Title BIOLOGICAL CLASSIFICATION.pdf ✅

Biological Classification  Digital www.allendigital.in [ 91 ] HISTORY OF TAXONOMY 1. According to Whittaker, BGA are included in:- (1) Mycota (2) Protista (3) Plantae (4) Monera 2. Kingdom Monera comprises the :- (1) Plants of economic importance (2) All the plants studied in botany (3) Prokaryotic organisms (4) Plants of Thallophyta group 3. Whittaker is famous for :- (1) Two kingdom classification (2) Four kingdom classification (3) Five kingdom classification (4) Distinguishing in Bacteria & blue gree Algae 4. System of classification proposed by Linnaeus was:- (1) Artificial (2) Natural (3) Sexual (4) (1) and (3) both 5. The group "Plantae" proposed by Whittaker includes:- (1) Pteridophytes (2) Gymnosperms (3) Angiosperms (4) All the above 6. In Whittaker's five kingdom classification, eucaryotes were assigned to :- (1) All the five kingdom (2) Only four of the five kingdoms (3) Only three kingdom (4) Only one kingdom 7. Carolus Linnaeus classified plant kingdom on the basis of :- (1) Floral morphology (2) Overall morphology of plants (3) Type of sexual reproduction (4) Anatomical character 8. First plant classification was given by :– (1) Linnaeus (2) John–Ray (3) Aristotle (4) Darwin 9. "Systema Naturae" book was written by:- (1) Angler and Prantle (2) Darwin (3 ) Linnaeus (4) Oswald - Tippo 10. According to Whittaker kingdom protista includes:- (1) Prokaryotes (2) Unicellular eukaryotes (3) Slime molds & protozoa (4) Multicellular & eukaryotes KINGDOM – MONERA 11. Infoldings of plasma membrane in bacteria are called as :- (1) Episomes (2) Plasmid (3) Pili (4) Mesosomes 12. The organisms participating most actively in nitrogen cycle in nature are :- (1) Bacteria (2) Legumes (3) Parasitic algae (4) Fungi 13. Heterocyst is a structure which is associated with (1) Reproduction (2) Respiration (3) Nitrogen fixation (4) Locomotion 14. Trichodesmium erythraeum which imparts red colour to sea water of red sea is a : (1) Cyanobacterium (2) Red Algae (3) Diatom (4) Red Coral 15. Archaebacterial cell lacks :- (1) Peptidoglycan (2) DNA (3) Ribosomes (4) Branched Chain Lipids 16. Most common method of reproduction in prokaryotes :- (1) Budding (2) Binary fission (3) Transduction (4) Conjugation 17. Harmful activity of Blue green algae is:- (1) Denitrification (2) Water - bloom (3) Increase alkalinity of soil (4) Decrease fertility of soil 18. The function of mesosome in prokaryotes is:- (1) Aerobic respiration (2) Cell wall formation (3) Both (1) and (2) (4) N2 - fixation Exercise - I
NEET : Biology [ 92 ] www.allendigital.in  Digital 19. During rainy season ground surface become slippery due to:- (1) Fungi (2) Blue green algae (3) Bryophytes (4) Gymnosperm 20. Photosynthesis of Blue green algae is:- (1) Oxygenic (2) Non oxygenic (3) Both oxygenic and non oxygenic (4) None 21. Which of the following is the only group of organisms capable of using inorganic compounds as source of energy ? (1) Fungi (2) Chemo autotrophs (3) Both the above (4) None of the above 22. Link between prokaryotes and multicellular eukaryotes :– (1) Cyanobacteria (2) Protista (3) Fungi (4) Plants 23. Which structure of prokaryotes is analogous to lysosome ? (1) Mesosome (2) Genophore (3) Periplasmic space (4) Perinuclear space 24. Which of the following performs respiration with the help of plasma membrane ? (1) Bacteria (2) Algae (3) Fungi (4) All the above 25. Richest source of bacteria is : - (1) Air (2) Soil (3) Water (4) Milk 26. The most primitive monerans are :- (1) Archaebacteria (2) Eubacteria (3) Filamentous bacteria (4) Cyanobacteria 27. Organisms which obtain energy by the oxidation of reduced inorganic compounds are called (1) Photo autotrophs (2) Chemo autotrophs (3) Saprozoic (4) Heterotrophs 28. Which bacteria are utilized in Gobar gas plant? (1) Methanogens (2) Nitrifying bacteria (3) Ammonifying bacteria (4) Denitrifying bacteria 29. Plasmid are (1) Virus (2) New types of micro organism (3) Extra chromosomal genetic material of bacteria (4) Essential bacterial genetic materials 30. A free living aerobic bacteria capable of fixing nitrogen is (1) Azotobactor (2) Rhizobium (3) Clostridium botulinum (4) Streptomyces 31. Wine turns sour becasue of :- (1) Heat (2) Aerobic bacteria (3) Anaerobic bacteria (4) Exposure to the light 32. Which one of the following fixes CO2 in to carbohydrates ? (1) Rhizobium (2) E.coli (3) Bacillus (4) Rhodospirillum 33. Antibiotics are mostly obtained from :- (1) Bacteria (2) Viruses (3) Fungi (4) Angiosperm 34. The main difference between gram +ve and gram –ve resides in the composition of :- (1) Cilia (2) Cell-wall (3) Cell-membrane (4) Cytoplasm 35. Free living nitrogen-fixing bacteria are found in- (1) Air (2) Soil (3) Root nodules (4) None of above 36. Cell membrane of bacteria is made up of - (1) Cellulose and lipid (2) Chitin (3) Lipid + Protein (4) Protein and Cellulose
Biological Classification  Digital www.allendigital.in [ 93 ] 37. Which organism is most useful for soil fertility ? (1) Bryophyta (2) Fungi (3) Bacteria (4) Bacteriophage 38. Bacterial flagella are made of- (1) Carbohydrate (2) Lipid (3) Protein (4) Amide 39. The mode of the nutrition of bacteria is usually- (1) Photo autotrophic (2) Chemo autotrophic (3) Heterotrophic and autotrophic (4) None 40. Fertility of soil is increased by- (1) Nitrogen - fixing bacteria (2) Denitrifying bacteria (3) Plasmalemma (4) Cell membrane 41. Plant pathogenic bacteria are :- (1) Gram  (2) Gram Θ (3) Both (4) None 42. Souring of milk is due to - (1) Aerobic bacteria (2) Anaerobic bacteria (3) Both (4) None 43. At which place bacteria are not found (1) Soil (2) Ice (3) Sea (4) Distilled water 44. Halophile are____ (1) Those can live at low pH (2) Those can live at high salt concentration (3) Those can live at high pressure (4) Those can live at high light intensity 45. The cyanobacteria are also referred to as_? (1) Slime moulds (2) Blue green algae (3) Decomposer protist (4) Cell wall less prokaryote 46. Besides paddy fields, cyanobacteria are also found inside vegetative part of: (1) Psilotum (2) Pinus (3) Cycas (4) Equisetum 47. Cyanobacteria are____ (1) Chemosynthetic (2) Oxygenic photosynthetic (3) Anaerobic (4) Facultative anaerobic KINGDOM-PROTISTA 48. "Golden Algae" is the common name of Algae belonging to :- (1) Chrysophyta (2) Pyrrophyta (3) Euglenophyta (4) Cyanophyta 49. Armoured cell wall and biflagellated cells are characteristic of :- (1) Chrysophyta (2) Pyrrophyta (3) Euglenophyta (4) Cyanophyta 50. Oils and Leucosine are characteristic stored food in :- (1) Dinoflagellates (2) Euglenoids (3) Diatoms (4) None 51. Armoured algae are :- (1) Dinoflagellates (2) Euglenoids (3) Red algae (4) Cyanobacteria 52. The diatoms do not easily decay like most of the other Algae because:- (1) They have water proof cells (2) Their walls are mucilagenous (3) They have highly siliceous wall (4) They are non living 53. "Keiselgurh" a heat resistant material is obtained from :- (1) Red Algae (2) Brown Algae (3) Diatoms (4) Fungi 54. The diatomaceous earth is used to insulate boilers and steam pipes because:- (1) The wall of diatoms is deposited with calcium (2) The diatomaceous earth is cheap (3) It is a good conductor of heat (4) The wall of diatoms is made of silica 55. Shell of diatoms is made up of :– (1) Silica (2) Calcium carbonate (3) Keratin (4) Calcium oxalate
NEET : Biology [ 94 ] www.allendigital.in  Digital 56. "Diatomite" (Keiselgurh) is obtained from:– (1) Myxophyceae (2) Chrysophyta (3) Phaeophyceae (4) Rhodophyceae 57. Most characteristic feature of diatoms is :– (1) Pigments (2) Stored food (3) Cell wall (4) Non oxygenic photosynthesis 58. Taxonomically the most controversial group is– (1) Dinoflagellates (2) Diatoms (3) Euglenoids (4) Prokryote 59. Decomposer protists are :- (1) Diatoms (2) Dinoflagellates (3) Slime moulds (4) Euglenoid 60. The dead remains of diatoms are known as:- (1) Coenobium (2) Sporangia (3) Kieselgurh (4) Sporocarp 61. Taxonomists feel difficulty in classification of- (1) Procaryotes (2) Unicellular eucaryotes (3) Plants (4) Animals 62. Which of the following unicellular algae reproduce by auxospores, have silicified cell wall and store food in the form of fats, leucosine and chrysolaminarin ? (1) Diatoms (2) Red algae (3) Dinoflagellates (4) Euglenoids 63. Paramylum is stored food of :- (1) Dinoflagellate (2) Euglenoid (3) Diatom (4) Slime mould 64. The most efficient locomotion in protists is through :- (1) Pseudopodia (2) Flagella (3) Cilia (4) Tentacles 65. Organism of which kingdom feed like animals and perform photosynthesis like plants :- (1) Monera (2) Protista (3) Mycota (4) Animalia 66. "Fire algae" belongs to group :- (1) Pyrrophyta (2) Chrysophyta (3) Euglenophyta (4) Rhodophyta 67. Slime mould is known as naked fungi. (1) Cell membrane absent (2) Cell wall absent (3) Cell wall and cell membrane absent (4) Never naked 68. Dinoflagellates are called fire algae due to which character :- (1) They appear like fire due to pigments (2) They produce fire due to friction (3) They occur on burnt places (4) They show bioluminescence 69. Toxins (Saxitoxins) secreted by some dinoflagellates enter the body of human beings through food chain and result in :- (1) Madness (2) Paralysis (3) Syphilis (4) Plague 70. Stored food of Diatoms :- (1) Leucosin (2) Starch (3) Floridian starch (4) Glycogen 71. Dead remains of diatoms at sea bed are called:- (1) Keiselgurh (2) Peat (3) Coral reefs (4) Sporopollenin 72. Protists include : (1) Unicellular Eukaryotes (2) Prokaryotes (3) Multicellular eukaryotes (4) Multicellular prokaryotes 73. Which of the following eukaryotes are devoid of histone proteins ? (1) Golden algae (2) Euglenoids (3) Fire algae (4) Slime Mould 74. Diatoms perform which type of movement in water :- (1) Swimming (2) Amoeboid (3) Floating (4) Ciliary 75. Protist used for the construction of sound proof rooms, is - (1) Dinoflagellate (2) Diatoms (3) Euglenoids (4) Zooflagellates 76. Auxospores are formed by - (1) Diatoms (2) Euglenoids (3) Dinoflagelates (4) bacteria