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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. 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.

2. Branch of science which used in test of breast cancer ?

  • Mycology
  • Mammography
  • Microbiology
  • Morphology

Answer: Option B

Explanation:

Mycology - is study of fungi.

Microbiology - is study of micro organisms like virus, bacteria etc.

Morphology - is study of external structures.

3. Which crop helps in nitrogen fixation ?

  • Maize
  • Beans
  • Potatos
  • Rice

Answer: Option B

4. Photosynthesis takes place faster in ?

  • yellow light
  • red light
  • darkness
  • white light

Answer: Option D

5. Among the biotic components of the ecosystem, the producer system is ?

  • Sea
  • Rivers
  • Green Plants
  • Animals

Answer: Option C

Read more from - Biology Questions Answers
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