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21. Contour farming is a biological method of soil, thod öf sõil, conservation., Hyderabad., Objective Questions, 1. Which of the following is a free living bacteria, that help in nitrogen fixation ?, (a) Azotobacter, (c) Azolla, (a) Methanol, (c) Ethanol, (b) Sugar, (d) Sugarcane [SSC 2016], (b) Anabaena, (d) Nostoc, 4. Bacteria help in making curd from milk is-, (a) Mycobacterium, (c) Lacto bacillus, [CDS 2009], (b) Staphlio coccus, (d) Yeast [SSC 2002, 2017], 2. What is mushroom ?, (a) Fungus, (c) Animal, (b) Plant, 5. Which one of the following disease cause by, (d) Bacteria, bacteria ?, [SSC (MTS) 2017], (a) Tuberculosis, (c) Small pox, (b) Mumps, (d) Asthma, [RRB Calcutta/Bhuneshwar 2003], 3. The most, extensive use of molasses after, fermentation is producing-

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4.76, General Science, 6. Viruses are made up of-, (a) Protein & lipids, (b) Nucleic acid & protein, (c) Lipid & Carbohydrate, (d) Carbohydrate & Nucleic acid (SSC Grade 2002], 7. Foot & mouth disease is caused by-, 20. How does a unicellular organism reproduce?, (a) Cell division, (c) Cell Synthesis, (b) Cell reproduction, (d) Fragmentation, 21. Which one of the following is commonly known, [SSC 2017), (a) Bacteria, (c) Fungi, as pond silk ?, (a) Spirogyra, (c) Yeast, (b) Virus, (b) Rhizopus, (d) Ulothrix, (d) Algae [IAS (Pre) 2002), 8. HIV is related to-, [SSC (MTS) 2017], (a) Cancer, (c) Hepatitis, (b) Plague, (d) AIDS, 22. Dog bite can cause rabies. Which among the, following other animals can cause rabies?, (a) Donkey, (c) Horse, 23. Penicillin is isolated from-, (a) Fungi, (c) Virus, 24. Which of the following is not a khariff crop?, (UPPCS (Pre) 1993], 9. AIDS Virus Contain-, (a) Single stranded RNA, (b) Double stranded RNA, (b) Bat, (d) Crocodile [CDS 2011], (b) Algae, (d) Bacteria ISSC 2011], (c) Single stranded RNA, (d) Double Stranded DNA, 10. Kelps are-, (a) Fresh water algae, (b) Marine algae rich in iodine, (c) Terrestrial, (d) Amphibious, 11. The biggest single cell organism is, (a) Yeast, (c) Acetobacter, [SSC Grade 2000], (a) Cotton, (c) Maize, 25. Which of the following animal breath through the, (b) Ground nut, (d) Mustard [JPSC 2011], skin ?, [BSSC 2015], (a) Fish, (c) Frog, 26. Which of the following does not have any enzyme, (b) Pigeon, (d) Cockroach [JPSC 2011], (b) Acetabularia, (d) Amoeba [BSSC 2015], in its cells ?, 12. The bacteria which convert nitrites to nitrates is, (a) Nitrosococcus, (c) Nitrobacter, (b) Nitrosomonas, (d) Azotobacter, (a) Lichen, (c) Bacteria, (b) Virus, (d) Algae [65th BPSC 2019], 27. What is cryptogamae ?, (a) Plant having seed cover, (b) Flowering plants, (c) Non-flowering plant, (d) Plant having uncovered seed [SSC (MTS) 2019], 28. How do pteridophytes reproduce ?, (a) With the help of budding, (b) With the help of spores, (c) With the help of pollens, (d) With the help of seeds, [BSSC 2016], 13. N, H, Virus is sometimes mentioned in the news, with reference to which one of the following, disease ?, (a) AIDS, (c) Dengue, (b) Bird flu, (d) Swine flu/UPSC 2015], 14. Microbial type culture collection centre is, situated at-, [SSC (CPO) 2019], (a) Chandigarh, (c) Hyderabad, (b) Banglore, (d) New Delhi, 29. Good source of vitamin 'C' is, (a) Lemon, (c) Amla, 30. Which part of cinchona yields a drug ?, (a) Endosperm, (c) Bark, (b) Orange, (d) Chilli[SSC (MTS) 2009], [SSC (CGL) 2015], 15. The smallest organism, capable of autonomous, growth and reproduction is-, (a) Virus, (b) bacteria, (d) Bacteriophage, (b) Pericarp, (d) leaf [SSC (LDC) 2015], (c) Mycoplasm, [BPSC 2015], 31. Clove is a-, (b) Dry flower bud, (d) Seed [SSC 2000, 2003], 16. Which of the following is used as Bio-fertilizer in, the production of crop paddy ?, (a) Blue green algae, (c) Fungi, (a) Fruit, (c) Vegetative bud, 32. Cell wall of any fungus is different from plant in, having-, (a) Cellulose, (c) Cholesterol, (b) Rizobium, (d) Azobacter [IAS 2000], (b) Chitin, 17. Agar-Agar is obtain from-, (a) Fungi, (c) Moss, (d) Glycogen /NDA 2017], (b) Algae, (d) Bacteria [BSSC 2015], 33. IR-20 is a high yielding variety of-, (a) Cotton, (c) Wheat, (b) Rice, 18. Yeast, used in making bread is a-, (a) Fungus, (c) Plant, (d) Sugarcane [SSC 2011, 34. Which one of the following is a distinctive, characterstic of angiosperm ?, (a) Thick bark, (c) Long leaf, (b) Bacteria, (d) Seed, [JSS 2015], 19. The disease Athlete foot is caused by-, (a) Bacteria, (c) Protozoa, (b) Fungi, (d) Nematod, (b) Small roots, (d) Concealed seed, [SSC (CPO) 2019/, [IAS (Pre) 2001]

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General Science, 35. Whi, clas, (a), (b), (c), (d), 4.76, 6. Viruses are made up of-, 20. How does a unicellular organism reproduce ?, of th, (a) Protein & lipids, (b) Nucleie acid & protein, (c) Lipid & Carbohydrate, Carbohydrate & Nucleic acid (SSC Grade 20021 21. Which one of the following is commonly known, (a) Cell division, (b) Cell reproduction, (d) Fragmentation, (c) Cell Synthesis, (SSC 2017), 7. Foot & mouth disease is caused by-, as pond silk?, (a) Spirogyra, (c) Yeast, (a) Bacteria, (c) Fungi, 8. HIV is related to-, (a) Cancer, (c) Hepatitis, (b) Virus, WH, (b) Rhizopus, (d) Ulothrix, (d) Algae [IAS (Pre) 2002), 36., (a), (b) Plague, (d) AIDS, [SSC (MTS) 2017], (c), 22. Dog bite can cause rabies. Which among the, following other animals can cause rabies ?, (a) Donkey, (c) Horse, 37. Inc, (a), (UPPCS (Pre) 1993], (c), (b) Bat, (d) Crocodile (CDS 2011], 9. AIDS Virus Contain-, (a) Single stranded RNA, (b) Double stranded RNA, (c) Single stranded RNA, (d) Double Stranded DNA, 38. W, (a), 23. Penicillin is isolated from-, (a) Fungi, (c) Virus, 24. Which of the following is not a khariff crop ?, (c), (b) Algae, (d) Bacteria ISSC 2011], 39. Su, In, [SSC Grade 2000], 10. Kelps are-, (a) Fresh water algae, (b) Marine algae rich in iodine, (c) Terrestrial, (d) Amphibious, 11. The biggest single cell organism is, (a) Yeast, (c) Acetobacter, (a) Cotton, (c) Maize, 25. Which of the following animal breath through the, (b) Ground nut, (d) Mustard UPSC 2011], (a, (c, skin ?, 40. W, [BSSC 2015], (a) Fish, (c) Frog, 26. Which of the following does not have any enzyme, (b) Pigeon, (d) Cockroach [JPSC 2011], (a, (b) Acetabularia, (d) Amoeba [BSSC 2015], in its cells ?, 41. P, 12. The bacteria which convert nitrites to nitrates is, (a) Lichen, (c) Bacteria, 27. What is cryptogamae ?, (a) Plant having seed cover, (b) Flowering plants, (c) Non-flowering plant, (d) Plant having uncovered seed [SSC (MTS) 2019], 28. How do pteridophytes reproduce ?, (a) With the help of budding, (b) With the help of spores, (c) With the help of pollens, (d) With the help of seeds, (a) Nitrosococcus, (c) Nitrobacter, (b) Nitrosomonas, (d) Azotobacter, (b) Virus, (d) Algae [65th BPSC 2019], [BSSC 2016], 13. N, H, Virus is sometimes mentioned in the news, with reference to which one of the following, 42., disease ?, (a) AIDS, (c) Dengue, (b) Bird flu, (d) Swine flu/UPSC 2015], 14. Microbial type culture collection centre is, situated at-, 43., [SSC (CPO) 2019], (a) Chandigarh, (c) Hyderabad, (b) Banglore, (d) New Delhi, 29. Good source of vitamin 'C' is, 44., (a) Lemon, (c) Amla, (b) Orange, (d) Chilli[SSC (MTS) 2009], [SSC (CGL) 2015], 15. The smallest organism, capable of autonomous, growth and reproduction is-, (a) Virus, 30. Which part of cinchona yields a drug ?, (a) Endosperm, (c) Bark, (b) bacteria, (d) Bacteriophage, (b) Pericarp, (d) leaf [SSC (LDC) 2015), (c) Mycoplasm, 45., [BPSC 2015], 31. Clove is a-, (b) Dry flower bud, (d) Seed [SSC 2000, 2003], 16. Which of the following is used as Bio-fertilizer in, the production of crop paddy ?, (a) Blue green algae, (c) Fungi, (a) Fruit, (c) Vegetative bud, 32. Cell wall of any fungus is different from plant in, having-, (a) Cellulose, (c) Cholesterol, (b) Rizobium, (d) Azobacter [IAS 2000], 46, (b) Chitin, 17. Agar-Agar is obtain from-, (a) Fungi, (c) Moss, (d) Glycogen /NDA 2017], (b) Algae, (d) Bacteria [BSSC 2015], 33. IR-20 is a high yielding variety of-, (a) Cotton, (c) Wheat, (b) Rice, 18. Yeast, used in making bread is a-, (a) Fungus, (c) Plant, 47, (d) Sugarcane [SSC 2011, (b) Bacteria, (d) Seed, 34. Which one of the following is a distinctive, characterstic of angiosperm ?, (a) Thick bark, (c) Long leaf, [JSS 2015], 48, 19. The disease Athlete foot is caused by-, (b) Fungi, (d) Nematod, (b) Small roots, (d) Concealed seed, ISSC (CPO) 2019), (a) Bacteria, (c) Protozoa, [IAS (Pre) 2001]

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new, loceinties, Co, Biology, Which botanist is credited with creating one, of the first widely used natural system of plant, m reproduce?, 49. The oxygen in photosynthesis is released from-, (a) CO,, (c) Both CO, & H,O (d) Chlorophyll, classification ?, (a) August Wilhelm Eichler, (b) Robert Brown, (c) Joseph Dalton Hooker, (d) Joseph Banks, Which plant is called herbal-Indian Doctor ?, (a) Neem, (c) Mango, 7. India is largest producer and exporter of, O'H (4), ISSC (Grade) 2002, 2004], agmentation, ISSC 2017], ommonly known, 50. The plant receive nitrogen in the form of-, (a) Nitric oxide, (c) Ammonia, [SSC (CPO) 2019], sndoz, (SSC (MTS) 2017], hich among the, se rabies ?, (b) Nitrate, (d) Nitride /UPPSC 2016], thrix, (b) Amla, (d) Tulsi, 51. Which of the following plant shows chloroplast, dimorphism ?, (a) Rice, (c) Sugar beet, [SSC 2011], (b) Wheat, (a) Tea, (c) Wheat, 18. Which of the following is modified stem ?, (a) Carrot, (c) Coconut, 39. Sugar cane is one of the important cash crops in, India. It is grown to obtain-, (a) Starch, (c) Fructose, (b) Coffee, (d) Rice, (d) Sugarcane, codile [CDS 2011], [UPSC 2015], [SSC (CGL) 2015), (b) Sweet potato, (d) Potato /IAS (Pre) 1996], 52. Which of the following is not a plant hormone ?, (a) Gibberellin, (c) Cytokinins, (b) Auxins, ria, (SSC 2011], (d) Thyroxin, [SSC (CGL) 2017], ariff, crop ?, nd nut, 53. The crescograph, a device for measuring growth, of plants, was invented by-, (a) Hyder Ali, (b) Satyendra Bose, (c) Subrahmanyan Chandrasekhar, (d) Jagadish Chandra Bose, 54. In plant body, the water and minerals are trans-, ported by-, (a) Bast, (c) Parenchyma, 55. The nutritive tissue in the seed of higher plant is, (b) Glucose, (d) Sucrose INDA-I 2017], ath, 40. Which of the following reproduce through, budding ?, (a) Plasmodium, (c) Yeast, [RRB NTPC 2019], (b) Amoeba, (d) Paramecium, enzyme, [JSSC 2016], (b) Collenchyma, (d) Xylem NDA 2006], 41. Parthenogenesis is a process in which-, (a) Fruit develop without hormone, (b) Fruit develop without fertilization, (c), [65th BPSC 2019], known as-, Development of egg without fertilization, (d) Development of embryo without fertilization, (a) endosperm, (c) Hypocotyl, (b) Macellus, (d) Embryo, [SSC (CGL) 2020], İSSC (LDC) 2013], 42. Which of the following part modified into pitcher, in pitcher plant ?, (a) Stem, (c) Petiole, 56. Which micronutrient is supplied by soil to plant ?, (a) Phosphorus, (c) Zinc, (b) Leaf, (d) Stipule, (b) Calcium, (d) Nitrogen, [SSC (MTS) 2019], [IAS (Pre) 2007], 43. Which one of the following is a protein fibre ?, (a) Nylon, (c) Silk, 57. Which angiosperm is vesselless ?, (a) Hydrilla, (c) Maize, (b) Polyester, (d) Cotton, (b) Trochodendron, (d) Wheat [SSC (GL) 2014], SC (CPO) 2019], [CDS 2007], 58. The meristem which is found between mature, ....... meristem., (b) Primary, (d) Apical, 44. Crop shown at the commencement of the, tissue is known as, monsoon is called-, (a) Rabi crop, (c) Kharif crop, (a) Intercalary, (c) Lateral, (b) Cash crop, [6007 (SIN) JS, g?, (d) None of these, [SSC (CGL) 2017], JSS 2015), 45. The plant from which cocoa and chocolate are, obtained is a-, 59. Silver fibre Revolution is associated to, (a) Leather, (c) Jute, (b) Oil seed, (d) Cotton, (b) Shrub, [SSC (MTS) 2019], (a) Herb, (c) Small tree, 60. The plant which behave as a shoot parasite is-, (a) Ficus, (c) Cuscuta, (d) Very big tree, [BSSC 2015], (b) Santalum, (d) Euphorbia [SSC 2013], 46. Which one of the plastids is responsible for giving, colours of fruit and flowers ?, (a) Chloroplast, (c) Protoplast, (b) Leucoplast, (d) Chromoplast, 61. Self pollination will lead to, (a) Over breeding, (c) Inbreeding, (b) Out breeding, (d) Rare breeding, n /NDA 2017], [SSC (MTS) 2017], 47. Starch is an example of-, (a) Polysaccharide, (c) Monosaccharide, 62. The main function of palisade parenchyma in, (b) Oligosaccharide, (d) Disaccharide, leaf is-, (a) Transpiration, (c) Respiration, (b) Conduction, (d) Photosynthesis, distinctive, 48. Bark of which tree is used as a concliment ?, (a) Cinnamon, (c) Neem, (b) Clove, (d) Palm, ed seed