Most of the ozone in the atmosphere is concentrated in the____________?

Related Mcqs:

1. Most of the ozone in the atmosphere is concentrated in the _____________?

   A. Mesosphere
   B. Troposphere
   C. Stratosphere
   D. ionosphere

2. Ozone layer prevents ______________ radiation from entering the atmosphere?

   A. Infra-red
   B. Ultraviolet
   C. X-rays
   D. Gamma rays
   E. None of these

3. The unit to measure the quantity of Ozone in atmosphere is?

   A. Dobson
   B. Dalton
   C. Cuolomb
   D. none

4. The unit to measure the quantity of Ozone in atmosphere is ?

   A. Dobson
   B. Cloning
   C. Dalton
   D. Colomb

   Submitted by: Mansoor Ahmed Suhag

5. An egg sinks in soft water but floats in a concentrated solution of salt because?

   A. egg absorbs salt from the solution and expands
   B. albumin dissolves in salt solution and egg becomes lighter
   C. the density of salt solution exceeds the density of eggs
   D. water has high surface tension

   Submitted by: Malik Asghar Hussain

6. Red blood corpuscles are formed in the____________?

   A. Liver
   B. Bone marrow
   C. Kidneys
   D. Heart

7. Malaria is a disease which effects the____________?

   A. Heart
   B. Lungs
   C. Spleen
   D. Kidneys

8. Vitamin A is found in the____________?

   A. Green vegetables 
   B. white vegetables
   C. Yellow vegetables
   D. Red vegetables

   Submitted by: WIQAR AHMAD

9. The phases of the moon are partially the result of the____________?

   A. Changes in the shape of the moon
   B. Revolution of the moon around the earth
   C. Variations in the moon’s gravitation
   D. Variations in the speed of rotation of the moon

   Submitted by: Jameel Ahmed Solangi (Larkana)

10. The “Rising” of the “evening star” indicates the direction of the____________?

    A. South Pole
    B. East
    C. West
    D. North

    Submitted by: Noor Ahmed