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Which among the following kinds of lenses are used to treat Astigmatism ?

  • Concave Lens
  • Convex Lens
  • Bifocal Lens
  • Cylindrical

Answer: Option D

Similar Questions :

1. With which deficiency Xerophthalmia is caused ?

  • Vitamin A
  • Vitamin B
  • Vitamin C
  • Vitamin D

Answer: Option A

2. Pigmentation of skin is due to :

  • leucocytes
  • lymphocytes
  • monocytes
  • melanocytes

Answer: Option D

3. What is pH value of human blood ?

  • 7
  • 7.2
  • 7.4
  • 7.8

Answer: Option C

4. On an average how many litres of blood a human body have ?

  • 2-3 litre
  • 5-6 litre
  • 8-10 litre
  • 12-14 litre

Answer: Option B

5. Milk fever in cow is caused due to the deficiency of ?

  • Sodium
  • Calcium
  • Phosphorus
  • Nitrogen

Answer: Option B

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