Tiêu đề 2.BIOLOGICAL CLASSIFICATION.pdf ✅

CHAPTER 2 BIOLOGICAL CLASSIFICATION Exercise 1: NCERT Based Topic-wise MCQs 2.0 INTRODUCTION 1. Which of the following characteristic(s) is/are used by Whittaker for the classification of organisms? (a) Mode of nutrition NCERT Page-17 / N-11 (b) Thallus organisation (c) Phylogenetic relationships (d) All of the above 2. Which scientist classified plants into trees, shrubs and herbs and animals into two groups based on absence or presence red blood cells? NCERT Page-16 / N-10 (a) Aristotle (b) R. H. Whittaker (c) D. J. Ivanowsky (d) W. M. Stanley NCERT ⟨ Page-17 / N-11 3. Given the basis of inputs given, one can put the given organism, in which of the following kingdom? (as per understandings of Linnaeus) NCERT Page-22 / N-16 (A) Cell type-Eukaryotic (B) Cell wall-Present (without cellulose) (C) Nuclear membrane-Present (D) Body organisation-Multicellular/loose tissue (E) Mode of nutrition-Heterotrophic (Saprophytic/ Parasitic) (a) Plantae (b) Fungi (c) Animalia (d) Protista 4. In Whittaker's five kingdom system of classification, eukaryotes are distributed among (a) two kingdoms NCERT Page-17/N-11 (b) three kingdoms (c) four kingdoms (d) all the five kingdoms 2.1 KINGDOM MONERA 5. Organisms of which of the following kingdom do not have nuclear membrane?NCERT Page-17/N- 12 (a) Protista (b) Fungi (c) Monera (d) Plantae 6. Which of the following is the smallest living cell and can live without oxygen? (a) Mycoplasma NCERT Page-20/N-14 (b) Mycorrhiza (c) Euglena (d) Trypanosoma 7. The bacteria which oxidize various inorganic substances and use the released energy for the synthesis of food are called NCERT Page-19 / N-13 (a) Archaebacteria (b) Heterotrophic bacteria (c) Photosynthetic autotrophic bacteria (d) Chemosynthetic autotrophic bacteria 8. Which of the following statements is not correct for methanogens? NCERT Page-19 / N-13 (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. 9. Which of the following statement(s) is correct for both blue-green algae and bacteria? (a) Both show anaerobic respiration. NCERT Page-19 / N-13 (b) Both have chlorophyll pigment. (c) Both are devoid of true nucleus. (d) None of the above 10. Which of the following statement(s) is/ are correct for bacteria?NCERT Page-18, 19 / N-12, 13 (a) They are the members of the kingdom monera. (b) They live in extreme habitats such as hot springs, deserts, snow and deep oceans. (c) They show the most extensive metabolic diversity. (d) All of the above 11. Which of the following statements regarding cyanobacteria is incorrect?NCERT Page-18, 19/N- 13 (a) It is also called blue green algae. (b) They are chemosynthetic autotrophs. (c) It forms blooms in polluted water bodies. (d) It is unicellular, colonial or filamentous, marine or terrestrial bacteria. 12. Which of the following component enables archaebacteria to survive in extreme conditions? (a) Cell wall NCERT Page-19/ N-13 (b) Cell membrane (c) Membrane proteins (d) Ion exchange pumps 13. The vast majority of bacteria are: NCERT Page-19/ N-13 (a) Photosynthetic Autotrophs (b) Chemosynthetic Autotrophs (c) Heterotrophs (d) both a and b 14. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are categorised as (a) cyanobacteria (b) archaebacteria (c) chemosynthetic autotrophs (d) heterotrophic bacteria 15. Food can be kept for a longer time in cold house than in normal conditions because (a) insect cannot enter. (b) bacterial multiplication stops. (c) bacterial multiplication is reduced. (d) there is plasmolysis at low temperature. 16. Bacteria are found to be primitive organisms because they NCERT Page-18 / N-12 (a) are small, microscopic which are not seen with naked eye. (b) cause serious diseases to human being, domestic animals and crop plants. (c) produce endospores which are very resistant to adverse conditions. (d) possess incipient nucleus and show amitotic division. 17. Choose the correct names of the different bacteria given below according to their shapes (a) A-Cocci, B - Bacilli, C - Spirilla, D – Vibrio NCERT: Page-18 / N-12 (b) A - Bacilli, B - Cocci, C - Spirilla, D - Vibrio (c) A - Spirilla, B - Bacilli, C - Cocci, D - Vibrio (d) A - Spirilla, B - Vibrio, C - Cocci, D - Bacilli 18. In five-kingdom classification system, the kingdom that includes the blue-green algae, nitrogen-fixing bacteria and methanogenic archaebacteria is (a) Plantae (c) Protista (b) Fungi (d) Monera 19. _____ is the most common method of reproduction in bacteria. (a) Binary fission (c) Conjugation
(b) Endospore formation (d) Sexual reproduction 20. Which of the following statements is incorrect? a) Bacteria are helpful in making curd. b) Mumps is a disease caused by bacteria. c) N2-fixing bacteria pick up free N2 from soil atmosphere and convert it into nitrogenous compounds. d) Archaebacteria differ from other bacteria in having a different cell wall structure and this feature is responsible for their survival in extreme conditions. 2.2 KINGDOM PROTISTA 21. Which of the following processes are involved in the reproduction of protists? (a) Binary fission and budding NCERT Page-20, 21, 22 / N-14, 15, 16 (b) Cell fusion and zygote formation (c) Spore formation and cyst formation (d) All of the above 22. Which of the following pairs come under the group chrysophytes? NCERT Page-20 / N-14 (a) Diatoms and Euglena (b) Euglena and Trypanosoma (c) Diatoms and Desmids (d) Gonyaulax and Desmids 23. Which of the following is an example of amoeboid protozoans? NCERT Page-21/N-15 (a) Trypanosoma (c) Gonyaulax (b) Paramecium (d) Entamoeba 24. Which of the following groups of protozoan is not correctly matched with its feature? (a) Amoeboid- Marine forms have silica shells on their surface.NCERT Page-21/N-15, 16 (b) Flagellated - Either free living or parasitic (c) Ciliated- Actively moving organisms due to presence of cilia. (d) Sporozoans - Move and capture their prey with the help of false feet. 25. Identify the figures A, B and C given below. NCERT Page-21/ N-15 A B C (a) A-Euglena, B-Paramecium, C-Agaricus (b) A-Euglena, B-Planaria, C-Agaricus (c) A-Planaria, B-Paramecium, C-Agaricus (d) A-Euglena, B-Paramecium, C-Aspergillus 2.3 KINGDOM FUNGI 26. Which of the following is a parasitic fungi on the mustard plant? NCERT Page-23 (a) Albugo (b) Puccinia (c) Yeast (d) Ustilago 27. Which of the following is used extensively in biochemical and genetic work?NCERT Page-24 / N-18 (a) Agaricus (b) Alternaria (c) Neurospora (d) Mucor 28. Which of the following is/are example(s) of deuteromycetes? NCERT Page-24 / N-18 (a) Alternaria (b) Colletotrichum (c) Trichoderma (d) All of these
29. Which group of fungi is commonly known as imperfect fungi? NCERT Page-24 / N-18 (a) Phycomycetes (b) Ascomycetes (c) Basidiomycetes (d) Deuteromycetes 30. Dikaryon formation is the characteristic feature of NCERT Page-23 / N-17 (a) ascomycetes and basidiomycetes. (b) phycomycetes and basidiomycetes. (c) ascomycetes and phycomycetes. (d) phycomycetes and zygomycetes. 31. Conidia are produced by NCERT Page-24 / N-18 (a) basidiomycetes (b) ascomycetes (c) saccharomycetes (d) deuteromycetes 32. Plasmogamy is the fusion of NCERT Page-23/N-17 (a) two haploid cells including their nuclei. (b) two haploid cells without nuclear fusion. (c) sperm and egg. (d) sperm and two polar nuclei. 33. Fungi are filamentous with the exception of " X " which is unicellular. Identify X. (a) Yeast NCERT Page-22 / N-17 (b) Albugo (c) Mucor (d) Lichen 34. Yeast is not included in protozoans but are placed fungi because NCERT Page-22 / N-17 (a) it has no chlorophyll. (b) yeast reproduce by fungal methods (c) it has eukaryotic organization. (d) cell wall is made up of cellulose and reserve food material is starch. 35. Select the correct match from the given option. NCERT Page-22, 23, 24 / N-17, 18 (a) Occurrence of dikaryotic stage - ascomycetes and basidiomycetes. (b) Saprophytes - They are autotrophic and absorb soluble organic matter from dead substrates. (c) Vegetative mean of reproduction in fungi fragmentation, budding and sporangiophores, (d) Steps involved in asexual cycle of fungl plasmogamy, karyogamy and meiosis in zygote resulting in haploid spores. 36. When a moist bread is kept exposed in air, it becomes mouldy and black because (a) spores are present in the water. (b) spores are present in the bread. (c) spores are present in the air. (d) the bread decomposes. 37. Ustilago causes plant disease known as NCERT Page-24 / N-18 (a) rust (b) Bovine spongiform encephalopathy (c) Cr-Jacob disease (d) Black smut 38. A fungus contains cells with two nuclei from different genomes. The nuclei do not fuse but divide independently and simultaneously as new cells are formed. This fungus belongs to (a) phycomycetes NCERT Page-24 / N-18 (b) zygomycetes (c) deuteromycetes (d) basidiomycetes 39. Which of the following organisms islare correctly assigned its/their taxonomic group?NCERT -22/N- 17 (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 alga and a protozoan. (c) Yeast used in making bread and beer is a fungus. (d) Nostoc and Anabaena are examples of protista. 40. Fungi show asexual reproduction by all of the following kinds of spores except: NCERT Page- 23/N-17, 18