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Zoology Questions and Answers

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51. Night blindness is caused due to the deficiency of
 
  • A. Vitamin A
  • B. Vitamin B
  • C. Vitamin E
  • D. Vitamin K
 
52. The strongest and longest bone in the human body is
 
  • A. radius
  • B. tibia
  • C. femur
  • D. humerus
 
 
53. The deficiency of iodine causes
 
  • A. scurvy
  • B. goitre
  • C. rickets
  • D. diabetes
 
54. In scorpion, poison is present in the
 
  • A. leg
  • B. hand
  • C. sting
  • D. mouth
 
55. Which most vital system is absent in tapeworm?
 
  • A. nervous
  • B. excretory
  • C. digestive
  • D. reproductive