Biological Classification Class 11 MCQ is one of the best strategies to prepare for the CBSE Class 11 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQ on Biological Classification Class 11, which will help them all through their board test.
Biological Classification Class 11 MCQ Questions with Answers
Class 11 Biology MCQ with answers are given here to chapter 2 Biological Classification. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 BIology syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.
Learn Class 11 Biological Classification MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Biology Biological Classification MCQ with answers given below
Question 1. Pick up the wrong statement.
(a) Some fungi are edible.
(b) Nuclear membrane is present in Monera.
(c) Cell wall is absent in Animalia.
(d) Protists have photosynthetic and heterotrophic modes of nutrition.
Question 2. Basophilic prokaryotes
(a) grow and multiply in very deep marine sediments
(b) occur in water containing high concentrations of barium hydroxide
(c) readily grow and divide in sea water enriched in any soluble salt of barium
(d) grow slowly in highly alkaline frozen lakes at high altitudes.
Question 3. Five kingdom system of classification suggested by R.H. Whittaker is not based on
(a) presence or absence of a well defined nucleus
(b) mode of reproduction
(c) mode of nutrition
(d) complexity of body organisation.
Question 4. DNA replication in bacteria occurs
(a) within nucleolus
(b) prior to fission
(c) just before transcription
(d) during S phase.
Question 5. In five kingdom system, the main basis of classification is
(a) structure of nucleus
(b) mode of nutrition
(c) structure of cell wall
(d) asexual reproduction.
Question 6. Which one of the following statements about mycoplasma is wrong?
(a) They are pleomorphic.
(b) They are sensitive to penicillin.
(c) They cause diseases in plants.
(d) They are also called PPLO.
Question 7. Which fungal disease spreads by seed and flowers?
(a) Loose smut of wheat
(b) Corn smut
(c) Covered smut of barley
(d) Soft rot of potato
Question 8. Select the wrong statement.
(a) The walls of diatoms are easily destructible.
(b) ‘Diatomaceous earth’ is formed by the cell walls of diatoms.
(c) Diatoms are chief producers in the oceans.
(d) Diatoms are microscopic and float passively in water.
Question 9. Azotobacter and Bacillus polymyxa are the examples of
(a) pathogenic bacteria
(c) symbiotic N2 fixer
(d) non-symbiotic N2 fixer.
Question 10. Seeding ponds with Gambusia fish is an example of:
(d) Both (a) and (b)
Question 11. Archaebacteria differ from eubacteria in
(a) cell membrane structure
(b) mode of nutrition
(c) cell shape
(d) mode of reproduction.
Question 12. Infective stage of Entamoeba histolytica is:
(b) Tetranucleate cyst
(c) Uninucleate cyst
Question 13. Four kingdom system of classification was proposed by:
(d) Oswald Tippo
Question 14. Which of the following there is no mention in Whittaker’s classification?
(d) All of these
Question 15. Passive food ingestion in Amoeba is known as
Question 16. Biochemical resemblances are used in the identification of:
(a) Protistan species
(b) Moneran species
(c) Fungal species
(d) Higher plants
Question 17. Euglena stores food as:
Question 18. Which of the following can be used as bacteriological filter?
Question 19. Which characteristic placed the fungi in a separate kingdom?
(a) Cell wall composition
(b) Cell wall structure
(d) Nuclear membrane
Question 20. Currently bacteria are included in:
Question 21. An obligate anaerobe is:
(b) Methane bacteria
Question 22. Old name of Blue green algae:
(c) Spectrum algae
(d) None of these
Question 23. New name of Blue green algae:
(d) None of these
Question 24. Peptidoglycan / Murein is present in the cell wall of
Question 25. Match the following
(a) Peritrichous 1. One flagella at one end
(b) Monotrichous 2. Tuft of flagella at one end
(c) Amphitrichous 3. Two flagella at one end
(d) Lopptrichous 4. Present on entrire surface
(a) A-4 B-2 C-3 D-1
(b) A-4 B-3 C-2 D-1
(c) A-4 B-1 C-3 D-2
(d) A-4 B-2 C-1 D-3
Question 26. What is not connected with reproduction of protozoans?
Question 27. Which of the following is aerobic in nature?
(d) None of these
Question 28. Which of the pigment present in cyanobacteria?
(a) Chlorophyll ‘a’
(b) Chlorophyll ‘b’
(c) Chlorophyll ‘c’
Question 29. Who is the Joker of plant kingdom?
Question 30. Colonies of Eubacteria is surrounded by
(a) Polysaccharide sheath
(b) Gelatinous sheath
(c) Mucous sheath
(d) None of these
Question 31. Which of these is a bacterial disease?
(c) Citrus canker
(d) Both (a) & (c)
Question 32. Which type of plasmid contains Antibiotic resistance gene?
(a) “R”- factor
(b) “S”- factor
(c) “G” – factor
(d) “r” – factor
Whoever needs to take the CBSE Class 11 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 11 Biology Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Biological Classification Class 11 MCQ are ready by the subject specialists themselves.
Question 33. Mycoplasma is:
(a) Insensitive to penicillin, sensitive to tetracycline
(b) Insensitive to tetracycline, sensitive to penicillin
(c) Sensitive to both penicillin & tetracycline
(d) None of these
Question 34. Plasmids was given by
Question 35. Which one of the following is wrong for fungi?
(a) They are eukaryotic.
(b) All fungi possess a purely cellulosic cell wall.
(c) They are heterotrophic.
(d) They are both unicellular and multicellular.
Question 36. Puccinia forms uredia and
(a) telia on wheat leaves
(b) aecia on barberry leaves
(c) pycnia on barberry leaves
(d) aecia on wheat leaves.
Question 37. Match the following
(a) Conjugation 1. Lederberg & Tatum
(b) Transformation 2. Zinder & Lederberg
(c) Transduction 3. Fredrick Griffith
(a) A-1 B-3 C-2
(b) A-3 B-1 C-2
(c) A-2 B-3 C-1
(d) A-2 B-1 C-3
Question 38. Difference in Gram positive and Gram negative bacteria is due to
(a) cell wall
(b) cell membrane
Question 39. Bacteria lack alternation of generation because there is
(a) neither syngamy nor reduction division
(b) distinct chromosomes are absent
(c) no conjugation
(d) no exchange of genetic material.
Question 40. Which of the following statements is incorrect?
(a) Prions consist of abnormally folded proteins.
(b) Viroids lack a protein coat.
(c) Viruses are obligate parasites.
(d) Infective constituent in viruses is the protein coat.
Question 41. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as
(c) chemosynthetic autotrophs
(d) heterotrophic bacteria.
Question 42. The main role of bacteria in the carbon cycle involves
(b) digestion or breakdown of organic compounds
(d) assimilation of nitrogenous compounds.
Question 43. Which of the following shows coiled RNA strand and capsomeres?
(a) Polio virus
(b) Tobacco mosaic virus
(c) Measles virus
Question 44. Many blue-green algae occur in thermal springs (hot-water springs). The temperature tolerance of these algae have been attributed to their
(a) mitochondrial structure
(b) importance of homopolar bonds in their proteins
(c) cell wall structure
(d) modern cell organization.
Question 45. Cell wall is absent in
Question 46. Which of the following is a fungus?
(b) E. coli
Question 47. Bacterial leaf blight of rice is caused by a species
Question 48. Transduction in bacteria is mediated by
(a) plasmid vectors
(b) phage vectors
Question 49. Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?
(a) Paramecium and Plasmodium belong to the same kingdom as that of Penicillium.
(b) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan.
(c) Yeast used in making bread and beer is a fungus.
(d) Nostoc and Anabaena are examples of protista.
Question 50. Which of the following organisms possesses characteristics of a plant and an animal?
Question 51. There exists a close association between the alga and the fungus within a lichen. The fungus
(a) provides protection, anchorage and absorption for the algae
(b) provides food for the alga
(c) fixes the atmospheric nitrogen for the alga
(d) releases oxygen for the alga.
Question 52. Plasmodium, the malarial parasite, belongs to class
Question 53. In which group of organisms the cell walls form two thin overlapping shells which fit together?
(b) Slime moulds
Question 54. One of the major components of cell wall of most fungi is
Question 55. Which of the following organisms are known as chief producers in the oceans?
Question 56. Auxospores and hormogonia are formed, respectively, by
(a) some diatoms and several cyanobacteria
(b) some cyanobacteria and many diatoms
(c) several cyanobacteria and several diatoms
(d) several diatoms and a few cyanobacteria.
Question 58. Which of the following is a cyanobacterium ?
(c) E. coli
Question 59. Which of the following statements is incorrect?
(a) Yeasts have filamentous bodies with long thread like hyphae.
(b) Morels and truffles are edible delicacies.
(c) Claviceps is a source of many alkaloids and LSD.
(d) Conidia are produced exogenously and ascospores endogenously.
Question 60. Lichens are well known combination of an alga and a fungus where fungus has
(a) a saprophytic relationship with the alga
(b) an epiphytic relationship with the alga
(c) a parasitic relationship with alga
(d) a symbiotic relationship with alga.
Question 61. Single-celled eukaryotes are included in
Question 62. Which one is the wrong pairing for the disease and its causal organism?
(a) Black rust of wheat-Puccinia graminis
(b) Loose smut of wheat-Ustilago nuda
(c) Root knot of vegetables-Meloidogyne sp.
(d) Late blight of potato-Alternaria solani
Question 63. Lichens indicate SO2 pollution because they
(a) show association between algae and fungi
(b) grow faster than others
(c) are sensitive to SO2
(d) flourish in SO2 rich environment.
Question 64. Which one of the following is true for fungi?
(a) They lack a rigid cell wall.
(b) They are heterotrophs.
(c) They lack nuclear membrane.
(d) They are phagotrophs.
Question 65. What is the genetic material in influenza virus?
(a) Double helical DNA
(c) Single helix DNA
(d) None of these
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Frequently Asked Question (FAQs)
How many MCQ questions are there in Class 11 chapter 2 BIology?
In Class 11 chapter 2 BIology, we have provided 65 Important MCQ Questions, But in the future, we will add more MCQs so that you can get good marks in the Class 11 exam.
Can we score good marks in Class 11 BIology with the help of Biological Classification MCQ Questions?
Yes, MCQ Question is one of the best strategies to make your preparation better for the CBSE Board Exam. It also helps to know the student’s basic understanding of each chapter. So, You can score good marks in the Class 11 BIology exam.