Water covers __________ of the Earth’s surface?

Related Mcqs:

1. For seeing objects at the surface of water from a submarine under water, the instrument used is ________?

   A. Periscope B. Telescope C. Kaleidoscope D. Spectroscope Submitted by: Rashid Mehmood...

2. Underground water and the water on the earth’s surface is called ?

   A. Mezosphere B. Ionosphere C. Hydrosphere D. None of these Submitted by: Haziq...

3. Ice mass that covers more than fifty-thousand square kilometers of land area is classified as____________?

   A. ice sheet B. ice field C. glacier erosions D. ice cap Submitted by: FAZAL ULLAH...

4. An iceberg is floating in sea. How much of its mass will remain above the surface of water?

   A. One tenth B. One fifth C. One fourth D. One third...

5. What is the percentage of salt water on earth surface?

   A. 93% B. 95% C. 97%  D. 76% Submitted by: Syed Nizakat Ali Shah...

6. Why the needle of iron swims on water surface when it is kept gently ?

   A. It will remain under the water, when it will displace more water than its weight B. the density of needle is less than that of water C. due to surface tension D. due to its shape Submitted by: Abid Hussain...

7. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

   A. 1 gram B. 10 grams C. 1 kg D. 10 kg...

8. Troposphere extends from planetary surface to bottom of __________?

   A. Stratosphere B. Mesosphere C. Troposphere D. Thermosphere Submitted by: Muhammad Abdullah...

9. For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________?

   A. Less than the gravitational potential energy of the body B. Equal to the gravitational potential energy of the body C. Greater than the gravitational potential energy of the body D. None of the above Submitted by: Syed Ahsan Ali Shah...

10. Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

    A. Conduction B. Convection C. Radiation D. Reflection E. None of these...