This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 52 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 52 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The conversion of ammonium to nitrate is called what? A) Nitrification. B) Renitrification. C) Denitrification. D) Unnitrification. Show Answer Correct Answer: A) Nitrification. 2. Define the term:Competition. A) Competition is the struggle between organisms for the same resources in an ecosystem. B) Competition is the process by which plants make their own food using sunlight. C) Competition is the movement of water from the roots to the leaves in plants. D) Competition is the process of animals adapting to cold environments. Show Answer Correct Answer: A) Competition is the struggle between organisms for the same resources in an ecosystem. 3. The ascending or descending arrangement of taxonomic categories is called as A) Classification. B) Taxonomy. C) Hierarchy. D) Key. Show Answer Correct Answer: C) Hierarchy. 4. The lowest unit of classification is A) Species. B) Genus. C) Family. D) Kingdom. Show Answer Correct Answer: A) Species. 5. Bacteria decomposing waste is an example of what type of ecosystem service? A) Economic. B) Regulating. C) Provisioning. D) Supporting. Show Answer Correct Answer: B) Regulating. 6. Which organisms have the most available energy in an energy pyramid? A) Producers. B) Consumers. C) Decomposers. D) Detritivores. Show Answer Correct Answer: A) Producers. 7. ..... is the lowest level of organisation. A) Cellular. B) Tissue. C) Organ. D) Organ system. Show Answer Correct Answer: A) Cellular. 8. What is resource partitioning? A) The process of two species mutually benefiting from each other. B) The process of using resources in different ways, places, or at different times to reduce competition. C) The process of one organism eating another organism. D) The process of two species living in close proximity without any interaction. Show Answer Correct Answer: B) The process of using resources in different ways, places, or at different times to reduce competition. 9. What is the main purpose of grouping plants and animals? A) To keep them in zoos. B) To understand and study them based on similarities and differences. C) To provide food for humans. D) To decorate gardens. Show Answer Correct Answer: B) To understand and study them based on similarities and differences. 10. ..... is the lowest level of oraganisation in living kingdoms A) Molecular level. B) Cellular level. C) Tissue level. D) Population. Show Answer Correct Answer: A) Molecular level. 11. Which of the following best describes Alaska's climate? A) Dry desert conditions with little snowfall. B) Warm year-round with high humidity. C) Hot summers and mild winters with frequent rainfall. D) Cold winters and cool summers with long periods of darkness. Show Answer Correct Answer: D) Cold winters and cool summers with long periods of darkness. 12. The transition from one type of habitat or ecosystem to another, such as the transition from a forest to a grassland. A) Niche. B) Ecological footprint. C) Ecotone. D) Ecology. Show Answer Correct Answer: C) Ecotone. 13. Which is a human cause of desertification? A) Over simplification. B) Over cultivation. C) Over multiplication. D) Over desertification. Show Answer Correct Answer: B) Over cultivation. 14. Genetic diversity A) Measurement of different species in a given area to describe an ecosystem (synonym for species diversity). B) The range of genetic material present in a gene pool or population of a species. C) The range of conditions in which a species can survive. D) Variety of habitats, living communities, and ecological processes in the living world. Show Answer Correct Answer: B) The range of genetic material present in a gene pool or population of a species. 15. Which of the following is NOT a conservation strategy? A) Sediment control pond. B) Crop harvesting. C) Critical area planting. D) None of the above. Show Answer Correct Answer: B) Crop harvesting. 16. Cows eat grass to obtain energy. This is an example of ..... A) Competition. B) Predation. C) Mutualism. D) Commensalism. Show Answer Correct Answer: B) Predation. 17. Which organism is eukaryotic, heterotrophic and multicellular? A) Plant. B) Animal. C) Bacteria. D) Archaea. Show Answer Correct Answer: B) Animal. 18. Among the energy values or nutrients, 9.3 calories is that of A) Fats. B) Proteins. C) Vitamins. D) Carbohydrates. Show Answer Correct Answer: A) Fats. 19. Members of a species who live in the same area and can reproduce to make offspring A) Ecosystem. B) Population. C) Community. D) Biodiversity. Show Answer Correct Answer: B) Population. 20. Separation of species or populations so that they cannot interbreed and produce fertile offspring A) Background extinction. B) Primary succession. C) Genetic diversity. D) Reproductive isolation. Show Answer Correct Answer: D) Reproductive isolation. 21. After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area? A) Lichens $\rightarrow$ Shrubs $\rightarrow$ Grasses $\rightarrow$ Trees. B) Lichens $\rightarrow$ tree $\rightarrow$ shrubs$\rightarrow$Grasses. C) Grasses $\rightarrow$ Lichens $\rightarrow$ Shrubs $\rightarrow$ Trees. D) Lichens $\rightarrow$ Grasses $\rightarrow$ Shrubs $\rightarrow$ Trees. Show Answer Correct Answer: D) Lichens $\rightarrow$ Grasses $\rightarrow$ Shrubs $\rightarrow$ Trees. 22. An ecosystem is a location on Earth that includes A) Only biotic components. B) Only abiotic components. C) Interacting biotic and abiotic components. D) Positive and negative feedback loops. Show Answer Correct Answer: C) Interacting biotic and abiotic components. 23. Which is not used to reduce risks of Desertification? A) Magic stones. B) Zai pits. C) Zi pits. D) Planting of trees. E) Soil management. Show Answer Correct Answer: C) Zi pits. 24. Which of the following plants is very sensitive such that a touch will make them close up very quickly? A) Tamarind Plant. B) Albesia. C) Mimosa. D) Sesbenia. Show Answer Correct Answer: C) Mimosa. 25. Who wrote " Species Plantarum" and provided a basis for the classification of plants? A) Carolus Linnaeus. B) Charles Darwin. C) Robert Hooke. D) Leeuwenhoek. Show Answer Correct Answer: A) Carolus Linnaeus. ← 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