The main constituent of Pearls are: ______________?

Related Mcqs:

1. The main constituent of hemoglobin is___________?

   A. Chlorine
   B. Iron
   C. Calcium
   D. None of these

2. The main Constituent of Biogas is__________?

   A. Methane 
   B. Hydrogyn
   C. Oxygen
   D. Carbin dioxide

   Submitted by: Farhan Rana

3. Main constituent in air is ___________?

   A. Oxygen
   B. Nitrogen
   C. Hydrogen
   D. Helium

   Submitted by: Mirza Musawer Jamil

4. The principal constituent of the atmosphere of the Earth is?

   A. Oxygen
   B. Carbon
   C. Hydrogen
   D. Nitrogen

5. The metal, which is a constituent of vitamin B12 is____________?

   A. Iron
   B. Magnesium
   C. Zinc
   D. Cobalt

   Submitted by: Malik Asghar Hussain

6. The main function of the kidney is ____________?

   A. To control blood pressure
   B. To control body temperature
   C. To remove waste product from the body
   D. To help in digestion of food

7. The main cause of floods in the river is__________?

   A. Heavy snowfall
   B. Earthquakes
   C. Deforestation
   D. Construction of dams

   Submitted by: Muhammad Tahir

8. The main cause of air pollution is __________?

   A. Burning Of Fuels
   B. Forests
   C. Fertilizers
   D. None of these

   Submitted by: Rafi Umar

9. The main factor for determining a region’s climate is ___________?

   A. Latitude
   B. Temperature
   C. Longitude
   D. None of them

   Submitted by: Ahmed Khan jamali

10. What is the main composition of the sun?

    A. Oxygen and Ammonia
    B. Hydrogen and Helium
    C. Hydrogen and Oxygen
    D. Methane and Hydrogen

    Submitted by: Umar Yaseen Ramay