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41. Night-blindness is caused by the deficiency of:
  A.  Vitamin E
  B.  Vitamin A
  C.  Vitamin B
  D.  Vitamin C
     
   
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42. Beri-Beri disease is caused due to deficiency of:
  A.  Vitamin B6
  B.  Vitamin B12
  C.  Vitamin B1
  D.  Vitamin B4
     
   
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43. Riboflaribofavinosis disease caused due to the deficiency of:
  A.  Vitamin B6
  B.  Vitamin B4
  C.  Vitamin B12
  D.  Vitamin B2
     
   
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44. Pellagra disease is caused due to the deficiency of:
  A.  Vitamin B4
  B.  Vitamin B3
  C.  Vitamin B5
  D.  Vitamin B6
     
   
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45. Scurvy disease is caused due to deficiency of:
  A.  Vitamin K
  B.  Vitamin D
  C.  Vitamin C
  D.  Vitamin E
     
   
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46. Organisms which can make their own food are called ___________________ and those which can not make their own food are called ______________________.
  A.  Autotrophs; Saprotrophs
  B.  Autotrophs; Heterotrophs
  C.  Saprotrophs; Heterotrophs
  D.  Saprotrophs; Lithotrophs
     
   
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47. ________________ is widely used as a food preservative.
  A.  Benzoic acid
  B.  Sulphur dioxide
  C.  Sodium benzoate
  D.  All of them
     
   
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48. Pneumonia, Tuberculosis(T.B), Leprosy, Cholera, Diphtheria, pertussis (whooping cough), Tetanus, Meningitis, Lyme, Chlamydia , Gonorrhea, Syphilis, Cellulitis, Folliculitis, Boils, Diarrhea, Chills and Food-Posoining are caused by ______________________
  A.  Virus
  B.  Protozoa
  C.  Bacteria
  D.  Fungus
     
   
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49. Encephalitis,Viral Meningitis, Myocarditis, Paralysis, Hemorrhagic fever,Thrombocytopaenia, Common cold, Mononucleosis, Renal or respiratory syndrome, Hepatitis(A,B and C), Neurological disorder, Skin lesions, Skin lymphoma, AIDS, Skin warts, Genital warts,  Cervical cancer, Leukemia, Gastroenteritis, Flu, Mumps, Poliomyelitis (Polio), Rubella, Covid-19, Varicella,Variola, Measles, Shingles, Ebola, Dengue, Yellow, Rabies, Chicken-pox and Conjunctivitis are caused by _______________________.
  A.  Virus
  B.  Bacteria
  C.  Fungus
  D.  Protozoa
     
   
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50. Athlete’s foot, Jock itch, Ringworm, Yeast Infection, and Onychomycosis are caused by ___________________.
  A.  Bacteria
  B.  Fungus
  C.  Virus
  D.  Protozoa
     
   
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