This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 2 Biological Classification – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 2 Biological Classification Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Zygospore is formed from ..... A) Gametangial contact. B) Gametic union. C) Gametangial copulation. D) Zygote. Show Answer Correct Answer: C) Gametangial copulation. 2. A slide under microscope shows following features:i) Unicellularity ii) Well defined nucleusiii) Biflagellate-one flagellum lying longitudinally and the other transverselyWhat would you identify it as? A) Euglenoid. B) Bacterium. C) Dinoflagellate. D) Protozoan. Show Answer Correct Answer: C) Dinoflagellate. 3. Which domain includes single-celled microorganisms found in extreme environments? A) Archaea. B) Eukarya. C) Protista. D) Bacteria. Show Answer Correct Answer: A) Archaea. 4. When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will A) Increase in number. B) Increase in size. C) Decrease in size. D) Disappear. Show Answer Correct Answer: C) Decrease in size. 5. Cells occur singly and have no evidence of a nucleus. A) Plants. B) Fungi. C) Monerans. D) Protists. Show Answer Correct Answer: C) Monerans. 6. Bentham and Hooker gave which system of classification A) Phylogenetic. B) Natural. C) Numerical. D) Artificial. Show Answer Correct Answer: B) Natural. 7. Living things are classified into 3 Domain System based on? A) Sequence of amino acid. B) Sequence of messenger RNA. C) Sequence of protein. D) Sequence of ribosomal RNA. Show Answer Correct Answer: D) Sequence of ribosomal RNA. 8. What is the study of classification? A) Botany. B) Biology. C) Taxonomy. D) Microbiology. Show Answer Correct Answer: C) Taxonomy. 9. Which of the following bacteria are comma-shaped- A) Bacillus. B) Vibrio. C) Clostridium. D) Coccus. Show Answer Correct Answer: B) Vibrio. 10. Explain the importance of using Latin or Greek in naming organisms. A) They are modern languages spoken worldwide. B) They are dead languages, so meanings do not change over time. C) They are the official languages of the United Nations. D) They are easier to pronounce than other languages. Show Answer Correct Answer: B) They are dead languages, so meanings do not change over time. 11. What is the common name for 'Turdus migratorius' in North America? A) Blue Jay. B) Cardinal. C) Robin. D) Sparrow. Show Answer Correct Answer: C) Robin. 12. Bacteria that get their energy by fermentation & for whom oxygen is lethal are called as A) Facultative anaerobes. B) Obligate aerobes. C) Facultative aerobes. D) Obligate anaerobes. Show Answer Correct Answer: D) Obligate anaerobes. 13. Select the correct combination of the statements (A-D) regarding the characteristics of certain organisms. A-Methanogens are Archaebacteria, which produce methane in marshy areas.B-Nostoc is a filamentous blue-green algae, which fixes atmospheric nitrogen. C-Chemosynthetic-, .autotrophic bacteria synthesize cellulose from glucose.D-Mycoplasma lack a cell wall and can survive without oxygen. A) B, C, D. B) B, C. C) A, B, D. D) A, B, C. Show Answer Correct Answer: C) A, B, D. 14. Fungus prefer to grow in A) Warm and humid places. B) Cold and humid places. C) Warm and cold places. D) Warm, cold and humid places. Show Answer Correct Answer: A) Warm and humid places. 15. The Phylum Chordata contains which common names of creatures? A) Tunicates, Mammals, Birds, and more. B) House fly. C) Arrow-worm. D) Parasites. Show Answer Correct Answer: A) Tunicates, Mammals, Birds, and more. 16. Which of the following taxonomic groups includes organisms that are primarily decomposers? A) Protista. B) Animalia. C) Plantae. D) Fungi. Show Answer Correct Answer: D) Fungi. 17. Which of the following statements regarding kingdom plantae is correct? A) It includes all enkaryotic chlorophyll containing organisms. B) Few of its members are partially heterotrophic. C) The cell wall is made up of cellulose. D) All of these. Show Answer Correct Answer: D) All of these. 18. The organisms which completely lack a cell wall and can live without oxygen are A) Mycoplasmas. B) Archaebacteria. C) Thermoacidophiles. D) Methanogens. Show Answer Correct Answer: A) Mycoplasmas. 19. Reasons that viruses are considered to be nonliving is because A) They are not cellular. B) They cannot reproduce on their own. C) They cannot make proteins. D) All of the above. Show Answer Correct Answer: D) All of the above. 20. Spongilla is coming under Phylum Porifera A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. What step do we always start with when using dichotomous keys? A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: B) 1. 22. The founder of the modern taxonomy was a Swedish biologist named A) Luther. B) Linear. C) Linnaeus. D) Lumpkin. Show Answer Correct Answer: C) Linnaeus. 23. A phylum common to unicellular animals and plants is A) MONERA. B) PROTISTA. C) FUNGI. D) PLANTAE. Show Answer Correct Answer: B) PROTISTA. 24. Two groups of organisms that are farther from each other on a cladogram share more derived traits than groups that are closer to each other A) True. B) False-fewer. C) False-the same. D) None of the above. Show Answer Correct Answer: B) False-fewer. 25. The Three Kingdom classification was proposed by A) Bentham and Hooker. B) Haeckel. C) Copeland. D) Whittaker. Show Answer Correct Answer: B) Haeckel. 26. Fungi show asexual reproduction by all of the following kinds of spores except A) Zoospores. B) Oospores. C) Conidia. D) Sporangiospore. Show Answer Correct Answer: B) Oospores. 27. How many domains of classification are there? A) 2. B) 4. C) 1. D) 3. Show Answer Correct Answer: D) 3. 28. The Phylum Brachiopoda contains which common names of creatures? A) Arrow headed worms. B) Arachnids. C) Lamp shells. D) Mollusks. Show Answer Correct Answer: C) Lamp shells. 29. Any living thing A) Genus. B) Autotroph. C) Species. D) Organism. Show Answer Correct Answer: D) Organism. 30. Growth condition favored by thermoacidophiles are A) Hot and alkaline. B) Snow and acidic. C) Hot sulphur springs. D) Gut of cows. Show Answer Correct Answer: C) Hot sulphur springs. 31. Species are differentiated by binomial nomenclature which stands for ..... A) Two terms. B) One word. C) More science. D) None of the above. Show Answer Correct Answer: A) Two terms. 32. We know that Canis lupus is a gray wolf and Canis latrans is a coyote. What level of classification do they have in common? A) The Species name is the same. B) They are both Cats. C) The Genus name is the same. D) They are Prokaryotes. Show Answer Correct Answer: C) The Genus name is the same. 33. Which class of vertebrates is characterized by having moist skin and undergoing metamorphosis? A) Amphibians. B) Mammals. C) Reptiles. D) Birds. Show Answer Correct Answer: A) Amphibians. 34. Survival of the fittest or when favorable adaptations reproduce faster is called what? A) Natural selection. B) Evolution. C) Fossilization. D) Adaptation. Show Answer Correct Answer: A) Natural selection. 35. Assertion:Fungi show great diversity in habitat and nutritionReason:Fungi prefer to grow in cool ad humid places 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: D) Both A and R are false. 36. Which of the following domains includes organisms that are known for living in extreme environments? A) Plantae. B) Eukarya. C) Archaea. D) Bacteria. Show Answer Correct Answer: C) Archaea. 37. Archaebacteria differ from eubacteria in? A) Cell wall and cell membrane. B) Genetic material. C) Cell wall. D) Cell membrane. Show Answer Correct Answer: A) Cell wall and cell membrane. 38. How many kingdom classifications are there? A) 4. B) 6. C) 8. D) 2. Show Answer Correct Answer: B) 6. 39. Which of the following is a characteristic of the Two Kingdom system? A) It is based on genetic information. B) It includes all plants and animals. C) It distinguishes unicellular from multicellular. D) It includes viruses. Show Answer Correct Answer: B) It includes all plants and animals. 40. Which level of biological classification is the MOST specific? A) Order. B) Kingdom. C) Species. D) Phylum. Show Answer Correct Answer: C) Species. 41. One of the major component of cell wall of most of the fungai is A) Cellulose. B) Chitin. C) Peptidoglycal. D) Hemicellulose. Show Answer Correct Answer: B) Chitin. 42. Common bread mould is A) Bacteria. B) Rhizopus. C) Virus. D) Yeast. Show Answer Correct Answer: B) Rhizopus. 43. What was a limitation of the early classification systems? A) They included too many kingdoms. B) They did not use scientific criteria. C) They were too complex. D) They were based on DNA analysis. Show Answer Correct Answer: B) They did not use scientific criteria. 44. Contractile vacuole is present in A) A) Marine protozoa. B) BFresh water protozoans. C) Both a and b. D) Parasitic Protozoa-vacuole is present. Show Answer Correct Answer: B) BFresh water protozoans. 45. This taxon is between Kingdom and Class in hierarchical classification. A) Genus. B) Phylum. C) Domain. D) Family. Show Answer Correct Answer: B) Phylum. 46. Which of the following is not the criterion of the Five kingdom classification A) Phylogenetic relationship. B) Mode of Reproduction. C) Type of reproduction. D) Complexity of Cell structure. Show Answer Correct Answer: C) Type of reproduction. 47. The fungal hyphae of mycorrhizae take part in: A) Absorption of water. B) Absorption of nutrients. C) Secretion of various growth promoting substances. D) All of the above. Show Answer Correct Answer: D) All of the above. 48. Mode of nutrition is heterotrophic in A) Plantae. B) Fungi. C) Monera. D) Protista. Show Answer Correct Answer: B) Fungi. 49. I am less complex than plantea and I am heterotrophic. I am from Kingdom ..... A) Animalia. B) Fungi. C) Protista. D) None of the above. Show Answer Correct Answer: B) Fungi. 50. Which of the following statements is wrong about Archaebacteria? A) They live in some of the most harsh habitats. B) They are recently evolved group. C) Cell wall is peptidoglycanless. D) They are unlike most other bacteria. Show Answer Correct Answer: B) They are recently evolved group. 51. Protista contains A) Euglena, Dinoflagellates, Yeast. B) Amoeba, Paramecium, Hydra. C) Euglena, Paramaecium, Mushroom. D) Amoeba, Paramaecium and Dinoflagellates. Show Answer Correct Answer: D) Amoeba, Paramaecium and Dinoflagellates. 52. Which of the following are edible ascomycetes delicacies? A) Morels + Mushroom. B) Truffles + Toadstool. C) Morels + Trufles. D) Puffball + Mushroom. Show Answer Correct Answer: C) Morels + Trufles. 53. This type of cell does not have organelles and the DNA is suspended in the cytoplasm. A) Eukaryotic. B) Bacteria. C) Prokaryotic. D) Archaic. Show Answer Correct Answer: C) Prokaryotic. 54. Animals living in extremely cold environments usually have special characteristics like thick blubber, thick fur, or other methods of conserving heat. What do these characteristics represent? A) Mutations. B) Selective Breeding. C) Variations. D) Adaptations. Show Answer Correct Answer: D) Adaptations. 55. Which one of the following matches is correct? A) Mucor-Ascomycetes-Reproductionby Conjugation. B) Alternaria-Deuteromycetes-sexual reproduction absent. C) Phytophthora Aseptate Basidiomycetes mycelium. D) Agaricus Parasitic fungus Basidiomycetes. Show Answer Correct Answer: B) Alternaria-Deuteromycetes-sexual reproduction absent. 56. Cyanobacteria are classified under which of the following kingdoms? A) Protista. B) Plantae. C) Monera. D) Fungi. Show Answer Correct Answer: C) Monera. 57. Which one of the following also acts as a catalyst in a bacterial cell? A) Sn RNA. B) 5 sr RNA. C) 23 sr RNA. D) Hn RNA. Show Answer Correct Answer: C) 23 sr RNA. 58. Which of the following is the correct order of taxonomic ranks from broadest to most specific? A) Domain, Kingdom, Class, Phylum, Order, Family, Species, Genus. B) Kingdom, Domain, Class, Phylum, Order, Family, Species, Genus. C) Kingdom, Domain, Phylum, Class, Order, Family, Genus, Species. D) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. Show Answer Correct Answer: D) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. 59. A. Reproduce only by asexual spores known as conidia.B. The mycelium is septate and branched.C. Some members are saprophytes or parasites while a large number of them aredecomposers of litter and help in mineral cycling.D. Commonly known as imperfect fungi because only the asexual orvegetative phases of these fungi are known.Which class of fungi is being described in above statements? A) Basidiomycetes. B) Deuteromycetes. C) Ascomycetes. D) Phycomycetes. Show Answer Correct Answer: B) Deuteromycetes. 60. Which of the following statements is NOT a general characteristics of Viruses? A) They are acellular and sub microscopic. B) They are highly resistant to antibiotics. C) They lack motility. D) They can be separated by bacterial filters. Show Answer Correct Answer: D) They can be separated by bacterial filters. ← 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 8Class 11 Biology Chapter 2 Biological Classification Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books