Quasars
Polar Auroras
Meteorites
Pulsar
B. Polar Auroras
Earth
Jupiter
Mercury
Venus
5000°C
6000°C
7000°C
212°C
Pulsars
Quasuars
Neutron stars
All of the above
Increases
Decreases
Remains unchanged
First increases and then decreases
Jupiter
Saturn
Neptune
Pluto
Estuary
Bay
Gulf
Delta
July 23
June 21
May 20
April 31
days and nights are of equal lengths in the Northern Hemisphere
Nights are longer than days in the Southern Hemisphere
Days and nights are of equal lengths at the poles
Night is equal to 24 hours at the North Pole
A lake is small and a tank is big
A lake has flowing water, a tank has still water
A lake is a geographical feature, a tank is not
Both are land-enclosed water bodies, but the latter is man-made
Earth and the Sun
Earth and the Moon
Jupiter and the Sun
Pluto and the Sun
Revolution
Rotation
Inclination of the earth's axis
Geoid shape of the earth
9
6
7
10
4, 2, 3, 1
4, 2, 1, 3
2, 4, 3, 1
4, 2, 3, 1
Alfa Centauri
Proxima Centauri
Milky Way
Neptune
8 seconds
8 minutes
4.3 seconds
1 light year
1 and 2
2 and 3
3 and 4
1,2 and 4
Chromosphere
Sunspots
Sun surface
Photosphere
Proxima Centaury
Alfa Centaury
Dog Star
Constellation
6071km
6571km
6371km
6771 km
5th
4th
6th
3rd
90
80
50
100
The Earth is the densest of all the Planets in our Solar System
The predominant element in the composition of Earth is silicon
The sun contains 75 per cent of the mass of the Solar System
The diameter of the Sun is 190 times that of the Earth
undulations on the solar surface
huge magnetic storms on the solar surface
places with adequate sunshine
places of tourist importance
Titania
Titan
Miranda
Europa
40067 km
50067 km
4067 km
5067 km
Moon
Asteroid
Satellite
Great Bear
the formation of universe
the origin and evolution of earth's crust
formation of Solar System
formation of constellation
Earth is at prihelion and Moon at perigee
Earth is at aphelion and Moon at apogee
Moon and Sun are at right angles with reference to the Earth
Moon, Sun and Earth lie along a straight line
wanderer
pollution
celestial body
heavenly body
Polaris
Alpha Centauri
Sun
Sirius