This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 49 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 49 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Phytoplankton are A) Tiny autotrophic organisms in water. B) Large plants. C) Tiny heterotrophic organisms in water. D) Large animals. Show Answer Correct Answer: A) Tiny autotrophic organisms in water. 2. Reproduction absent in? A) Worker bee. B) Mules. C) Infertile human couples. D) All of these. Show Answer Correct Answer: D) All of these. 3. Why do trees growing in hills have conical shape? A) To look beautiful. B) To slide down water and snow. C) To make the birds comfortable. D) None of the above. Show Answer Correct Answer: B) To slide down water and snow. 4. Study the four statements (I-IV) given below and select one correct one out of them: A) Definition of biological species was given by Darwin. B) Photoperiod does not effect reproduction in plants. C) Binomial nomenclature system was gives by Linnaeus. D) In unicellular organisms, reproduction is not synonymous with growth. Show Answer Correct Answer: C) Binomial nomenclature system was gives by Linnaeus. 5. What winter temperatures can occur in northern Alaska, and what is an effect? A) Below-30$^\circ$C; sea and roads freeze. B) Around 0$^\circ$C; roads stay wet only. C) Above 10$^\circ$C; construction accelerates. D) Below-10$^\circ$C; daylight greatly increases. Show Answer Correct Answer: A) Below-30$^\circ$C; sea and roads freeze. 6. The example of the peppered (brown) moths living near English industrial cities demonstrates that A) A change in an environment can result in the evolution of species living there. B) Evolution occurs so slowly that is it not possible to determine that it has happened in less than a million years. C) The environment near these cities has always favored dark colored moths. D) None of the above. Show Answer Correct Answer: A) A change in an environment can result in the evolution of species living there. 7. Energy of motion A) Quantitative Data. B) Abiotic factors. C) Biotic factors. D) Kinetic energy. Show Answer Correct Answer: D) Kinetic energy. 8. The major sink for phosphorus is A) Sedimentary rock. B) Atmospheric gases. C) Seawater. D) Plants. Show Answer Correct Answer: A) Sedimentary rock. 9. Only about ten percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism's life processes, and the rest is typically A) Used in reproduction. B) Stored as body fat. C) Stored as body tissues. D) Converted to heat and lost. Show Answer Correct Answer: D) Converted to heat and lost. 10. A relationship between two organisms in which one organism benefits and the other is unharmed ..... A) Mutualism. B) Competition. C) Parasitsm. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 11. Which of the following shows reversible growth? A) Snow mountain. B) Bacteria. C) Euglena. D) Spirogyra. Show Answer Correct Answer: A) Snow mountain. 12. This is the largest desert in the world. A) Sahara. B) Gobi. C) Atacama. D) Namib. Show Answer Correct Answer: A) Sahara. 13. This process is responsible for most environmental problems of excess nitrogen and phosphorus entering streams, lakes and oceans. A) Photosynthesis. B) Agriculture and house hold runoff. C) Decomposition. D) Emissions from automobiles. Show Answer Correct Answer: B) Agriculture and house hold runoff. 14. As simple diagram showing the transfer of energy from a producer to a primary consumer and on to a secondary consumer. A) Foodweb. B) Consumer. C) Food chain. D) Omnivore. Show Answer Correct Answer: C) Food chain. 15. Genus is a group of similar and related A) Classes. B) Phyla. C) Species. D) Orders. Show Answer Correct Answer: C) Species. 16. Which of the following is an autotrophic organism? A) Mango Tree. B) Tiger. C) Lion. D) Cow. Show Answer Correct Answer: A) Mango Tree. 17. Where is carbon stored in the environment? A) Fossil fuels. B) Wood of trees. C) Calcium carbonate (shells and bones). D) All of the above. Show Answer Correct Answer: D) All of the above. 18. Which two of the below given points are known as the twincharacteristics of growth?(1) Increase in mass(ii) Increase in number of individuals(iii) Cellular organization(iv) Cellular differentiation A) (i) and (ii). B) (ii) and (iii). C) (i) and (iii). D) (iii) and (iv). Show Answer Correct Answer: A) (i) and (ii). 19. The name of a plant order ends with A) -aceae. B) -ales. C) -idae. D) -ae. Show Answer Correct Answer: B) -ales. 20. Odd one w.r.t. extrinsic growth is? A) Mountain growth. B) Sand mounds growth. C) Secondary growth. D) Growth of snow mountains. Show Answer Correct Answer: C) Secondary growth. 21. Land developers plant grasses on steep slopes to stop erosion of topsoil. This is an example of what? A) Biodiversity. B) Conservation strategies. C) Habitat preservation. D) None of the above. Show Answer Correct Answer: B) Conservation strategies. 22. The system of binomial nomenclature was developed by ..... A) Linneaus. B) Mayr. C) Darwin. D) Mr. King. Show Answer Correct Answer: A) Linneaus. 23. Two or more species occupying the same or nearly overlapping areas are called A) Sympatric species. B) Allopatric species. C) Sibling species. D) Sub species. Show Answer Correct Answer: A) Sympatric species. 24. Amoeba moves with the help of: A) Cyanobacteria. B) Vibrio Cholerae. C) Cocci. D) Pseudopodia. Show Answer Correct Answer: D) Pseudopodia. 25. The differentiation of niches that enables similar species to coexist in a community A) Character displacement. B) Climax community. C) Resource partitioning. D) Pioneer species. Show Answer Correct Answer: C) Resource partitioning. ← 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