This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In plants, growth occurs ..... whereas in animals, it occurs ..... A) Only upto a certain age, continuously. B) Continuously, only upto a certain age. C) Continuously, continuously. D) Only upto a certain age, only upto a certain age. Show Answer Correct Answer: B) Continuously, only upto a certain age. 2. In which of the following pair of category, greater is the difficulty of determining the relationship to other taxa at the same level, thus, the problem of classification becomes more complex? A) Genus and species. B) Tribe and genus. C) Division and phylum. D) Species and family. Show Answer Correct Answer: C) Division and phylum. 3. What is subsistence farming? A) The growing of large amounts of crops for sale. B) To eat enough food to prevent starvation. C) To the growing of crops for farmers' own use, without any significant surplus for sale. D) Setting up show farms to collect tourist receipts. Show Answer Correct Answer: C) To the growing of crops for farmers' own use, without any significant surplus for sale. 4. 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. 5. Select the correctly written scientific name of Mangowhich was first described by Carolus Linnaeus. A) Mangifera Indica. B) Mangifera indica Car. Linn. C) Mangifera indica Linn. D) Mangifera indica. Show Answer Correct Answer: C) Mangifera indica Linn. 6. 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. 7. 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) Provisioning. B) Regulating. C) Supporting. D) Cultural. Show Answer Correct Answer: D) Cultural. 8. As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics A) Will decrease. B) Will increase. C) Remain same. D) May increase or decrease. Show Answer Correct Answer: A) Will decrease. 9. ..... 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) Condensation. B) Infiltration. C) Surface runoff. D) Plant uptake. Show Answer Correct Answer: D) Plant uptake. 10. Which of the following is a fossil? A) A plant that has recently died. B) A group of organisms that can reproduce. C) A structure or organ that no longer functions. D) A trace of an organisms that existed in the past. Show Answer Correct Answer: D) A trace of an organisms that existed in the past. 11. 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. 12. In the system of classification, which one of the following is not a category? A) Kingdom. B) Series. C) Angiospermae. D) Genus. Show Answer Correct Answer: C) Angiospermae. 13. 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. 14. Climax community A) A species that influences the survival of many other species in an ecosystem. B) Species that serve as early warnings that a community or ecosystem is being degraded. C) A large extinction of many different types of species in a relatively short period of time. 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. 15. Nitrogen's largest reservoir A) Sediments. B) Soil. C) Atmosphere. D) Oceans. Show Answer Correct Answer: C) Atmosphere. 16. 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. 17. 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. 18. The main criteria Whittaker used for five kingdom classification include all except: A) Cell structure. B) Body organisation. C) Ecosystem role. D) Phylogenetic relationships. Show Answer Correct Answer: C) Ecosystem role. 19. Lion, leopard & tiger belongs to same ..... A) Family. B) Genus. C) Order. D) Class. Show Answer Correct Answer: B) Genus. 20. 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. 21. 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) 1%, 99%. C) 50%, 50%. D) 90%, 10%. Show Answer Correct Answer: A) 10%, 90%. 22. Which of these is a species whose decline serves as an early warning that a community or ecosystem is being degraded? A) Indicator species. B) Keystone species. C) Endangered species. D) Invasive species. Show Answer Correct Answer: A) Indicator species. 23. What is the main purpose of the Save Silent Valley movement? A) To plant more trees. B) To preserve biodiversity. C) To build a dam. D) To create a park. Show Answer Correct Answer: B) To preserve biodiversity. 24. What is the word for when we put living things into different groups? A) Separation. B) Dichotomy. C) Classification. D) Organisation. Show Answer Correct Answer: C) Classification. 25. 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. ← 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