Which of the following conditions la the most relevant for the presence of life on Mars?
Atmospheric composition
Thermal conditions
Occurrence of ice caps and frozen water
Occurrence of ozone
Correct Answer :
C. Occurrence of ice caps and frozen water
Related Questions
Which planet is called 'red planet'?
Mars
Jupiter
Mercury
Venus
Average temperature of the Earth is.
14°C
24°C
34°C
20°C
How much is the variation In distance between the Earth and the Sun during aphelion and perihelion?
5000000 km
500000 km
50000 km
5000 km
A celestial body which revolves round a planet just as a planet revolves round the Sun is called _____.
Moon
Asteroid
Satellite
Great Bear
What part of the moon's surface is never visible from the earth?
1.41
1.47
0.59
0.5
Smallest planet of our Solar System is _____.
Pluto
Earth
Venus
Mercury
The time period elapsing between one New Moon and the next is approximately
8.19 Days
30 days
29.5 Days
61 Days
Sun-rays reaches earth in (approximately)
8 seconds
8 minutes
4.3 seconds
1 light year
The difference between day and night increases as one moves
From equator to poles
From poles to equator
From tropics to equator
From plains to mountains
What proportion of the mass of the earth does the mass of the Moon equal?
1/81
1/18
1/27
1/72
The planet of lowest density (0.69) is __ .
Jupiter
Saturn
Neptune
Pluto
The most important constituent of the Sun's mass is.
Hydrogen
Helium
Silicon
Iron
1 and 2
2 and 3
3 and 4
1,2 and 4
Sidereal means
Pertaining or referring to the stars
Pertaining or referring to the moon
Pertaining or referring to the Sun
Pertaining' or referring to the cosmic bodies
Which two planets do not have any satellites?
1. Mercury
2. Venus
3. Saturn
4. Pluto
1 and 2
2 WtQ 3
3 and 4
1 and 4
Planet with maximum satellites is _____.
Earth
Saturn
Jupiter
Pluto
Charon' is the satellite of _____.
Earth
Saturn
Pluto
Neptune
Shoemaker-Levy 9 is a
Meteors
Pole Stars
Comets
Stars
Period of sunspot cycle is
11 years
15 years
21 years
33 years
Sun revolves around galaxy once in every 250 million years, this length of time is called _____.
Cosmic or Galactic Year
Mean Solar Year
Sidereal Year
Leap Year
Which one of the following conditions is moat relevant for the presence of life on Mars?
Atmospheric composition
Thermal conditions
Occurrence of ice caps and frozen water
Occurrence of ozone
Who was the first person to describe the earth as a sphere?
Columbus
Varahmihir
Aryabhat
Copernicus
What is a narrow waterway separating two bits of land called?
A bay
A gulf
A strait
An isthmus
Lunar eclipse means
Direction or path of the Moon
The Moon comes between the Sun and the Earth
The Earth comes in between the sun and the Moon and the centres of all the three come on the same straight line
The average angle made by a line drawn from the Moon to the Earth
A celestial body consisting of a gaseous cloud enveloping a bright nucleus moving around the Sun in an elliptical or parabolic orbit so eccentrically that some escapes from the Solar Systems is called
Comet
Great Bear
Meteores
Asteroides
Equatorial diameter of the Earth is __.
12757 km
17257 km
17527 km
17572 km
Presently the farthest planet from the Sun is _____.
Pluto
Neptune
Uranus
Venus
The atmospheric� pressure on the surface of Venus is more than__ times the atmospheric pressure of the Earth.
90
80
50
100
Average density of the Earth is ( relative to water) __.
5.5
4.5
9.5
6.5
Rapidly rotating stars emitting intense radio waves are called ___.
Pulsars
Quasuars
Neutron stars
All of the above
The name of our galaxy is _______
Alfa Centauri
Proxima Centauri
Milky Way
Neptune