Everyday Science MCQs

Long-sight defect could be corrected by using __________ lens?

  1. concave
  2. Convex
  3. diverging
  4. none of these

Short-sight defect could be corrected by a _____________ lens?

  1. concave
  2. Convex
  3. diverging
  4. none of these

Deficiency of Vitamin-A results in __________?

  1. Night blindness
  2. rickets
  3. scurvy
  4. hair fall

For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?

  1. also decrease
  2. increase
  3. remains constant
  4. none of these

The lifespan of Red Blood Cells is __________ days?

  1. 60
  2. 120
  3. 180
  4. 240