This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 1 The Living World – Quiz 78 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 1 The Living World Quiz 78 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is genetic diversity? A) The variety of species in a given habitat. B) The total number of genetic characteristics in the genetic makeup of a species, contributing to its adaptability and survival. C) The number of individuals in a population. D) The differences in physical traits among individuals of a species. Show Answer Correct Answer: B) The total number of genetic characteristics in the genetic makeup of a species, contributing to its adaptability and survival. 2. Amphibians live: A) In water and on land. B) Only in water. C) Only on land. D) None of the above. Show Answer Correct Answer: A) In water and on land. 3. In plants, cell division occurs ..... whereas in animals, it occurs A) Only upto a certain age, continuously. B) Continuously, only upto a certain age. C) Continuously in both. D) Only upto a certain age in bothwhereas in. Show Answer Correct Answer: B) Continuously, only upto a certain age. 4. Direct competition for a finite resource is called: A) Contest competition. B) Interspecific competition. C) Scramble competition. D) Territoriality. Show Answer Correct Answer: C) Scramble competition. 5. Father of biology is A) Linnaeus. B) Aristotle. C) Thoephrastus. D) Brunfels. Show Answer Correct Answer: B) Aristotle. 6. Biodiversity, aka biological diversity, usually refers to A) The same species in a general location. B) The number of different species in a given area. C) The number of animal species in a given area. D) The number of plant species in a given area. Show Answer Correct Answer: B) The number of different species in a given area. 7. Which one among the following statements is correct about the animals? A) All animals reproduce by laying eggs only. B) All animals reproduce by giving birth to young ones only. C) Some animals reproduce by giving birth to young ones and some by laying eggs. D) Animals do not reproduce. Show Answer Correct Answer: C) Some animals reproduce by giving birth to young ones and some by laying eggs. 8. Plants are important because a lot of the food we eat come from a plant. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. What is the main ethical concern associated with genetic modification? A) Increased biodiversity. B) Potential health risks. C) Improved crop yields. D) Faster growth rates. Show Answer Correct Answer: B) Potential health risks. 10. A hawk eats a mouse that lived in an ecosystem where there is 10, 000 kcals of energy in the insect population the mouse consumes. How much energy, in kcals, moves up to the trophic level the hawk is in? A) 1 kcals. B) 10 kcals. C) 100 kcals. D) 1000 kcals. Show Answer Correct Answer: C) 100 kcals. 11. 97% of the water on earth is ..... , making it undrinkable for humans. A) Fresh water. B) Ground water. C) Salt water. D) Surface water. Show Answer Correct Answer: C) Salt water. 12. Which piece of evidence is NOT studied to prove how species evolved over time? A) Anatomy. B) Fossil record. C) Embryology. D) Hair color. Show Answer Correct Answer: D) Hair color. 13. What is the impact of globalization on local economies? A) Local economies become completely isolated from global markets. B) Globalization impacts local economies by increasing competition, creating job shifts, and influencing local culture and environment. C) Globalization has no effect on local culture or environment. D) Globalization leads to a decrease in competition and job creation. Show Answer Correct Answer: B) Globalization impacts local economies by increasing competition, creating job shifts, and influencing local culture and environment. 14. Which nitrogen cycle process is occurring when bacteria convert ammonium to nitrite and then into nitrate? A) Nitrogen fixation. B) Nitrification. C) Denitrification. D) Ammonification. E) Assimilation. Show Answer Correct Answer: B) Nitrification. 15. Which of these is an example of a living organism? A) Rock. B) Plant. C) Car. D) Cloud. Show Answer Correct Answer: B) Plant. 16. With what do insects breathe? A) Gills. B) Lungs. C) Spiracles. D) Nostrils. Show Answer Correct Answer: C) Spiracles. 17. What is the main reservoir for the carbon cycle? A) Atmosphere. B) Ocean sediment. C) Coal. D) Vegetation. Show Answer Correct Answer: B) Ocean sediment. 18. An English naturalist, who wrote the book 'Historia Generalis Plantarum' and introduced the word 'species' was A) Theophrastus. B) John Ray. C) Cuvier. D) Lamarck. Show Answer Correct Answer: B) John Ray. 19. Define:Keystone species. A) A species that has a disproportionately large effect on its environment relative to its abundance. B) A species that is always the most numerous in an ecosystem. C) A species that is only found in one specific geographic location. D) A species that is at the top of the food chain. Show Answer Correct Answer: A) A species that has a disproportionately large effect on its environment relative to its abundance. 20. What is a predator-prey relationship? A) A relationship where two species compete for limited resources. B) A relationship where one organism eats another organism. C) A relationship where two species mutually benefit from each other. D) A relationship where two species live in close proximity without any interaction. Show Answer Correct Answer: B) A relationship where one organism eats another organism. 21. Which of these is not a rule for binomial nomenclature? A) Name of the taxonomist who first assigned the species should be put at the end. B) If the name has been revised, original scientists mentioned in brackets followed by new one. C) Generic name followed by specific epithet. D) Scientific names are taken from Greek and Latin. Show Answer Correct Answer: D) Scientific names are taken from Greek and Latin. 22. What is the term used for the special features that enable plants and animals to survive in a particular region? A) Habitat. B) Adaptations. C) Biodiversity. D) Grouping. Show Answer Correct Answer: B) Adaptations. 23. What best describes the climate in the desert? A) Warm. B) Hot. C) Dry. D) Windy. Show Answer Correct Answer: C) Dry. 24. Define the term:Biotic. A) Biotic refers to living components of an ecosystem, such as plants, animals, and microorganisms. B) Biotic refers to non-living components of an ecosystem, such as water, air, and minerals. C) Biotic refers to the chemical processes that occur in the soil. D) Biotic refers to the physical features of the landscape, such as mountains and rivers. Show Answer Correct Answer: A) Biotic refers to living components of an ecosystem, such as plants, animals, and microorganisms. 25. In Unicellular organisms the cell division itself is a kind of reproduction A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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