This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 1 The Living World – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is subsistence farming? A) Setting up show farms to collect tourist receipts. B) To eat enough food to prevent starvation. C) The growing of large amounts of crops for sale. D) To the growing of crops for farmers' own use, without any significant surplus for sale. Show Answer Correct Answer: D) To the growing of crops for farmers' own use, without any significant surplus for sale. 2. How do economic systems vary across different cultures? A) Economic systems are identical in all cultures. B) Economic systems differ in values, ownership models, and historical influences across cultures. C) Ownership models are universally the same across cultures. D) Cultural values have no impact on economic systems. Show Answer Correct Answer: B) Economic systems differ in values, ownership models, and historical influences across cultures. 3. Select the correctly written scientific name of Mangowhich was first described by Carolus Linnaeus. A) Mangifera indica Linn. B) Mangifera Indica. C) Mangifera indica. D) Mangifera indica Car. Linn. Show Answer Correct Answer: A) Mangifera indica Linn. 4. Fixation most commonly occurs in: A) Within producers. B) Soils & aquatic sediment. C) In the air. D) Along ecotones. Show Answer Correct Answer: B) Soils & aquatic sediment. 5. Ecosystem service:biodiversity play an important role for many kinds of tourism which in turn provides considerable economic benefits and is a vital source of income for many countries. A) Regulating. B) Cultural. C) Supporting. D) Provisioning. Show Answer Correct Answer: B) Cultural. 6. As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics A) May increase or decrease. B) Will increase. C) Will decrease. D) Remain same. Show Answer Correct Answer: C) Will decrease. 7. ..... is water taken from the groundwater flow and soil moisture. Only 1% of water the plant draws up is used by the plant. The remaining 99% is passed back into the atmosphere. A) Infiltration. B) Condensation. C) Plant uptake. D) Surface runoff. Show Answer Correct Answer: C) Plant uptake. 8. Which of the following is a fossil? A) A group of organisms that can reproduce. B) A plant that has recently died. C) A trace of an organisms that existed in the past. D) A structure or organ that no longer functions. Show Answer Correct Answer: C) A trace of an organisms that existed in the past. 9. Study the four statements (A-D) given below and select the two correct ones out of them.A. Definition of biological species was given by Ernst Mayr.B. Photoperiod does not affect reproduction in plants.C. Binomial nomenclature system was given byR.H. Whittaker.D. In unicellular organisms, reproduction is synonymous with growth.The two correct statements are: A) B and C. B) C and D. C) A and D. D) A and B. Show Answer Correct Answer: C) A and D. 10. In the system of classification, which one of the following is not a category? A) Genus. B) Series. C) Kingdom. D) Angiospermae. Show Answer Correct Answer: D) Angiospermae. 11. What characteristic of specialist species makes them more likely to become extinct than generalist species? A) They have a narrow range of tolerance and specific habitat and food needs. B) They can adapt to a wide range of habitats. C) They are highly competitive and invasive. D) They are easily disturbed by invasive species. Show Answer Correct Answer: A) They have a narrow range of tolerance and specific habitat and food needs. 12. Climax community A) Species that serve as early warnings that a community or ecosystem is being degraded. B) A large extinction of many different types of species in a relatively short period of time. C) A species that influences the survival of many other species in an ecosystem. D) A stable, mature community that undergoes little or no change in species over time. Show Answer Correct Answer: D) A stable, mature community that undergoes little or no change in species over time. 13. Nitrogen's largest reservoir A) Oceans. B) Sediments. C) Soil. D) Atmosphere. Show Answer Correct Answer: D) Atmosphere. 14. Which of the following group consists of organisms which multiply by fragmentation? A) Earthworm, Amoeba, fungi. B) Earthworm, fungi, bacteria. C) Fungi, filamentous algae, protonema of mosses. D) Amoeba, Hydra, bacteria. Show Answer Correct Answer: C) Fungi, filamentous algae, protonema of mosses. 15. Why is it important to preserve both species and genetic diversity? A) It is crucial to maintain only genetic diversity for species survival. B) It is important to preserve both species and genetic diversity to ensure ecosystem stability, resilience, and adaptability to environmental changes. C) Preserving species diversity is unnecessary for ecosystem health. D) Genetic diversity alone guarantees a stable environment. Show Answer Correct Answer: B) It is important to preserve both species and genetic diversity to ensure ecosystem stability, resilience, and adaptability to environmental changes. 16. The main criteria Whittaker used for five kingdom classification include all except: A) Phylogenetic relationships. B) Ecosystem role. C) Body organisation. D) Cell structure. Show Answer Correct Answer: B) Ecosystem role. 17. Lion, leopard & tiger belongs to same ..... A) Order. B) Class. C) Family. D) Genus. Show Answer Correct Answer: D) Genus. 18. Carbohydrates the most abundant biomolecules on earth, are produced by A) All bacteria, fungi and algae. B) Fungi, algae and green plant cells. C) Some bacteria, algae and green plant cells. D) Viruses, fungi and bacteria. Show Answer Correct Answer: C) Some bacteria, algae and green plant cells. 19. How much energy is passed onto the next trophic level in an energy pyramid? AND how much is lost as heat? A) 10%, 90%. B) 50%, 50%. C) 90%, 10%. D) 1%, 99%. Show Answer Correct Answer: A) 10%, 90%. 20. Which of these is a species whose decline serves as an early warning that a community or ecosystem is being degraded? A) Keystone species. B) Indicator species. C) Invasive species. D) Endangered species. Show Answer Correct Answer: B) Indicator species. 21. What is the main purpose of the Save Silent Valley movement? A) To build a dam. B) To preserve biodiversity. C) To create a park. D) To plant more trees. Show Answer Correct Answer: B) To preserve biodiversity. 22. What is the word for when we put living things into different groups? A) Classification. B) Separation. C) Dichotomy. D) Organisation. Show Answer Correct Answer: A) Classification. 23. What is the purpose of grouping plants and animals? A) To collect them. B) To eat them. C) To understand their diversity. D) To make them look pretty. Show Answer Correct Answer: C) To understand their diversity. 24. Growth And reproduction in unicellular organisms are A) Mutually exclusive event. B) Mutually inclusive event. C) Growth and reproduction is equivalent. D) Both 2&3 correct. Show Answer Correct Answer: D) Both 2&3 correct. 25. What are the five characteristics of living things? A) Cells, Growth and Development, Reproduction, Response to Stimuli, Energy Requirement. B) Photosynthesis, Adaptation, Communication, Habitat, Lifespan. C) Respiration, Excretion, Adaptation, Interaction, Evolution. D) Movement, Nutrition, Adaptation, Symbiosis, Homeostasis. Show Answer Correct Answer: A) Cells, Growth and Development, Reproduction, Response to Stimuli, Energy Requirement. 26. Phosphorous is passed from plants to ..... who eat them A) Plants. B) Animals. C) Scavengers. D) None of the above. Show Answer Correct Answer: B) Animals. 27. Carlous linneous books are A) Concept of species. B) Non of these. C) Systems nature. D) Development of universe. Show Answer Correct Answer: C) Systems nature. 28. ..... are a designated area (sometimes human created) that connects fragmented wildlife habitats. A) Food chains. B) Ecological pyramids. C) Habitat corridors. D) Biosphere reserves. Show Answer Correct Answer: C) Habitat corridors. 29. Animals are A. Living thingsB.Non Living things A) A. B) B. C) All the above. D) None of the above. Show Answer Correct Answer: A) A. 30. Swamps, marshes, and rivers are all examples of ..... ecosystems. A) Freshwater. B) Oceans. C) Saltwater. D) Tropical Rainforest. Show Answer Correct Answer: A) Freshwater. 31. NANADANKANAN IS A A) ZOOLOGICAL PARK. B) BOTANICAL PARK. C) SANCTUARY. D) WILD LIFE RESERVE. Show Answer Correct Answer: A) ZOOLOGICAL PARK. 32. What is net primary productivity (NPP)? A) The rate at which energy flows from the sun to producers in the lowest trophic levels. B) The rate of energy storage by photosynthesizers in a given area, after subtracting the energy lost to respiration. C) The total rate of photosynthesis in a given area. D) The rate at which solar energy is converted into organic compounds via photosynthesis over a unit of time. Show Answer Correct Answer: B) The rate of energy storage by photosynthesizers in a given area, after subtracting the energy lost to respiration. 33. A species can no longer be found anywhere A) Multiple-use land. B) Keystone species. C) Global extinction. D) Local extinction. Show Answer Correct Answer: C) Global extinction. 34. Linnaeus is credited with: A) Discovery of blood circulation. B) Theory of biogenesis. C) Binomial nomenclature. D) Discovery of microscope. Show Answer Correct Answer: C) Binomial nomenclature. 35. What is the significance of the Human Genome Project? A) It mapped all the genes in the human genome. B) It created a new species of humans. C) It eliminated genetic diseases. D) It discovered the structure of DNA. Show Answer Correct Answer: A) It mapped all the genes in the human genome. 36. The four general climate-defined regions in each hemisphere are: A) Polar, cool temperate, warm temperate, equatorial. B) Polar, temperate, desert, tropical. C) Polar, temperate, tropical, subtropical. D) Cool temperate, warm temperate, tropical, desert. Show Answer Correct Answer: B) Polar, temperate, desert, tropical. 37. Which series ends with the cohort umbellales in Bentham and Hooker's system of classification? A) Calyciflorae. B) Thalamiflorae. C) Disciflorae. D) Heteromerae. Show Answer Correct Answer: A) Calyciflorae. 38. Resource partitioning is an adaptive response to: A) Interspecific competition. B) Intraspecific competition. C) Prolonged periods of low food availability. D) Lack of producer biomass. Show Answer Correct Answer: A) Interspecific competition. 39. Couplet represents the choice made between two opposite options which results in A) Rejection of both the option. B) Acceptance of both the option. C) Either acceptance or rejection of both the option. D) Acceptance of only one and rejection of the other. Show Answer Correct Answer: D) Acceptance of only one and rejection of the other. 40. What is the function of the roots of plants in India? A) Enable the plant to reproduce. B) Carry out photosynthesis. C) Absorb water and nutrients from the soil. D) Provide support for the plant's body. Show Answer Correct Answer: C) Absorb water and nutrients from the soil. 41. The sum total of all the chemical reactions occurring in the body is known as A) Metabolism. B) Catabolism. C) Homeostasis. D) Anabolism. Show Answer Correct Answer: A) Metabolism. 42. Carolus Linnaeus belonged to A) France. B) Germany. C) Sweden. D) Holland. Show Answer Correct Answer: C) Sweden. 43. A plant or animal that, by its presence, abundance, scarcity, or chemical composition, demonstrates that some distinctive aspect of the character or quality of an ecosystem is present. A) R-selected species. B) Keystone Species. C) Generalist species. D) Indicator Species. Show Answer Correct Answer: D) Indicator Species. 44. Identify an a example of an abiotic factor? A) Panda. B) Turtle. C) Butterfly. D) Sunlight. Show Answer Correct Answer: D) Sunlight. 45. Which plant is known to have leaves growing alternatively from different points on the stem? A) Common grass. B) Tulsi. C) Neem. D) Hibiscus. Show Answer Correct Answer: C) Neem. 46. The ..... biome has short summers and long winters; it is covered in evergreen trees. A) Deciduous forest. B) Grasslands. C) Taiga. D) Rainforest. Show Answer Correct Answer: C) Taiga. 47. Hinny is a hybrid produced under natural conditions by crossing A) Male tiger and female lion. B) Female horse and male donkey. C) Male horse and female donkey. D) Female tiger and male lion. Show Answer Correct Answer: C) Male horse and female donkey. 48. What role do decomposers play in the phosphorous cycle? A) Return phosphorous into the soil. B) Combustion. C) Absorb phosphorous. D) Release phosphorous into atmosphere. Show Answer Correct Answer: A) Return phosphorous into the soil. 49. How many people per km2 live in the Thar desert? A) 83. B) 13. C) 1.000, 000. D) 10, 102. Show Answer Correct Answer: A) 83. 50. Which of the following characters are mainly considered for declaring a new plant species? A) Floral characters. B) Anatomical characters. C) Physiological characters. D) All of these. Show Answer Correct Answer: A) Floral characters. 51. When a population changes in response to changes in another species, this is known as ..... A) Coevolution. B) Sympatric Speciation. C) Convergent Evolution. D) Divergent Evolution. Show Answer Correct Answer: A) Coevolution. 52. A relationship in which one organism benefits and the other is unaffected. A) Symbiosis. B) Commensalism. C) Parisitism. D) Mutualism. Show Answer Correct Answer: B) Commensalism. 53. WHICH OF THE FOLLOWING IS NOT A IDENTIFYING PROPERTY FOR LIVING ORGANISMS? A) CELLULARISATION. B) METABOLISM. C) NON OF THESE. D) CONSCIOUSNESS. Show Answer Correct Answer: C) NON OF THESE. 54. Which of the following is NOT a group that vertebrates belong to? A) Birds. B) Amphibians. C) Fish. D) Insects. Show Answer Correct Answer: D) Insects. 55. A material with soft texture is A) Gravel. B) Clay. C) Coal. D) None of the above. Show Answer Correct Answer: B) Clay. 56. Which of these terms means a catastrophic widespread, often global event in which major groups of species become extinct over a short period of time compared with the normal extinction rates? A) Adaptive radiation. B) Gradual evolution. C) Mass extinction. D) Speciation. Show Answer Correct Answer: C) Mass extinction. 57. Birds live and eat in different areas of the same tree and avoid having the same niche. This is known as A) Intraspecific competition. B) Competitive exclusion. C) Interspecific competition. D) Resource partitioning. Show Answer Correct Answer: D) Resource partitioning. 58. How do scientists use taxonomy in classifying organisms? A) Scientists classify organisms using taxonomy by organizing them into hierarchical categories based on shared characteristics. B) Scientists apply taxonomy to determine the nutritional value of food items. C) Scientists use taxonomy to predict weather patterns based on climate data. D) Taxonomy is used by scientists to create new species through genetic engineering. Show Answer Correct Answer: A) Scientists classify organisms using taxonomy by organizing them into hierarchical categories based on shared characteristics. 59. Which of these human actions impacts multiple nutrient cycles? A) Driving gasoline cars. B) Making fertilizers. C) Deforestation. D) Burning sulfur-containing coal. Show Answer Correct Answer: C) Deforestation. 60. Which biome would be best suited for plants and animals that can store water? A) Rainforest. B) Desert. C) Tundra. D) Ocean. Show Answer Correct Answer: B) Desert. ← 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