This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When total photosynthesis exceeds total respiration: A) Carbon will increase in the atmosphere. B) Carbon will increase in the biosphere. C) Average global temperatures will increase. D) The carbon in the atmosphere and biosphere will not change. Show Answer Correct Answer: B) Carbon will increase in the biosphere. 2. Which level of biological organization is the smallest? A) Cell. B) Tissue. C) Organism. D) Organ. Show Answer Correct Answer: A) Cell. 3. Identity the correct sequence A) A species-order-phylum-Kingdom. B) B) genus-species-order-Kingdom. C) C)species-genus-order-phylumn. D) D) class-order-phylum-Kingdom. Show Answer Correct Answer: C) C)species-genus-order-phylumn. 4. Which of the following describes the direction of the flow of energy in a food chain? A) From parasite to host. B) From predator to prey. C) From prey to predator. D) From one mutual to another. Show Answer Correct Answer: C) From prey to predator. 5. A material with a higher hardness is A) Clay. B) Diamond. C) Rubber. D) None of the above. Show Answer Correct Answer: B) Diamond. 6. Label of herbarium sheet does not carry information on A) Date of collection. B) Name of collector. C) Height of plant. D) Local names. Show Answer Correct Answer: C) Height of plant. 7. Secondary succession A) An ecological succession that begins in an area where no biotic community previously existed. B) The energy captured by producers in an ecosystem minus the energy producers respire. C) Type of succession that occurs in an area that was only partially destroyed by disturbances. D) Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans. Show Answer Correct Answer: C) Type of succession that occurs in an area that was only partially destroyed by disturbances. 8. The living organisms can be un-exceptionally distinguished from the non-living things on the basis of their ability for A) Responsiveness to touch. B) Interaction with the environment and progressive evolution. C) Reproduction. D) Growth and movement. Show Answer Correct Answer: B) Interaction with the environment and progressive evolution. 9. Growth in living organisms occurs by A) Division of cells. B) Increase in mass of the living structure. C) Accumulation of material by external agency. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 10. Self-consciousness can be observed in A) Plants. B) Humans. C) Non-living things. D) None of the above. Show Answer Correct Answer: B) Humans. 11. Which of the following statements about the open ocean biome is not correct: A) The thermocline acts as a barrier to the mixing of deeper and surface waters. B) Polar oceans have a poorly developed thermocline. C) In polar regions, surface waters often have lower salinity than deeper waters. D) In tropical regions, surface waters often have lower salinity than deeper waters. Show Answer Correct Answer: D) In tropical regions, surface waters often have lower salinity than deeper waters. 12. Plants and animals that live in water are: A) Aquatic. B) Terrestrial. C) Aerial. D) None of the above. Show Answer Correct Answer: A) Aquatic. 13. Cause of mimicry is A) Isolation. B) Attack. C) Protection. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 14. Range of tolerance A) The relative proportion of different species in a given area. B) The limits to the abiotic conditions that a species can tolerate. C) The removal of trees faster than forests can replace themselves. D) The number of different species in a community (synonym for species diversity). Show Answer Correct Answer: B) The limits to the abiotic conditions that a species can tolerate. 15. Which type of plant has a tender, green stem? A) Tree. B) Shrub. C) Herb. D) Vine. Show Answer Correct Answer: C) Herb. 16. Aquatic biomes cover roughly how much of the Earth's surface A) 10%. B) 25%. C) 50%. D) 75%. Show Answer Correct Answer: D) 75%. 17. Which is the highest taxonomic category? A) Class. B) Phylum. C) Kingdom. D) Species. Show Answer Correct Answer: C) Kingdom. 18. Fill in the blank: ..... is the variety of forests, deserts, grasslands, oceans, streams, lakes, and other biological communities interacting with one another and with their nonliving environment. A) Ecological diversity. B) Genetic engineering. C) Photosynthesis. D) Trophic level. Show Answer Correct Answer: A) Ecological diversity. 19. Why did the population of peppered moths in England change from light to dark after the Industrial Revolution? A) Light moths were easy to see against sooty trees and were eaten. B) Light moths were killed by soot. C) The birds that ate the dark moths were killed by soot. D) Dark moths were produced by industrial processes. Show Answer Correct Answer: A) Light moths were easy to see against sooty trees and were eaten. 20. Which one of the following animals is correctly matched with its particular taxonomic category? A) Tiger-Tigris, species. B) Cuttlefish-Mollusca, class. C) Humans-Primata, class. D) Housfly-Muska, order. Show Answer Correct Answer: A) Tiger-Tigris, species. 21. All living organism can be classified into different A) Living. B) Animal. C) Plants. D) Taxa. Show Answer Correct Answer: D) Taxa. 22. Who is known as the 'Birdman of India': A) Salim Ali. B) Jawaharlal Nehru. C) Mahatma Gandhi. D) None of the above. Show Answer Correct Answer: A) Salim Ali. 23. What is the weather in a particular location over a long period of time called? A) Weather. B) Climate. C) Climatogram. D) Precipitation. Show Answer Correct Answer: B) Climate. 24. Which of the following is a living thing? A) Water. B) Human. C) Soil. D) Air. Show Answer Correct Answer: B) Human. 25. Which country contains the Thar desert? A) Pakistan. B) India. C) Nepal. D) Iran. Show Answer Correct Answer: B) India. ← 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