The extremely cold temperatures in the polar region of moon mean that it can act as a kind of __________ where things do not undergo much change.

Related Mcqs:

1. Titan, a moon of __________ , and Triton, a moon of _________ , have atmospheres mainly of _________.

   A. Saturn, Jupiter, Hydrogen
   B. Uranus, Neptune, Nitrogen
   C. Saturn, Neptune, Nitrogen
   D. Mars, Venus, Hydrogen

   Submitted by: Muhammad Abdullah

2. Spring tides occur on new moon and full moon days because on these days_____________?

   A. Sun, moon and earth are in a straight line
   B. Sun and earth are at right angles
   C. Sun and moon are at right angles
   D. Earth and moon are at right angles

   Submitted by: Jameel Ahmed Solangi (Larkana

3. The presence of ice in which region of the moon has been conclusively established?

   A. Southern pole region 
   B. Northern pole region
   C. Equator
   D. All of the above

   Submitted by: Muhammad Abdullah

4. Which region of the Moon is known as Dark side?

   A. Equator
   B. South Pole
   C. North Pole
   D. None of these

   Submitted by: Areesha Khan

5. The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name?

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

   Submitted by: Ashfaque Ali Khoso

6. The areas around the North and South poles within the Polar circles is called _____________?

   A. The Torrid Zone
   B. The Frigid Zone
   C. The Temperature Zone
   D. The Hardiness Zone

   Submitted by: Mansoor Ul Haque

7. What sub-class of neutron star is known for its extremely high magnetic field?

   A. Magnetar
   B. Quasar
   C. Magneto
   D. Magnetta

   Submitted by: Mansoor Ul Haque

8. An extremely small piece of silicon on which integrated circuits are implicated is called __________________?

   A. Card Reader
   B. Hollerith Code
   C. Feed
   D. Chip

   Submitted by: Mansoor Ul Haque

9. The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?

   A. 1120 ft
   B. 120 ft
   C. 56 ft
   D. 100 ft
   E. None of these

10. Which of the following principleis used to produce ‘low-temperatures’ ?

    A. Super conductivity
    B. Joule-Kelvin effect
    C. Thermo-electric effect
    D. Adiabatic demagneti-sation

    Submitted by: Malik Asghar Hussain