This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 62 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 62 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements about light in aquatic ecosystems is not correct? A) Light intensity falls off exponentially with depth and red light is absorbed first. B) The 1% light level marks the point below which there is not enough light for photosynthesis. C) Light intensity falls off exponentially with depth and red light passes furthest through the water column. D) The depth of the 1% light level is important in determining the color of the water. Show Answer Correct Answer: C) Light intensity falls off exponentially with depth and red light passes furthest through the water column. 2. Fill in the blank: ..... is research and scientific study devoted to restoring, repairing, and reconstructing damaged ecosystems. A) Ecological restoration. B) Genetic engineering. C) Urban planning. D) Climate modeling. Show Answer Correct Answer: A) Ecological restoration. 3. Hyenas and vultures both scavenge prey from apex predators. This is an example of ..... A) Competition. B) Predation. C) Mutualism. D) Commensalism. Show Answer Correct Answer: A) Competition. 4. ..... is when animals move from one place to another due to seasonal change, following a food or water source, or to find a mate and give birth. A) Body covering. B) Omnivore. C) Migration. D) Herbivore. Show Answer Correct Answer: C) Migration. 5. Species are considered as A) Real basic units of classification. B) The lowest units of classification. C) Artificial concept of human mind which cannot be defined in absolute terms. D) Real units of classification devised by taxonomists. Show Answer Correct Answer: A) Real basic units of classification. 6. An owl eats a rat that lived in an ecosystem where there was 2, 800 kcals of energy in the insect population that the rat consumed. How many kcals would transfer to the trophic level the owl is in? A) 28. B) 280. C) 2, 800. D) 28, 000. Show Answer Correct Answer: A) 28. 7. Which below is NOT FALSE? A) Reproductive isolation leads to geographic isolation. B) A population in the same location can be geographically isolated. C) Geographic isolation leads to reproductive isolation. D) Reproductive isolation leads to separate species becoming common species. E) Geographic isolation occurs when two different species are brought together. Show Answer Correct Answer: C) Geographic isolation leads to reproductive isolation. 8. What best explains why fishing is a major industry in Alaska? A) Many rivers, lakes, and long coastline. B) Warm seas with coral reefs. C) Limited inland waters but rich farms. D) Artificial ponds stocked by cities. Show Answer Correct Answer: A) Many rivers, lakes, and long coastline. 9. The process of classification of living organisms is called A) Nomenclature. B) Classification. C) Taxonomy. D) Systematics. Show Answer Correct Answer: C) Taxonomy. 10. Which of the following organisms cannot reproduce? A) Sterile worker bees. B) Infertile human couples. C) Mules. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. Which of the following sets does not contain defining characteristics of living organism? A) Growth and reproduction. B) Metabolism and cellular level of organization. C) Response to stimuli and consciousness. D) All of these. Show Answer Correct Answer: A) Growth and reproduction. 12. Which one of the following is not a correctstatement? A) A museum has collection of photographs ofplants and animals. B) Key is a taxonomic aid for identification ofspecimens. C) Herbarium houses dried, pressed and preservedplant specimens. D) Botanical gardens have collection of livingplants for reference. Show Answer Correct Answer: A) A museum has collection of photographs ofplants and animals. 13. This is an ecosystem that is able to withstand any pressures and support all of the organisms within it A) Ecosystem. B) Sustainable ecosystem. C) Aquatic ecosystem. D) Terrestrial ecosystem. Show Answer Correct Answer: B) Sustainable ecosystem. 14. The type of bond involved in the formation of sodium chloride is A) Ester bond. B) Peptide bond. C) Ionic bond. D) Covalent bond. E) Hydrogen bond. Show Answer Correct Answer: C) Ionic bond. 15. Say True or False. In plants and animals, growth and reproduction are considered "mutually exclusive" processes A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. What is polyploidy? A) When organisms have and extra chromosome in their cells. B) When organisms have more than two sets of chromosomes in their cells. C) When organisms are missing chromosomes in their cells. D) A mutation that is always deadly to a cell. Show Answer Correct Answer: B) When organisms have more than two sets of chromosomes in their cells. 17. Water, temperature, oxygen and rocks are all examples of these types of things in ecosystems A) Biotic. B) Abiotic. C) Predator. D) Community. Show Answer Correct Answer: B) Abiotic. 18. Which of the following taxonomic categories have similar karyotype and genetic material? A) Order. B) Family. C) Class. D) Genus. E) Species. Show Answer Correct Answer: E) Species. 19. Chemical used for poisoning the specimen in herbarium sheet A) Hg2Cl2. B) HgCl2. C) AgNO3. D) HCl. Show Answer Correct Answer: B) HgCl2. 20. What is the main function of photosynthesis for a plant? A) To make glucose. B) To make carbon dioxide. C) To make oxygen. D) To make proteins. Show Answer Correct Answer: A) To make glucose. 21. Edaphology is A) Study of elephants. B) Study of snakes. C) Study of amphibians. D) None of these. Show Answer Correct Answer: D) None of these. 22. Which is the best example of a population bottleneck? A) A tsunami wipes out the entire population of plants. B) A new food source is available to a population of cats. C) A wild fire kills off a significant portion of a deer population. D) A volcano causes the extinction of a small mammal species. E) Climate change causes the local population of birds to migrate elsewhere. Show Answer Correct Answer: C) A wild fire kills off a significant portion of a deer population. 23. How do humans add the most CO2 to the atmosphere? A) Burning fossil fuels like coal and gasoline. B) Using renewable energy sources like nuclear power. C) Breathing. D) Bodily functions like farting. Show Answer Correct Answer: A) Burning fossil fuels like coal and gasoline. 24. Two animals belong to the same kingdom but different classes. They may belong to the same A) Phylum. B) Order. C) Division. D) Species. Show Answer Correct Answer: A) Phylum. 25. Because energy flows from organism to organism and is used for metabolism or is converted to heat the next organism in the chain only receives 10% of the energy from the previous level. This is known as the A) Heat Regulation. B) Energy Loss Directive. C) Heat Transfer Rule. D) Rule of 10. Show Answer Correct Answer: D) Rule of 10. ← 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