This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 66 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 66 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Autotroph A) An organism that eats primary consumers. B) An organism that cannot make its own food. C) An organism that eats producers. D) An organism that makes its own food. Show Answer Correct Answer: D) An organism that makes its own food. 2. Select the key processes involved in the carbon cycle? A) Photosynthesis, respiration and combustion. B) Volcanic eruptions, hydrogen burning, and death. C) Neutralization, leaching and breathing. D) Protein production, and precipitation. Show Answer Correct Answer: A) Photosynthesis, respiration and combustion. 3. What type of plants have soft and green stems? A) Herbs. B) Climbers. C) Trees. D) Shrubs. Show Answer Correct Answer: A) Herbs. 4. The total rate of photosynthesis in a given area. A) Cellular respiration. B) Net primary productivity. C) Gross primary productivity. D) Primary productivity. Show Answer Correct Answer: C) Gross primary productivity. 5. In plants, growth is A) Determinant. B) Indeterminate. C) Intrinsic. D) Both 1 and 3. Show Answer Correct Answer: B) Indeterminate. 6. Which animal is known for its unique chirp that helps in identifying its species? A) Fish. B) Dog. C) Bird. D) Snake. Show Answer Correct Answer: C) Bird. 7. A baby boy aged two years is admitted toplay school and passes through a dentalcheck-up. The dentist observed that boy hadtwenty teeth. Which teeth were absent A) Premolars. B) Molars. C) Incisors. D) Canine. Show Answer Correct Answer: A) Premolars. 8. The two main processes that return water to the atmosphere are ..... A) Evaporation & Transpiration. B) Precipitation & Transpiration. C) Precipitation & Evaporation. D) None of the above. Show Answer Correct Answer: A) Evaporation & Transpiration. 9. A couplet in a key is A) Each statement in the key. B) Contrasting characters in a pair. C) Rejection of a statement. D) None of these. Show Answer Correct Answer: B) Contrasting characters in a pair. 10. Euglenoids have a flexible outer covering called: A) Cell wall. B) Test. C) Pellicle. D) Sheath. Show Answer Correct Answer: C) Pellicle. 11. ..... primary productivity is the total amount of energy that producers convert to chemical energy in organic molecules per unit of time. A) Net. B) Total. C) Gross. D) None of the above. Show Answer Correct Answer: C) Gross. 12. Predicts NO RELATIONSHIP between two phenomena, no difference among groups (ex: "There is no link between cigarette smoking and development of lung cancer" ) A) Null hypothesis. B) Alternative hypothesis. C) Control variable. D) Dependent variable. Show Answer Correct Answer: A) Null hypothesis. 13. Which kingdom system was proposed by R.H. Whittaker in 1969? A) Two kingdom. B) Three kingdom. C) Four kingdom. D) Five kingdom. Show Answer Correct Answer: D) Five kingdom. 14. All living organisms need water for their survival. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Which taxonomic aid gives comprehensive account of complete compiled information of a genus or family at a particular time? A) Taxonomic Key. B) Herbarium. C) Monograph. D) All of these. Show Answer Correct Answer: C) Monograph. 16. Why are acquired traits not directly related to the process of evolution? A) Since acquired traits are not genetically determined, they cannot be passed on to offspring. B) They cannot cause a population to change over generations. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 17. A mango tree is classified as: A) Herb. B) Shrub. C) Tree. D) None of the above. Show Answer Correct Answer: C) Tree. 18. Which of the following describes the variation in genes that exist within a species? A) Genetic diversity. B) Species diversity. C) Ecological diversity. D) None of the above. Show Answer Correct Answer: A) Genetic diversity. 19. Destruction of vegetation caused by too many grazing animals consuming the plants in a particular area so they cannot recover A) Species diversity. B) Overgrazing. C) Transpiration. D) Edge effect. Show Answer Correct Answer: B) Overgrazing. 20. It is an invertebrate A) Frog. B) Lizard. C) Octopus. D) Human beings. Show Answer Correct Answer: C) Octopus. 21. Which of these is a consequence of deforestation? A) Increased oxygen in the atmosphere. B) Decreased biodiversity and soil erosion. C) Decreased availability of sunlight and vitamin D. D) Increased annual precipitation and acid rain. Show Answer Correct Answer: B) Decreased biodiversity and soil erosion. 22. Which of the following animals is an omnivore? A) Tiger. B) Lion. C) Bear. D) Giraffe. Show Answer Correct Answer: C) Bear. 23. The arrows in a food chain or web represents what? A) They point to the organism that is being eaten. B) It shows how sunlight flows within an ecosystem. C) They show what direction the energy is flowing between organisms. D) They represent how water is transferred within a habitat. Show Answer Correct Answer: C) They show what direction the energy is flowing between organisms. 24. All eukaryotic unicellular organism belong to A) Monera. B) Protista. C) Fungi. D) Bacteria. Show Answer Correct Answer: B) Protista. 25. This continent is an example of a cold desert. A) Antartica. B) Australia. C) Iceland. D) None of the above. Show Answer Correct Answer: A) Antartica. ← 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