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Universe and Solar System
Size of the Sun is how many times bigger than that of the Earth?
124 times
100 times
109 times
115 times
109 times
The maximum fixation of solar energy is done by—
Bacteria
Fungi
Green plants
Protozoa
Green plants
Which one of the following is known as 'Morning Star'?
Mercury
Venus
Mars
Saturn
Venus
The earth completes one rotation on its axis in—
23 hrs. 56 min. 4-9 sec.
23 hrs. 10 min. 2 sec
24 hrs.
23 hrs. 30 min.
23 hrs. 56 min. 4-9 sec.
The Earth completes a full rotation on its axis in 23 hours, 56 minutes, and 4.1 seconds, a period commonly approximated as 24 hours for practical purposes, constituting a single day.
During solar eclipse—
the earth comes in between the sun and the moon
the moon comes in between the sun and the earth
the moon comes exactly halfway between the earth and the sun
the sun comes in between the earth and the moon
the moon comes in between the sun and the earth
The Earth's axis of rotation (polar axis) is always inclined at an angle of—
23.0° from the elliptic axis
23.1° from the elliptic axis
24.5° from the elliptic axis
23.5° from the elliptic axis
23.5° from the elliptic axis
Mars is also known as the—
Blue Planet
Red Planet
Green Planet
Brown Planet
Red Planet
Which is the fastest planet to revolve around the sun?
Mercury
Jupiter
Venus
Mars
Mercury
Indian Space Research Organisation (ISRO) was established in—
1972
1969
1962
1958
1969
The maximum concentration of ozone is found in which of the following?
Troposhere
Mesosphere
Stratosphere
Exosphere
Stratosphere