This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 47 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What service do decomposers perform? A) Store carbon dioxide. B) Recycle nutrients and matter. C) Produce phosphorus for plants. D) Filter water. Show Answer Correct Answer: B) Recycle nutrients and matter. 2. What is the main way carbon dioxide is pulled out of the air? A) Photosynthesis. B) Man made devices that turn CO2 into coal. C) Cellular Respiration. D) Nuclear Power plants. Show Answer Correct Answer: A) Photosynthesis. 3. Which of the following taxonomic categories includes one or more related orders? A) Species. B) Genus. C) Family. D) Class. Show Answer Correct Answer: D) Class. 4. ORDER OF MANGO A) PRIMATA. B) CARNIVORA. C) DIPTERA. D) SAPINDALES. Show Answer Correct Answer: D) SAPINDALES. 5. The first hardy, species-often microbes, mosses, and lichen-that begin colonizing a site as the first stage of ecological succession is characterized as which of the following? A) Pioneer species. B) Climax community. C) Secondary consumers. D) Decomposer organisms. Show Answer Correct Answer: A) Pioneer species. 6. Which is a useful living thing A) Rat. B) Spider. C) Lizard. D) Dog. Show Answer Correct Answer: D) Dog. 7. What do you call ALL the living things in the same environment? A) Population. B) Community. C) Ecosystem. D) Biome. Show Answer Correct Answer: B) Community. 8. Exemplified by bees consuming nectar and carrying pollen from one flower to another A) Commensalism. B) Parasitism. C) Mutualism. D) Predation. E) Competition. Show Answer Correct Answer: C) Mutualism. 9. Term given to describe the 2 name naming system is: A) Dichotmous key. B) Binomial nomenclature. C) 2 scientific names. D) Binomial key. Show Answer Correct Answer: B) Binomial nomenclature. 10. The breaking of habitats into smaller pieces is called ..... A) Habitat division. B) Habitat pollution. C) Habitat corruption. D) Habitat fragmentation. Show Answer Correct Answer: D) Habitat fragmentation. 11. A collection of species which bear a close resemblance to one another in the morphological characters of the floral parts is known as A) Family. B) Variety. C) Genus. D) Division. Show Answer Correct Answer: C) Genus. 12. How do living things remove their waste A) Respiration. B) Excreation. C) Excretion. D) Breathing. Show Answer Correct Answer: C) Excretion. 13. This is known as the set of resources a population is theoretically capable of using in the wild. A) Niche. B) Realized niche. C) Fundamental niche. D) Competition. Show Answer Correct Answer: C) Fundamental niche. 14. Fill in the blank: ..... are species that are found only in one area. Such species are especially vulnerable to extinction. A) Endemic species. B) Invasive species. C) Migratory species. D) Exotic species. Show Answer Correct Answer: A) Endemic species. 15. When a population has reached carrying capacity A) Births & Immigration are equal to Death & emigration. B) Births & Immigration are less than Death & emigration. C) Births & Immigration are greater than Death & emigration. D) Births are exponential. Show Answer Correct Answer: A) Births & Immigration are equal to Death & emigration. 16. A system made up of organisms interacting with one another A) Biology. B) Abiotic. C) Ecosystem. D) Biotic. Show Answer Correct Answer: C) Ecosystem. 17. Which of the cycles is considered to be the SLOWEST? A) Carbon. B) Water. C) Nitrogen. D) Phosphorus. Show Answer Correct Answer: D) Phosphorus. 18. What type of plants are tall with hard stems? A) Shrubs. B) Trees. C) Herbs. D) Grasses. Show Answer Correct Answer: B) Trees. 19. Which of the following is the best definition for estuary? A) Narrow band of coastline that exists between high and low tide. B) Areas along the coast where fresh water from rivers mixes with salt water from the ocean. C) Flowing fresh water containing rapids. D) Freshwater aquatic areas that are saturated by water for at least part of the year. Show Answer Correct Answer: B) Areas along the coast where fresh water from rivers mixes with salt water from the ocean. 20. Living organisms show A) Self replication and self regulation. B) Evolution. C) Response to external stimuli. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. What is missing from this food chain?Grass > Grasshopper > Bird > Snake A) Producer. B) Primary Consumer. C) Secondary Consumer. D) Decomposer. Show Answer Correct Answer: D) Decomposer. 22. What two human activities contribute the most to global warming? A) Burning fossil fuels and deforestation. B) Mining and vehicle exhaust. C) Burning fossil fuels and agriculture. D) Deforestation and agriculture. Show Answer Correct Answer: A) Burning fossil fuels and deforestation. 23. The main cause of biodiversity loss worldwide is A) Extinctions. B) Invasive species. C) Pollution. D) Habitat destruction. Show Answer Correct Answer: D) Habitat destruction. 24. A group of plants or animals with similar traits of any rank is: A) Species. B) Genus. C) Order. D) Taxon. Show Answer Correct Answer: D) Taxon. 25. The water in a closed terrarium is constantly recycled, passing from liquid form to gas and back again. As the moisture in the air condenses on the container's walls, it returns to the soil and is absorbed by the plants' roots. The water cycle is one example of a ..... cycle in which abiotic and biotic factors work together to sustain ecosystems. A) Water. B) Biochemical. C) Geobiochemical. D) Biogeochemical. Show Answer Correct Answer: D) Biogeochemical. ← 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