Earth Science MCQs (Part 1 of 21)

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  1. Strategic Defence Initiative Prograi1une is related to

    1. Space Wars

    2. Stars Wars

    3. Missiles

    4. Air to air missiles

  2. The age of the earth can be estimated by

    1. thickness of seidmcntary rocks

    2. changes in radioactive roinerals

    3. the amount of salt present in sea water

    4. the amount of erosion

  3. Time taken by the moon to go through a complete cycle of phases is called

    1. sidereal month

    2. synodic month

    3. draconic month

    4. solar month

  4. The star which suddenly increases its brightness and then fades to its fonner level is called

    1. binary star

    2. neutron star

    3. giant star

    4. flare star

  5. The geostationary orbit in which communication satellites are placed is

    1. always ellipitical

    2. always circular

    3. either circular or ellipitcal

    4. parabolic

  6. The planet richest in oxygen content is

    1. venus

    2. mars

    3. mercury

    4. earth

  7. The farthest planet from the sun is

    1. venus

    2. uranus

    3. pluto

    4. jupiter

  8. A large heavenly body which is not completely burned to gas, but falls to the earth is called

    1. meteor

    2. meteorite

    3. comet

    4. projectile

  9. Weightlessness experienced while orbiting the carth in space-ship is a result of

    1. inertia

    2. zero gravity

    3. acceleration

    4. centre of gravity

  10. The first woman cosmonaut is

    1. Jamara Press

    2. Sally Ride

    3. Valentiana Tereshkova

    4. None of these

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