RAS Free Notes

RAS Preliminary exam 2013

Probable Questions 

1.What form does the Milky Way Galaxy has

a.   Spiral

b.   Elliptical c.  Irregular d.   Barbed

2.   If Sun dies it will be transformed into a

a.    White dwarf

b.   Black dwarf

c.    Quasar

d.   All of the above

3.   The most important constituent of the  Sun’s mass is

a.   Hydrogen

b.   Helium

c.    Silicon

d.   Iron

i)            1 and 2  ii)           2 and 3 iii)          3 and 4 iv)          1,2 and 3

4.   Which of the following not a plant of a Sun

a.   Mercury

b.   Mars

c.    Sirius

d.    Earth

5.   Name the biggest Planet of the Sun

a.   Earth

b.   Saturn

c.  Jupiter

d.   Mars

6.      Which planet is approximately thirty times farther from the Sun than Earth is?

a.       Saturn  b.        Uranus

c.    Neptune  d.   Jupiter

7.   Which planet takes more time to complete one rotation on its axis than to complete one

revolution around the Sun?

a.   Mercury

b.   Venus

c.    Mars

d.   Jupiter

8.   Energy is transferred from the Sun to Earth mainly by a.   molecular collisions

b.   density currents

c.    electromagnetic waves

d.   red shifts

9. Which planet has an orbit with an eccentricity most similar to the eccentricity of the

Moon’s orbit around Earth?

a.   Earth

b.   Jupiter

c.    Pluto

d.   Saturn

10When the Earth is at its maximum distance from the Sun it is called

a.   Aphelion

b.   Perihelion

c.    Equinox d.   Sidereal

11.   The direction of the rotation of the Earth on its axis is

a.   North to South

b.   West to East

c.    South to North d.   East to West

12.   Earth can be best describe as a

a.   Geoids

b.   Circle

c.    Sphere

d.   Oblate sphere

13.What is the total number of degrees that the earth rotates on its axis during a 12 hrs period?

a.   360?

b.   90?

c.    180?

d.   15?

14. Seasonal changes on the Earth ‘s surface are caused by

a.   Earth’s rotation

b.   Earth’s revolution

c.    Earth’s rotation and inclination of its axis.

d.   Earth’s revolution and inclination of its axis.

15.  If the earth’s axis had no inclination there would have been the absence of:

a.   High tides b.   Neap tides

c.    Deflection of wind direction

d.   Changes in the duration of day and night.

16.   Which planet has the largest number of satellites?

a.   Jupiter

b.   Uranus

c.    Neptune

d.   Saturn

17.   The age of the Earth is about:

a.   1.8 billion years

b.   2250 million years

c.    4.5 billion years

d.   1950 million years

18.   All the planets revolve around the Sun in an elliptical orbit in the   direction.

a.   Clockwise

b.   Anticlockwise

c.    Same

d.   Variable

19. Beyond   the sun is never overhead at any time of the year.

a.   40? N and S

b.   23½? N and S

c.    66½? N and S

d.   25? N and S

20.   The Asteroidal belt lies between

a.   Jupiter and Mars

b.   Earth and Mars

c.    Uranus and Neptune

d.   Mercury and Venus

21.   Match the following theories of the origin of the Earth and their proponents.

1.    Nebular Hypotheses         A. Kant

2.   Protoplanet                          B. Von Wiz sacker

3.   Planetesimal theory           C. Chamberlin

4.   Binary Star theory               D. Russell and Littleton.

1)   1A,2B,3C,4D

2)   1C,2D,3A,4D

3)   1D,2C,3B,4D

4)   1D,2A,3B,4C

22.   The name of the layer of the Earth that separates the crust from the core is the    ?

a)   Magma

b)   Lithosphere

c)    Asthenosphere

d)   Mantle

23.   What powers the Earth’s internal heat engine?

a.   Radioactivity

b.   solar energy

c.    volcanoes

d.   ocean tides

24.  Granite is a-

(a)  Igneous Rock

(b) Sedimentary Rock

(c) Metamorphic Rock

(d) Glacial Rock.

25)  The density of the earth as a whole is

a)  Granitic Rock

b)  Sedimentary Rock

c)  Metamorphic Rock

d)  Basaltic Rock.

26)  The basic difference between oceanic and continental crust is in its

a)  Asthonesphere

b)  Hydrosphere

c)  Oceanic block

d)  Lithosphere

27)   The main cause of faulting is

a)  Tension

b)  Wind

c)  Tidal activity

d)  Glacial Rock.

28)  Epeirogenic movement gives rise to

a)  Folded mountains

b)  shields

c)  plains

d)  none of these

29)  Richter?s scale is used for measuring the

a)  Relative humidity of the atmosphere

b)  Electric conductivity of water

c)  Magnitude of the earthquake

d)  Speed of winds

30)  Surface waves  in an earthquake are:

a)  S- waves

b) L-waves

c)  P-waves

d)  P & S waves

31)  The lake formed by volcanitcity is called:-

a)       Caldera

b)       Meander

c)       Lagoon

d)       Tarn

32.   The main cause of Tsunami is

a.   Volcanoes

b.   Cyclone

c. Earthquake on sea floors 

d. Moon’s attraction

33.   Chromospheres is related to:

a. Jupiter

b.   Venus

c.   Sun

d.   Moon

34.    A  rift valley  is formed by:

a.      Faulting activity

b.     Folding activity c.   Wind erosion

d.   Water erosion

35. Formation of an Oxbow lake is related to:-

a) Corals

b)       Glaciers

c)       Wind

d)      Water.

36. The feature not related to winds is:-

a)             Isenberg

b)       Mushroom rock

c)       Lapis

d)      Zeugen

37. Maximum velocity of the occurs at

a.   Upper part of the river

b.    Middle part of the river

c.   Lower part of the river

d.   It is difficult to say

38.Moraine are the feature related with a.   River

b.   Wind

c.    Waves

d.   Glaciered

39.   Cliff is the landforms associated with

a.   Waves

b.   Running water

c.    Water

d.   Underground water

40.    Blind valley is the example of

a.   Wind

b.   Karst

c.    Running water

d.   Waves

 

 

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