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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. Algae is

  • Unicellular
  • Colonial
  • Filamentous
  • All of above

Answer: Option D

2. Who invented Polio Vaccine ?

  • Harrison and Sympson
  • Johan E. Salk
  • Luvenhauk - Leeuwenhock
  • Karl Landsteiner

Answer: Option B

Explanation:

Harrison and Sympson invented chloroform,

Luvenhauk - Leeuwenhock invented Bacteria,

Karl Landsteiner invented Blood Transfer.

3. Which is responsible for the process of cell division ?

  • mitosis
  • heterosis
  • fusion
  • fission

Answer: Option A

4. Pigmentation of skin is due to :

  • leucocytes
  • lymphocytes
  • monocytes
  • melanocytes

Answer: Option D

5. Which of the following gases readily combines with the haemoglobin of the blood?

  • Carbon monoxide
  • Methene
  • Oxygen
  • Nitrogen dioxide

Answer: Option A

Read more from - Biology Questions Answers
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