1.
The smallest planet in the solar system is
Answer : C. Mercury
2.
A meteor is
A. a rapidly moving starB. a piece of matter which has entered the earth's atmosphere from outer spaceC. part of a constellationD. a comet without a tail
Answer : B. a piece of matter which has entered the earth's atmosphere from outer space
3.
The colour of a star is an indication of its
Answer : D. temperature
4.
One astronomical Unit is the average distance between the
Answer : A. Earth and the Sun
5.
Day and night are the result of
A. earth's rotation around itselfB. earth's revolution around the sunC. both the above reasonD. none of these
Answer : A. earth's rotation around itself
6.
Hubble' is
Answer : C. A space telescope
7.
Which one of the following is correctly matched?
A. Quarks - A kind of crystalB. Venus - Brightest planetC. Nucleon - proton and ElectronD. Maser - A powerful source of heat
Answer : B. Venus - Brightest planet
8.
Which is not a terrestrial planet having hard surface?
Answer : A. Jupiter
9.
The solar eclipse achieves totality only in limited geographical regions because
A. the size of the shadow of the moon on the earth is small compared to the cross section of the earthB. the earth is not a smooth flat surface, it has elevations and depressionsC. the trajectories of the earth around the sun and the moon around the earth are not perfect circlesD. sun rays can reach most of the peripheral regions of the shadow of the moon due to atmospheric refraction
Answer : A. the size of the shadow of the moon on the earth is small compared to the cross section of the earth
10.
The angle between the moon and the sun would be ____________when measured from earth on a half-moon light
Answer : C. 90o
11.
When does a lunar eclipse occur?
A. on a new moon dayB. when the earth comes between the sun and the moonC. when the sun comes between the earth and the moonD. when the moon comes between the earth and the sun
Answer : B. when the earth comes between the sun and the moon
12.
The planet near to the sun
Answer : C. Mercury
13.
The distance between the earth and the sun is maximum when the earth is in
Answer : B. aphelion
14.
why the tail of a comet is directed away from the sun?
A. As the comet rotates around the sun, the lighter mass of the comet is pushed away due to the centrifugal force aloneB. As the comet rotates,the lighter mass of the comet is attracted by some star situated in the direction of its tailC. The radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the sunD. the tail of the comet always exists in the same orientation
Answer : C. The radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the sun
15.
Match List I correctly with List II and select your answer using the codes given below:
List I | List II |
---|---|
a) Mars | 1) A planet with prominent rings around it |
b) Mercury | 2) Planet farthest from the sun |
c) Neptune | 3) Planet closest to the sun |
d) Saturn | 4) Red Planet |
Answer : C. 4 3 2 1
16.
The solar system belongs the galaxy called
Answer : B. Milky way
17.
A lunar eclipse occurs when
A. the moon comes between the sun and the earthB. the earth comes between the sun and the moonC. the sun comes between the earth and the moonD. the sun,the moon and the earth are not in the same line
Answer : B. the earth comes between the sun and the moon
18.
A solar eclipse occurs when
A. the sun, the moon and the earth are not in the same lineB. the moon comes between the sun and the earthC. the earth comes between the sun and the moonD. the sun comes between the earth and the moon
Answer : B. the moon comes between the sun and the earth
19.
Consider the following statements:
A person in a spaceship located half way between the earth and the sun will notice that the ___________
i) sky is jet black
ii) stars do not twinkle
iii) Temperature out side the spaceship is much higher than that on the surface of the earth
A person in a spaceship located half way between the earth and the sun will notice that the ___________
i) sky is jet black
ii) stars do not twinkle
iii) Temperature out side the spaceship is much higher than that on the surface of the earth
Answer : D. I,II and III are correct
20.
Small bodies from interplanetary space when enter into our atmosphere become luminous. These are called
Answer : B. Meteors
21.
Consider the following statements:
Assertion (A ): We see only one side of the moon all the time
Reason (R ): Unlike the earth,the moon does not rotate on its axis
Assertion (A ): We see only one side of the moon all the time
Reason (R ): Unlike the earth,the moon does not rotate on its axis
A. A is true , but R is falseB. A is false but R is trueC. Both A and R are true, but R is not the correct explanation of AD. Both A and R are false
Answer : A. A is true , but R is false
22.
sun spots are
A. the mountains found on the surface of the sunB. the dark patches having less temperature then the normal surfaceC. ionized gas found near the solar surfaceD. the magnetic stroms on the surface of the sun
Answer : D. the magnetic stroms on the surface of the sun
23.
Consider the following statements:
Assertion (A): the brightest planet in the solar system is venus.
Reason(R ): It is very close to sun. select your answer
Assertion (A): the brightest planet in the solar system is venus.
Reason(R ): It is very close to sun. select your answer
A. Both A and R are trueB. Both A and R are falseC. A is true, but R is falseD. A is false but R is true
Answer : C. A is true, but R is false
24.
Which is the correct order of planet from sun
A. Jupiter, Venus, Uranus, MarsB. Venus, Uranus,Mars, JupiterC. Venus, Mars,Jupiter,UranusD. Uranus,Jupiter,Mars,Venus
Answer : C. Venus, Mars,Jupiter,Uranus
25.
Halley's comet moves in __________ path in its orbit around the earth
Answer : C. an elliptical
26.
Lunar eclipse occur
Answer : A. on a full-moon day