This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 2 Biological Classification – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 2 Biological Classification Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Slime moulds form ..... under favourable conditions A) Pellicle. B) Mycelium. C) Plasmodium. D) Fruting bodies. Show Answer Correct Answer: C) Plasmodium. 2. Which kingdom includes organisms like mushrooms and yeasts? A) Plantae. B) Fungi. C) Protista. D) Animalia. Show Answer Correct Answer: B) Fungi. 3. Which of the following would appear as the pioneer organisms on bare rocks? A) Green algae. B) Liverworts. C) Mosses. D) Lichens. Show Answer Correct Answer: D) Lichens. 4. The mode of nutrition found in most Protozoa is A) Heterotrophic. B) Autotrophic. C) Chemotrophic. D) Photosynthetic. Show Answer Correct Answer: A) Heterotrophic. 5. Read the following statements and select the correct option.Statement 1:Euglena can be considered as a plant due to the presence of chlorophyll.Statement 2:Euglena cannot be classified on the basis of two kingdom system of classification A) Both statements 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: A) Both statements 1 and 2 are correct. 6. Which of these is an autotroph? A) Mushroom. B) Tiger. C) Rose. D) Seal. Show Answer Correct Answer: C) Rose. 7. Find the incorrect match A) Dinoflagellates-produces toxin that results in paraytic shell fish poisining. B) Diatoms-stiff cellulosic plates. C) Diatoms-Cheif producers in ocean. D) Dinoflagellates-mostly marine. Show Answer Correct Answer: B) Diatoms-stiff cellulosic plates. 8. Which of the following is used extensively in biochemical and genetical work? A) Agaricus. B) Alternaria. C) Neurospora. D) Mucor. Show Answer Correct Answer: C) Neurospora. 9. Whittaker uses which of the following characteristics for organism classification? A) Mode of nutrition. B) Thallus organisation. C) Phylogenetic relationships. D) (d) All of the above. Show Answer Correct Answer: D) (d) All of the above. 10. A scientific name consists of A) Genus and Order. B) Genus and Domain. C) Genus and Species. D) Kingdom and Phylum. Show Answer Correct Answer: C) Genus and Species. 11. ..... are small naked fragments of RNA that infect plant cells. A) Prions. B) Nucleons. C) Viroids. D) Prophages. Show Answer Correct Answer: C) Viroids. 12. Protista form a link with- A) Plants only. B) Animals only. C) Fungi only. D) Plants, animals and fungi. Show Answer Correct Answer: D) Plants, animals and fungi. 13. The saprophytic protists, during favourable conditions they aggregate are called ..... A) Entamoeba. B) Trypanosoma. C) Plasmodium. D) Paramecium. Show Answer Correct Answer: C) Plasmodium. 14. The correct way to write the scientific name for a red maple tree is ..... A) Red maple. B) ACER RUBRUM. C) Acer rubrum. D) Acer rubrum. Show Answer Correct Answer: C) Acer rubrum. 15. Which of the following kingdoms includes autotrophic and heterotrophic organisms? A) Monera. B) Protista. C) Fungi. D) Both a and b. Show Answer Correct Answer: D) Both a and b. 16. Which is not correct about methanogens? A) They are archaebacteria. B) They live in marshy areas. C) Methane is their preferred carbon source. D) They are present in guts of several ruminant animals (cow, buffaloes) and they produce biogas (CH$_{4}$) from the dung of these animals. Show Answer Correct Answer: C) Methane is their preferred carbon source. 17. Who showed the crystallisation of viruses A) M.W.Beijerinek. B) Diener. C) W.M.Stanley(1935). D) Dimitri Ivanowsky(1892). Show Answer Correct Answer: C) W.M.Stanley(1935). 18. Production of zoospores is the characteristics of the members of A) Deuteromycetes. B) Phycomycetes. C) Ascomycetes. D) Basiomycetes. Show Answer Correct Answer: B) Phycomycetes. 19. Which domain consists of organisms found in common places? A) A archaea. B) B bacteria. C) C eukarya or eukaryota. D) None of the above. Show Answer Correct Answer: B) B bacteria. 20. Organisms that are classified as autotrophic are able to- A) Move. B) Reproduce. C) Be seen with the human eye. D) Make their own food. Show Answer Correct Answer: D) Make their own food. 21. Members of Phycomycetes are found in i) aquatic habitatsii) on decaying woodiii) moist and damp placesiv) as obligate parasites on plants.Choose from the following options. A) None of the above. B) (i) and (iv). C) (ii) and (iii). D) All of the above. Show Answer Correct Answer: D) All of the above. 22. Biological classification is also known as ..... A) Taxonomy. B) Science. C) Living stuff in categories. D) None of the above. Show Answer Correct Answer: A) Taxonomy. 23. What is incorrect wrt to Dinoflagellates? A) Have two flagella. B) Gonyaulax is responsible for red tide. C) Noctiluca and Gonyaulax are bioluminescent. D) They are heterotrophic. Show Answer Correct Answer: D) They are heterotrophic. 24. Creatures that looked like glowing, six-legged cats were put into which Family? A) Chordata. B) Felidae-7. C) Mammalia. D) Siderocat. Show Answer Correct Answer: B) Felidae-7. 25. A common feature between Virions and Entameoba is A) Non-cellular structure. B) Contractile vacuole. C) Ectoparasite. D) Endoparasite. Show Answer Correct Answer: D) Endoparasite. 26. WHO PROPOSED TWO KINGDOM CLASSIFICATION A) HUXLEY. B) ARISTOTLE. C) LINNAEUS. D) WHITTAKER. Show Answer Correct Answer: C) LINNAEUS. 27. :Which of the following are the most appropriate environmental indicators of SO2 pollution? A) Lichens. B) Fungi. C) Algae. D) Conifers. Show Answer Correct Answer: A) Lichens. 28. Where are bacteria found A) In very few places. B) Only in the air. C) All over the place. D) Only in cow intestines. Show Answer Correct Answer: C) All over the place. 29. Bovine spongiformencephalopathy (BSE) commonly called mad cow disease in cattle is caused by A) Virus. B) Viroid. C) Virions. D) Prions. Show Answer Correct Answer: D) Prions. 30. The study of zoology is the study of ..... A) Animals. B) Plants. C) All the above. D) None of the above. Show Answer Correct Answer: A) Animals. 31. Statement I-Plasmodium (malarial parasite) which causes malaria belongs to class sporozoa of Protozoa.Statement II-Class sporozoa is characterized by presence of infectious spore like stage in life cycle and presence of cilia as locomotory structure. A) Both statements are incorrect. B) Both statements are correct. C) Only statement I is correct. D) Only statement II is correct. Show Answer Correct Answer: C) Only statement I is correct. 32. Which of the following is not a fungal disease? A) Red rust of tea. B) White rust of crucifers. C) Black rust of wheat. D) Red rot of sugarcane. Show Answer Correct Answer: A) Red rust of tea. 33. Who established the system of binomial nomenclature in the 18th century? A) Charles Darwin. B) Gregor Mendel. C) Carl Linnaeus. D) Alfred Russel Wallace. Show Answer Correct Answer: C) Carl Linnaeus. 34. A prokaryofic autotrophic nitrogen fixing symbiont is found in ..... A) Cycas. B) Cicer. C) Pisum. D) All the above. Show Answer Correct Answer: A) Cycas. 35. Which of the following sets of animals would be the most closely related? A) Animals in the same genus. B) Animals in the same class. C) Animals in the same order. D) Animals in the same family. Show Answer Correct Answer: A) Animals in the same genus. 36. The group of organisms oxidising various inorganic substances such as nitrates, nitrites and ammonia using the released energy for their ATP production are- A) Saprophytic bacteria. B) Photoautotrophic bacteria. C) Chemoheterotrophic bacteria. D) Chemosynthetic autotrophic bacteria. Show Answer Correct Answer: D) Chemosynthetic autotrophic bacteria. 37. Transfer of genetic information from one bacterium to another in the transduction process is through ..... A) Physical contact between donor and recipient strains. B) Conjugation between opposite strain bacterium. C) Bacteriophages released from the donor bacterial strain. D) Another bacterium having special organ for conjugation. Show Answer Correct Answer: C) Bacteriophages released from the donor bacterial strain. 38. Which kingdom includes a diverse group of mostly single-celled organisms? A) Fungi. B) Protista. C) Animalia. D) Plantae. Show Answer Correct Answer: B) Protista. 39. Protista includes- A) B.G.A. B) Unicellular eukaryotes. C) Unicellular prokaryotes. D) Bacteriophages. Show Answer Correct Answer: B) Unicellular eukaryotes. 40. Cell wall of a prokaryotic cell is made up of A) Cellulose. B) Protein. C) Lignin. D) Murein. Show Answer Correct Answer: D) Murein. 41. Difference between a red sea and red tide is A) Red tide takes place in red sea. B) Associated with a cyanobacteria and protist respectively. C) One is by virus and other by bacteria. D) Associated with Rhodophyceae and diatoms respectively. Show Answer Correct Answer: B) Associated with a cyanobacteria and protist respectively. 42. Carl Linnaeus began giving each plant a Greek name based on one of its prominent features. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 43. Which of the following is the unique characteristic of organisms in Kingdom Protista?i. Eukaryoticii. All of them are heterotrophsiii. Can only reproduce sexuallyiv. Can be found in dry place A) I only. B) Ii and iii only. C) I, ii and iii only. D) All of the above. Show Answer Correct Answer: A) I only. 44. Aristotle used simple ..... characters to classify plants A) Morphological. B) Anatomical. C) Physiological. D) None of the above. Show Answer Correct Answer: A) Morphological. 45. Which of the following features that acts as an important fungal identification and classification in Basidiomycota? A) Mycelium. B) Hyphae. C) Sexual spores. D) Cell wall. Show Answer Correct Answer: C) Sexual spores. 46. Which group is known as "connecting link" between prokaryotes and eukaryotes? A) Virus. B) Cyanobacteria. C) Fungi. D) Protista. Show Answer Correct Answer: D) Protista. 47. Which of the following kingdom members are thought to be responsible for the endosymbiont origin of semi-autonomous organelles in eukaryotes? A) Monera. B) Animalia. C) Fungi. D) Plantae. Show Answer Correct Answer: A) Monera. 48. The common feature between sexual spore of zygomycetes and fertilization product of humans is A) Flagellated. B) Ploidy. C) Pear shaped. D) Mucilaginous covering. Show Answer Correct Answer: B) Ploidy. 49. Which of the following statements are correct-I ) Mycoplasma have no cell wall & but have fix shaped II) Mycoplasma iss the smallest living organism III) mycoplasma cannot survive without oxygen IV ) mycoplasma are pathogenic in plants only A) I & II. B) II ONLY. C) I, II & IV. D) I, II & III. Show Answer Correct Answer: B) II ONLY. 50. (Domain) Which domain(s) include only prokaryotic cells? (without nucleus) A) Bacteria & Archea. B) Bacteria. C) Archaea & Eukarya. D) Eukarya & Bacteria. Show Answer Correct Answer: A) Bacteria & Archea. 51. Which of the following is a characteristic of the Plantae kingdom? A) Lack of chlorophyll. B) Single-celled. C) Mobile. D) Photosynthetic. Show Answer Correct Answer: D) Photosynthetic. 52. The ..... control what enters and leaves the cell. A) Cell membrane. B) Cell wall. C) Nucleus. D) Cytoplasm. Show Answer Correct Answer: A) Cell membrane. 53. All protists are ..... A) Multicellular. B) Prokaryotic. C) Eukaryotic. D) Unicellular. Show Answer Correct Answer: C) Eukaryotic. 54. What is the primary purpose of a taxonomic key? A) To provide financial advice to taxpayers. B) To identify and classify organisms. C) To increase tax revenue for the government. D) To simplify the tax filing process. Show Answer Correct Answer: B) To identify and classify organisms. 55. No virus can evolve to target mammalian red blood cells because of the: A) Small size with a biconcave shape. B) High concentration of oxygen. C) Lack of aerobic pathway to generate ATP. D) Lack of nuclear material. Show Answer Correct Answer: D) Lack of nuclear material. 56. Dinoflagellates are mostly A) Marine and saprophytic. B) Freshwater and photosynthetic. C) Marine and photosynthetic. D) Terrestrial and photosynthetic. Show Answer Correct Answer: C) Marine and photosynthetic. 57. Diatoms, the primary producers in the oceans, are members of this category. A) Euglenoids. B) Dinoflagellates. C) Chrysophytes. D) Slime moulds. Show Answer Correct Answer: C) Chrysophytes. 58. Assertion:-Classification systems haveundergone several changes over a period of timeReason:-This happened, because the criteria forclassifications get changed gradually. A) If both Assertion & Reason are True and the Reason is a correct explanation of the Assertion. B) If both Assertion & Reason are True but the Reason is not a correct explanation of the Assertion. C) If Assertion is True but the Reason is false. D) If both Assertion & Reason are false. Show Answer Correct Answer: A) If both Assertion & Reason are True and the Reason is a correct explanation of the Assertion. 59. Which of the following is not a kingdom according to Four Kingdom classification? A) Fungi. B) Animalia. C) Plantae. D) Protista. Show Answer Correct Answer: A) Fungi. 60. Methanogens are, A) Chemoautotrophs. B) Obligate aerobes. C) Adopted to high temperature. D) Symbiotic with human. Show Answer Correct Answer: A) Chemoautotrophs. Next →Related QuizzesScience QuizzesClass 11 QuizzesClass 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books