This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 2 Biological Classification – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 2 Biological Classification Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cyanobacteria are mainly ..... A) Aerobic. B) Chemosynthetic. C) Oxygenic photosynthetic organism. D) Symbiotic. Show Answer Correct Answer: C) Oxygenic photosynthetic organism. 2. Which of the following is NOT a characteristic of the Animalia kingdom? A) Mobile. B) Multicellular. C) Quickly react to surroundings. D) Photosynthetic. Show Answer Correct Answer: D) Photosynthetic. 3. Difference in Gram + and Gram-bacteria is due to ..... A) Cell wall. B) Cell membrane. C) Ribosome. D) Cytoplasm. Show Answer Correct Answer: A) Cell wall. 4. The Phylum Arthropoda makes up what percentage of all animals? A) 39%. B) 84%. C) 52%. D) 13%. Show Answer Correct Answer: B) 84%. 5. The algal and fungal partner in lichen is respective called as? A) Mycobiont and Phycobiont. B) Phycobiont and Mycobiont. C) Phycology and Mycology. D) None of theses. Show Answer Correct Answer: B) Phycobiont and Mycobiont. 6. Which kingdom includes organisms that are primarily decomposers and have cell walls made of chitin? A) Animalia. B) Protista. C) Plantae. D) Fungi. Show Answer Correct Answer: D) Fungi. 7. Find odd one w.r.t Euglena A) Elastic protein layer pellicle is outer to cell wall. B) Biflagellated. C) Contractile vacuole present. D) Facultative heterotrophs. Show Answer Correct Answer: A) Elastic protein layer pellicle is outer to cell wall. 8. What is the term for a group of similar organisms that can breed together? A) Kingdom. B) Genus. C) Species. D) Family. Show Answer Correct Answer: C) Species. 9. Which of the following conditions would be favoured by thermophiles? A) The arctic tundra. B) Deep-sea volcanic vents. C) The stomach of herbivores. D) Anaerobic conditions. Show Answer Correct Answer: B) Deep-sea volcanic vents. 10. Which of the following is the most specific classification level? A) Species. B) Kingdom. C) Domain. D) Genus. Show Answer Correct Answer: A) Species. 11. VIROID IS NOT HAVING A) PROTEIN COAT. B) NUCLEIC ACID. C) BOTH 1 AND 2. D) NONE OF THESE. Show Answer Correct Answer: A) PROTEIN COAT. 12. Which one of the following are acoelomates A) Chordata. B) Arthropoda. C) Platyhelminthes. D) Annelida. Show Answer Correct Answer: C) Platyhelminthes. 13. Why now cyanobacteria are kept in monera and not in plantae1. They are prokaryotes2. The cell wall of cyanobacteria have peptidoglycan3. They can fix atmospheric nitrogen A) 1 and 2 are correct. B) 2 and 3 are correct. C) 1 and 3 are correct. D) All are correct. Show Answer Correct Answer: D) All are correct. 14. Prokaryote & lives in extreme environment. This organism is classified under which domain? A) Eukarya. B) Bacteria. C) Archaea. D) Prokarya. Show Answer Correct Answer: C) Archaea. 15. What was the primary purpose of the binomial system invented by Carolus Linnaeus? A) To study human anatomy. B) To classify animals. C) To consistently name plants. D) To develop new plant species. Show Answer Correct Answer: C) To consistently name plants. 16. Common names for certain animals can be misleading. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Chief producers in ocean are- A) Diatoms. B) Dinoflagellates. C) Green algae. D) Euglenoids. Show Answer Correct Answer: A) Diatoms. 18. Which of the following lists contains only abiotic factors? A) Nuts, corn, dirt, flowers. B) Dead logs, fungi, bacteria, sea urchins. C) Occasional flooding, soil, warm climate, ponds. D) Dead grass, rock, water, snow. Show Answer Correct Answer: C) Occasional flooding, soil, warm climate, ponds. 19. Group of related genera A) Class. B) Family. C) Genus. D) Order. Show Answer Correct Answer: B) Family. 20. In which of the following groups cell wall has stiff cellulosic plate A) Dinoflagellates. B) Slime moulds. C) Euglenoids. D) Diatoms. Show Answer Correct Answer: A) Dinoflagellates. 21. What is the genus name here:Canis lupus A) Canis. B) Lupus. C) All the above. D) None of the above. Show Answer Correct Answer: A) Canis. 22. The majority of bacteria are- A) Disease causing. B) Chemoautotrophs. C) Photoautotrophs. D) Chemoheterotrophs / decomposers. Show Answer Correct Answer: D) Chemoheterotrophs / decomposers. 23. The ..... are organisms thatcompletely lack a cell wall. A) Bacteria. B) Mycoplasma. C) Virus. D) None of the above. Show Answer Correct Answer: B) Mycoplasma. 24. A dolipore septum is a characteristic feature of A) Phycomycetes. B) Ascomycetes. C) Basidiomycetes. D) Zygomycetes. Show Answer Correct Answer: C) Basidiomycetes. 25. Which domain contains organisms that are unicellular, prokaryotic, and can cause illness yet also make food such as yogurt. A) Eukarya. B) Archaea. C) Bacteria. D) None of the above. Show Answer Correct Answer: C) Bacteria. 26. The term "archaea" was given by: A) Carl Woese. B) Linnaeus. C) Haeckel. D) Whittaker. Show Answer Correct Answer: A) Carl Woese. 27. This kingdom includes complex, multicellular organisms that are usually green, have cell walls, and make sugar by photosynthesis. A) Protista. B) Fungi. C) Animalia. D) Plantae. Show Answer Correct Answer: D) Plantae. 28. In the scientific name of the white oak, Quercus alba, Quercus is the species name A) False-genus. B) False-family. C) Family-phylum. D) True. Show Answer Correct Answer: A) False-genus. 29. ASSOCIATION BETWEEN MYCOBIONT AND PHYCOBIONT ARE FOUND IN A) LICHEN. B) B.G.A. C) MYCORRHIZA. D) ROOT. Show Answer Correct Answer: A) LICHEN. 30. Which domain does not have a nuclear membrane? A) Archaea. B) Fungi. C) Protista. D) Eukaryota. Show Answer Correct Answer: A) Archaea. 31. Penicillium sp. belongs to A) Basidiomycetes. B) Zygomycetes. C) Deuteromycetes. D) Ascomycetes. Show Answer Correct Answer: D) Ascomycetes. 32. Which of the followings is a unicellular fungal form A) A-yeast. B) B-saccharomyces. C) C-Both a and b. D) D-albugo. Show Answer Correct Answer: C) C-Both a and b. 33. Which kingdom consists of multicellular organisms that are usually green? A) Plantae. B) Fungi. C) Animalia. D) Protista. Show Answer Correct Answer: A) Plantae. 34. Taxa means ..... / A) Group. B) Trait. C) Smallest organism. D) Largest group. Show Answer Correct Answer: A) Group. 35. Which of the following is a characteristic of the domain Archaea? A) They have a true nucleus. B) They live in extreme environments. C) They are all multicellular. D) They are photosynthetic. Show Answer Correct Answer: B) They live in extreme environments. 36. Which of these has a backbone? A) Squid. B) Jellyfish. C) Snake. D) Worm. Show Answer Correct Answer: C) Snake. 37. One of the partner in symbiotic association, responsible for fixing dinitrogen in Cycadales belongs to kingdom A) Animalia. B) Fungi. C) Protista. D) Monera. Show Answer Correct Answer: D) Monera. 38. FOLLOWING ORANISM IS NOT A PROKARYOTE A) ENTAMOEBA. B) CYANOBACTERIA. C) LACTOBACILLUS. D) MYCOPLASMA. Show Answer Correct Answer: A) ENTAMOEBA. 39. Which of the following organisms possesses characteristics of both a plant and an ani-mal? A) Diatoms. B) Mycoplasma. C) Bacteria. D) Euglena. Show Answer Correct Answer: D) Euglena. 40. What is the term for organisms that can make their own food? A) Saprophytes. B) Decomposers. C) Heterotrophs. D) Autotrophs. Show Answer Correct Answer: D) Autotrophs. 41. In fungi, asexual reproduction takes place by A) Fission, conidia and ascospores. B) Conidia, hypnospores and zoospores. C) Conidia, sporangiospores and zoospores. D) Sporangiospores, conidia and basidiospores. Show Answer Correct Answer: C) Conidia, sporangiospores and zoospores. 42. Name the organisms which do not deriveenergy directly or indirectly from sun A) Parasitic bacteria. B) Pathogenic bacteria. C) Saprophytic moulds. D) Chemosynthetic bacteria. Show Answer Correct Answer: D) Chemosynthetic bacteria. 43. What is the classification rank below 'phylum'? A) Family. B) Species. C) Class. D) Order. Show Answer Correct Answer: C) Class. 44. What is the primary characteristic of the kingdom Fungi? A) Decomposition. B) Parasitism. C) Symbiosis. D) Photosynthesis. Show Answer Correct Answer: A) Decomposition. 45. In five-kingdom system, the main basis ofclassification is A) Structure of nucleus. B) Mode of nutrition. C) Structure of cell wall. D) Asexual reproduction. Show Answer Correct Answer: B) Mode of nutrition. 46. How many kingdoms are there under the three domains, according to scientists today? A) Six. B) Seven. C) Five. D) Four. Show Answer Correct Answer: A) Six. 47. Match the taxonomic group with its characteristics:Which group includes multicellular organisms that can photosynthesize? A) Protista. B) Plantae. C) Animalia. D) Fungi. Show Answer Correct Answer: B) Plantae. 48. The hyphae of parasitic fungus on mustard has a common feature with that of A) Liquid endosperm of coconut. B) White kernel of coconut. C) Radicle. D) Cotyledon. Show Answer Correct Answer: A) Liquid endosperm of coconut. 49. Drosophila of Plant kingdom is: A) Saccharomyces. B) Claviceps. C) Neurospora. D) Aspergillus. Show Answer Correct Answer: C) Neurospora. 50. Assertion-The 2 kingdom classification that had been in use for a long time was found to be inadequate.Reason-The classification of organisms into Plantae and Animalia was easy to understand, but a large number of organisms did not fall into either category. A) A and R are true and R is the correct explanation of A. B) A and R are true but R is not the correct explanation of A. C) A is true and R is false. D) A is false and R is also false. Show Answer Correct Answer: A) A and R are true and R is the correct explanation of A. 51. The division of organisms into groups or taxa based on characteristics is called ..... A) Life science. B) Biology. C) Classification. D) Ecology. Show Answer Correct Answer: C) Classification. 52. The organism used in bread, beer and wine production is the A) Candida sp. B) Saccharomyces sp. C) Penicillium sp. D) Agaricus sp. Show Answer Correct Answer: B) Saccharomyces sp. 53. What is a prokaryote? A) An autotroph. B) A heterotroph. C) An organism without a nucleus in its cells. D) An organism that has nuclei in its cells. Show Answer Correct Answer: C) An organism without a nucleus in its cells. 54. Which kingdom is known for its ability to live in extreme environments? A) Plantae. B) Archaea. C) Fungi. D) Bacteria. Show Answer Correct Answer: B) Archaea. 55. Structure absent in bacteria envelope A) Cell wall. B) Cell membrane. C) Flagella. D) Glycocalyx. Show Answer Correct Answer: C) Flagella. 56. Which of these is a defining character of plants only? A) Autotrophic nature. B) Eukaryotic cell structure. C) Cellulosic cell wall. D) Aerobic respiration. Show Answer Correct Answer: C) Cellulosic cell wall. 57. A group of related phyla A) Family. B) Kingdom. C) Class. D) Genus. Show Answer Correct Answer: B) Kingdom. 58. Sexual reproduction is found in all except- A) Deuteromycetes. B) Basidiomycetes. C) Ascomycetes. D) Phycomycetes. Show Answer Correct Answer: A) Deuteromycetes. 59. The study of plants is ..... A) Zoology. B) Botany. C) Biology. D) None of the above. Show Answer Correct Answer: B) Botany. 60. In majority of lichens, there is association of ..... A) Green algae and ascomycetes. B) Green algae and basidiomycetes. C) Blue green algae and basidiomycetes. D) Blue green algae and ascomycetes. Show Answer Correct Answer: D) Blue green algae and ascomycetes. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books