) Secondary consumers. B) Native grasses. C) Larger trees. D) Primary consumers. Show Answer Correct Answer: B) Native grasses. 49. A role played by an organism in an ecosystem is known at its A) Niche. B) Job. C) Role. D) Duty. Show Answer Correct Answer: A) Niche. 50. Fill in the blank: ..... is the change in population or community structures that occur at the boundary of two habitats or ecotone. A) Edge effect. B) Primary succession. C) Habitat fragmentation. D) Biomagnification. Show Answer Correct Answer: A) Edge effect. 51. Which of the following is an abiotic component? A) An eagle. B) A virus. C) A human. D) A rock. E) A tree. Show Answer Correct Answer: D) A rock. 52. Which of the following is true about island biodiversity? A) Small islands are more likely to have more immigrated species. B) Small islands have higher biodiversity than large islands. C) Small islands have more resources and as a result may have more species. D) Small islands have fewer resources and as a result may have fewer species. Show Answer Correct Answer: D) Small islands have fewer resources and as a result may have fewer species. 53. Fill in the blank: ..... is the biological process of species establishing themselves in new habitats. A) Fermentation. B) Colonization. C) Photosynthesis. D) Evaporation. Show Answer Correct Answer: B) Colonization. 54. Which book of Linnaeus deals with study of animals A) Historia Pantarum. B) Histoire Naturae. C) Species Plantarum. D) Systema Naturae. Show Answer Correct Answer: D) Systema Naturae. 55. The greatest amount of freshwater is found in which of the following? A) The atmosphere. B) Estuaries. C) Lakes. D) Rivers and streams. E) Polar ice caps and glaciers. Show Answer Correct Answer: E) Polar ice caps and glaciers. 56. In five kingdom system, the main basis of classification is A) Structure of cell wall. B) Nutrition. C) Structure of nucleus. D) Asexual reproduction. Show Answer Correct Answer: B) Nutrition. 57. Which of the following groups consist of organisms which multiply by fragmentation? A) Earthworm, Amoeba, fungi. B) Amoeba, Hydra, bacteria. C) Earthworm, fungi, bacteria. D) Fungi, filamentous algae, protonema of mosses. Show Answer Correct Answer: D) Fungi, filamentous algae, protonema of mosses. 58. Match the word to the defintion:variety of species, measured by the number of different species contained in a community. A) Ecosystem stability. B) Species evenness. C) Genetic diversity. D) Species richness. Show Answer Correct Answer: D) Species richness. 59. Which biome is more biodiverse? A) Desert. B) Sand. C) Tundra. D) Rainforest. Show Answer Correct Answer: D) Rainforest. 60. This biome is very hot all year long, found close to the equator, and has high amounts of rain fall. A) Desert. B) Rain forest. C) Deciduous forest. D) Taiga. Show Answer Correct Answer: B) Rain forest. ← 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