This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 2 Biological Classification – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 2 Biological Classification Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The scientific name for the common house cat is Felis domesticus. What is its species name? A) Domesticus. B) House cat. C) Feline. D) Felis. Show Answer Correct Answer: A) Domesticus. 2. Select the total number of disease from the following caused by bacteria mumps, snallpox, citrus canker, cholera, typhoid, tetanus, sleeping sickness, malaria A) 2. B) 4. C) 5. D) 6. Show Answer Correct Answer: B) 4. 3. Potato spindle tuber disease is caused by A) Phycobionts. B) Virus. C) Bacteria. D) Viroids. Show Answer Correct Answer: D) Viroids. 4. The highest productive marine ecosystem is inhabited by organisms exhibiting symbiotic association between A) Green algae-Cnidarians. B) Fungi-Algae. C) Fungi-roots of aquatic plants. D) Whale-Dinoflagellates. Show Answer Correct Answer: A) Green algae-Cnidarians. 5. Assertion-Bacteria are very complex in behaviors, though their structure is very simple. Reason-Bacteria as a group shows the most extensive metabolic diversity. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true and r is false. D) Both A and R are False. Show Answer Correct Answer: B) Both A and R are true but R is not the correct explanation of A. 6. Satellite RNAs are present in some ..... A) Viroids. B) Prions. C) Bacteriophages. D) Plant viruses. Show Answer Correct Answer: D) Plant viruses. 7. In the five-kingdom classification, which kingdom includes organisms that are primarily decomposers? A) Plantae. B) Animalia. C) Fungi. D) Protista. Show Answer Correct Answer: C) Fungi. 8. An organism was given scientific name based on what system? A) Binomial nomenclature. B) Taxonomy. C) Hierarchical. D) Nomenclature. Show Answer Correct Answer: A) Binomial nomenclature. 9. Bacteria participate in- A) Many industrial and commercial processes. B) N$_{2}$-fixation in legume roots. C) Disease producing in plants, animals and human beings. D) All. Show Answer Correct Answer: D) All. 10. Which domain of life is characterized by having cells with a true nucleus? A) Bacteria. B) Archaea. C) Eukaryota. D) Prokaryota. Show Answer Correct Answer: C) Eukaryota. 11. Assertion-The RNA of the viroid is of low molecular weight Reason-This RNA is able to cause neurological diseases in humans. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: C) A is true but R is false. 12. What are the highest-level groups in the classification system called? A) Kingdoms. B) Domains. C) Genuses. D) Species. Show Answer Correct Answer: B) Domains. 13. Which among the following is incorrect about Lacto bacilli? A) These are rod shaped bacteria. B) These are the bacteria responsible for turning milk into curd. C) These are parasites. D) They are also useful in industries for fermentation of wine. Show Answer Correct Answer: C) These are parasites. 14. Assertion:Viruses are considered as connective link between living and non-living.Reason:They act as live organism both outside and inside of host. A) Only reason is correct. B) Only assertion is correct. C) Both are incorrect. D) Both are correct. Show Answer Correct Answer: B) Only assertion is correct. 15. What is a cladogram? A) None of the above. B) A type of DNA sequence. C) A branching diagram representing evolutionary relationships. D) A type of fossil. Show Answer Correct Answer: C) A branching diagram representing evolutionary relationships. 16. What is the primary purpose of a dichotomous key? A) To classify organisms based on genetic information. B) To identify organisms by answering a series of questions. C) To create a visual representation of an ecosystem. D) To study the behavior of animals in their natural habitat. Show Answer Correct Answer: B) To identify organisms by answering a series of questions. 17. Which of the following is a correct statement about the kingdom Protista? A) All protists are photosynthetic. B) Protists are only found in aquatic environments. C) Protists can be either unicellular or multicellular. D) All protists are heterotrophic. Show Answer Correct Answer: C) Protists can be either unicellular or multicellular. 18. Which of the following is not involved in the sexual life cycle of fungi? A) Plasmogamy. B) Meiosis. C) Mitosis. D) Karyogamy. Show Answer Correct Answer: C) Mitosis. 19. This term describes a form of asexual reproduction utilized by yeasts in which 2 identical cells are produced. A) Budding. B) Conjugation. C) Fragmentation. D) Fertilization. Show Answer Correct Answer: A) Budding. 20. Which is missing:kingdom, phylum, ..... , order, family, genus, species. A) Ctenophora. B) Clown fish. C) Coral. D) Class. Show Answer Correct Answer: D) Class. 21. Cell wall is present in Kingdom anemalia A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. Statement I-Albugo candida is a bacteria.Statement II-It is responsible for causing white rust of crucifers. A) Both statements are correct. B) Only statement I is correct. C) Both statements are incorrect. D) Only statement ii is correct. Show Answer Correct Answer: D) Only statement ii is correct. 23. What is the role of a biologist in studying classification? A) To analyze the effects of climate change on ecosystems. B) To conduct experiments on plant growth only. C) The role of a biologist in studying classification is to categorize and understand the relationships among living organisms. D) To study the chemical composition of cells. Show Answer Correct Answer: C) The role of a biologist in studying classification is to categorize and understand the relationships among living organisms. 24. Why do you often see mushrooms attached to a dead log on the ground? A) Fungi are a part of the tree from which the log was attached. B) Fungi are giving the dead log nutrition. C) Fungi absorb their nutrition from dead organisms such as logs. D) Fungi are from the same kingdom as logs. Show Answer Correct Answer: C) Fungi absorb their nutrition from dead organisms such as logs. 25. NAKED CYTOPLASM, MULTINUCLEATED AND SAPROPHYTES ARE THE CHARACTRISTICS OF A) MONERA. B) PROTISTA. C) FUNGI. D) SLIME MOULDS. Show Answer Correct Answer: D) SLIME MOULDS. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 2 Biological Classification Quiz 1Class 11 Biology Chapter 2 Biological Classification Quiz 2Class 11 Biology Chapter 2 Biological Classification Quiz 3Class 11 Biology Chapter 2 Biological Classification Quiz 4Class 11 Biology Chapter 2 Biological Classification Quiz 5Class 11 Biology Chapter 2 Biological Classification Quiz 6Class 11 Biology Chapter 2 Biological Classification Quiz 7Class 11 Biology Chapter 2 Biological Classification Quiz 8Class 11 Biology Chapter 2 Biological Classification Quiz 9Class 11 Biology Chapter 2 Biological Classification Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books