This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 2 Biological Classification – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 2 Biological Classification Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Members of this kingdom never have a cell wall A) Protista. B) Archaebacteria. C) Animalia. D) Plantae. Show Answer Correct Answer: C) Animalia. 2. What are the main characteristics of organisms classified under the domain Eukarya? A) They have no nucleus. B) They have a nucleus and membrane-bound organelles. C) They are all unicellular. D) They are all prokaryotic. Show Answer Correct Answer: B) They have a nucleus and membrane-bound organelles. 3. Lichens are pollution indicators of A) Soil pollution. B) Water pollution. C) Air pollution. D) None of these. Show Answer Correct Answer: C) Air pollution. 4. AN ASSOCIATION BETWEEN ROOTS OF HIGHER PLANTS AND FUNGI IS CALLED A) FERN. B) MYCORRHIZA. C) LICHEN. D) BLUE GREEN ALGAE. Show Answer Correct Answer: B) MYCORRHIZA. 5. Which of the following is a characteristic of organisms in the kingdom Protista? A) They are all multicellular. B) They have a defined nucleus. C) They are all photosynthetic. D) They lack a cell membrane. Show Answer Correct Answer: B) They have a defined nucleus. 6. What are the 3 domains in the current biological classification system? A) Animal, plant, virus. B) Archaea, Bacteria, and Eukarya. C) All the above. D) None of the above. Show Answer Correct Answer: B) Archaea, Bacteria, and Eukarya. 7. ..... , Kingdom, Phylum, Class, Order, Family, Genus, Species. What level is missing? A) Class. B) Domain. C) Domino. D) Dominion. Show Answer Correct Answer: B) Domain. 8. The basidiocarp bearing saprophytic fungi are: A) Aspergillus, Neurospora. B) Amanita, Ganoderma. C) Agaricus, Puccinia. D) Albugo, Mucor. Show Answer Correct Answer: B) Amanita, Ganoderma. 9. What is binomial nomenclature? A) System of 3 names. B) System of 2 names. C) The names of the kingdoms. D) The levels of classification. Show Answer Correct Answer: B) System of 2 names. 10. The first and largest category in the scientific classification of organisms is ..... A) Species. B) Class. C) Kingdom. D) Order. Show Answer Correct Answer: C) Kingdom. 11. Read the following statements and select the correct option.Statement 1:Almost all bacteria possess lipo-proteinaceous plasma membraneStatement 2:The plasma membrane of archaebacteria as well as eubacteria have same type of lipids. A) Both statement 1 and 2 are correct. B) Statement 1 is correct but statement 2 is incorrect. C) Statement 1 is incorrect but statement 2 is correct. D) Both statements 1 and 2 are incorrect. Show Answer Correct Answer: B) Statement 1 is correct but statement 2 is incorrect. 12. Hair-like fibers that help protists move are called A) Pseudopodia. B) Flagella. C) Hair. D) Cilia. Show Answer Correct Answer: D) Cilia. 13. Photosynthetic pigments of cyanobacteria (blue green algae) include A) Cholorophyll a. B) Carotenes. C) Xanthophylls. D) All of these. Show Answer Correct Answer: D) All of these. 14. Any grouping of organisms into domains or kingdoms is based on several factors, including A) Cell structure and how they get their food. B) The number of organisms. C) Language of organism. D) None of the above. Show Answer Correct Answer: A) Cell structure and how they get their food. 15. All protozoans are- A) Predators only. B) Parasites only. C) Hterotrophs (parasites or predators). D) Saprophytes only. Show Answer Correct Answer: C) Hterotrophs (parasites or predators). 16. Which one of the following energy source used by chemosynthetic bacteria? A) Organic chemicals. B) Inorganic chemicals. C) Light. D) Water. Show Answer Correct Answer: B) Inorganic chemicals. 17. The broadest or most general taxonomic classification of living organisms is organized by ..... A) Domain. B) Kingdom. C) Organisms. D) Species. Show Answer Correct Answer: A) Domain. 18. Rickettsiae constitute a group under A) Bacteria. B) Viruses. C) Independent group bewtween bacteria and viruses. D) Fungi. Show Answer Correct Answer: A) Bacteria. 19. Lichen indicator of increased SO2 concentration (pollution) in environment because they A) Grow faster than others. B) Flourish in SO2 rich environment. C) Are sensitive to SO2. D) Show association between algae and fungi. Show Answer Correct Answer: C) Are sensitive to SO2. 20. (Taxonomy) The method of naming organisms by two names is known as ..... A) Dichotomous naming. B) Binomial nomenclature. C) The scientific method. D) None of the above. Show Answer Correct Answer: B) Binomial nomenclature. 21. What method involves examining the external and internal structures of organisms to reveal phylogeny? A) None of the above. B) Fossil evidence. C) Molecular analysis. D) Morphological analysis. Show Answer Correct Answer: D) Morphological analysis. 22. The characteristic covering of lipopolysaccharides over cell wall is found in A) Gram +ve bacteria. B) Gram-ve bacteria. C) All eukaryotes. D) Both a & b. Show Answer Correct Answer: B) Gram-ve bacteria. 23. True or False:All cells have DNA. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Rod shaped bacteria A) Spirillum. B) Bacillus. C) Coccus. D) Vibrium. Show Answer Correct Answer: B) Bacillus. 25. VIRUS ARE ACELLULAR OR NON CELLULAR ORGANISM BELONGS TO KINGDOM A) MONERA. B) PROTISTA. C) FUNGI. D) NONE. Show Answer Correct Answer: D) NONE. 26. What can you find out by working through a dichotomous key in the correct order? A) When a species first appeared on Earth. B) How long slime mold can live. C) How many birds migrate north to south in winter. D) The identify, or name of the organism. Show Answer Correct Answer: D) The identify, or name of the organism. 27. Why are common names for species sometimes problematic? A) They are difficult to pronounce. B) They are not scientifically accurate. C) They are too long. D) They can differ by region. Show Answer Correct Answer: D) They can differ by region. 28. Which organelle functions to remove excess water in many protists? A) Oral groove. B) Food vacuole. C) Contractile vacuole. D) Micronucleus. Show Answer Correct Answer: C) Contractile vacuole. 29. Fungus used in genetic experiments is A) Rhizopus. B) Neurospora. C) Claviceps. D) Mucor. Show Answer Correct Answer: B) Neurospora. 30. Which of the following is an edible fungi? A) Agaricus. B) Rhizopus. C) Penicillium. D) Mucor. Show Answer Correct Answer: A) Agaricus. 31. Classification is useful in explaining relationships and ..... A) Taking test. B) Organizing objects. C) Creating new organisms. D) None of the above. Show Answer Correct Answer: B) Organizing objects. 32. Which one of the following fungi contains hallucinogens? A) Morchella esculenta. B) Neurospora sp. C) Amanita muscaria. D) Ustilago sp. Show Answer Correct Answer: C) Amanita muscaria. 33. Branch of biology that deals with the classifications of organism A) Genetics. B) Taxonomy. C) Botany. D) Zoology. Show Answer Correct Answer: B) Taxonomy. 34. PSP (Paralysis Selfish Poisoning) is caused by ..... A) Dinoflagellates. B) Protozoans. C) Mycoplasma. D) Bacteria. Show Answer Correct Answer: A) Dinoflagellates. 35. Red tide is caused by- A) Ceretium. B) Noctiluca. C) Gonyaulax. D) All of these. Show Answer Correct Answer: C) Gonyaulax. 36. Statement I-Two kingdom system classification was proposed by Linnaeus.Statement II-Linnaeus classified organisms into prokarytes and eukaryotes. A) Statement I is correct butStatement II is wrong. B) Statement I is wrong butStatement II is correct. C) Both statements are correct. D) Both statements are wrong. Show Answer Correct Answer: A) Statement I is correct butStatement II is wrong. 37. Extremophiles are characteristic of which of the following groups? A) Eubacteria. B) Arthropods. C) Archaebacteria. D) Chordata. Show Answer Correct Answer: C) Archaebacteria. 38. Cladograms are constructed by grouping organisms together based on their ..... characteristics. A) Similar. B) Opposite. C) Different. D) Shared. Show Answer Correct Answer: D) Shared. 39. Which classification system uses two names for each species? A) Binomial nomenclature. B) Taxonomic hierarchy. C) Species classification. D) Trinomial nomenclature. Show Answer Correct Answer: A) Binomial nomenclature. 40. Select the pair that consists of plant or animal bacterial diseases. A) Cholera and typhoid. B) Citrus canker and crown gall. C) Malaria and dengue. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 41. Dikaryon formation is characteristic of ..... A) Ascomycetes and basidiomycetes. B) Phycomycetes and basidiomycetes. C) Phycomycetes and dueteromycetes. D) Ascomycetes and phycomycetes. Show Answer Correct Answer: A) Ascomycetes and basidiomycetes. 42. Viruses have an overall structure that is A) Spherical, helical. B) Spherical, isometric, icosahedron, helical. C) Spherical, isometric. D) Isometric, icosahedron. Show Answer Correct Answer: B) Spherical, isometric, icosahedron, helical. 43. In binomial nomenclature, what does the first part of the name represent? A) The genus. B) The order. C) The species. D) The family. Show Answer Correct Answer: A) The genus. 44. Nuclear membrane is absent in A) Nostoc. B) Volvox. C) Agaricus. D) Penicillium. Show Answer Correct Answer: A) Nostoc. 45. Which of the following is correct about viroids? A) They have DNA with protein coat. B) They have free DNA without protein coat. C) They have RNA with protein coat. D) They have free RNA without protein coat. Show Answer Correct Answer: D) They have free RNA without protein coat. 46. Haplontic life cycle is reported in which protists A) Diatoms. B) Euglena. C) More than one. D) Dinoflagellates. Show Answer Correct Answer: D) Dinoflagellates. 47. What is the scientific name of an organism made up of? A) The domain and kingdom names. B) The genus and species names. C) The family and genus names. D) The species name only. Show Answer Correct Answer: B) The genus and species names. 48. Which kingdom do humans belong to? A) Protista. B) Fungi. C) Animalia. D) Plantae. Show Answer Correct Answer: C) Animalia. 49. The natural system of classification was given by A) Carolus lenius and Aristotle. B) George Bentham and Joseph Hooker. C) Engler and Prantl. D) Boveri and Sutton. Show Answer Correct Answer: B) George Bentham and Joseph Hooker. 50. A virus can be classified by its type of A) Carbohydrates. B) Nucleic acid. C) Chromosomes. D) Mitochondria. Show Answer Correct Answer: B) Nucleic acid. 51. What can an Autotrophic organism due that a heterotrophic organism can NOT? A) They're the same. B) Make their own food. C) Reproduce through binary fission. D) Have a nuclues. Show Answer Correct Answer: B) Make their own food. 52. This domain includes prokaryotes that live in extreme environments. A) Bacteria. B) Prokarya. C) Eukarya. D) Archaea. Show Answer Correct Answer: D) Archaea. 53. Which one of the following statements aboutviruses is correct? A) Viruses are readily killed by antibiotics. B) Viruses contain either DNA or RNA. C) Viruses are facultative parasites. D) Viruses possess their own metabolicsystem. Show Answer Correct Answer: B) Viruses contain either DNA or RNA. 54. A heterotrophic eukaryote that absorbs nutrients from organic materials in the environment is a A) Bacterium. B) Herbivore. C) Animal. D) Fungus. Show Answer Correct Answer: D) Fungus. 55. Which kingdom includes organisms that are unicellular and eukaryotic with a well-defined nucleus? A) Monera. B) Fungi. C) Plantae. D) Protista. Show Answer Correct Answer: D) Protista. 56. Gram negative cells stain pink because A) They have specialised lipids in their cell walls. B) Their peptidoglycan layer is thin. C) Their peptidoglycan layer is thin. D) They are receptive to antibiotics. Show Answer Correct Answer: B) Their peptidoglycan layer is thin. 57. What is the first kingdom mentioned in the classification? A) Kingdom Fungi. B) Kingdom Plantae. C) Kingdom Monera. D) Kingdom Animalia. Show Answer Correct Answer: C) Kingdom Monera. 58. NEET PHASE 1-Which one of the following statements is wrong A) Cyanobacteria are also called blue green algae. B) Golden algae are also called Desmids. C) Eubacteria are also called false bacteria. D) Phycomycetes are also called algal fungi. Show Answer Correct Answer: C) Eubacteria are also called false bacteria. 59. These fungi asexually reproduce by conidia formation and sexual reproduction is absent in there life cycle. A) Alternaria. B) Colletotrichum. C) Trichoderma. D) All. Show Answer Correct Answer: D) All. 60. Read the following four statements (A-D) carefully:-(A) Mycoplasma can not survive without oxygen(B) Mycoplasma are the smallest living cells known.(C) Bacteria completely lack a cell wall(D) Bacteria reproduce mainly by fissionHow many of the above statements are correct? A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: C) 2. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 2 Biological Classification Quiz 1Class 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books