B.
An imaginary line on the earth's surface joining the north and south pole
The angular distance east or west of the Greenwich Meridian
The distance of place east or west of the Greenwich Meridian
The position of a place on the Earth surface with reference to the Prime Meridian
The countries along the Equator are in darkness
The countries along the Equator are at their hottest
The countries along the Equator are at their wettest
The Sun shines vertically over the Equator
Earth
Venus
Mercury
Mars
Moon
Asteroid
Satellite
Great Bear
Quasars
Polar Auroras
Meteorites
Pulsar
Venus
Uranus
Pluto
Earth
Venus
Mercury
Mars
Jupiter
meteors
comets
meteorites
asteroids
Uranus
Saturn
Pluto
Neptune
25°
30°
35°
15°
Only 1
1 and 2
1, 2 and 3
1, 2, 3 and 4
Indian
Pacific
Atlantic
Arctic
July-4
December-22
September-23
June-21
It never changes
January-4
January-3
January-21
Day and night
Varying lengths of day and night at different times of the year
Differences in time between places on different meridians
The deflection of winds
Blue
White
Black
Crimson Red
East to West
South to North
North to South
West to East
Pulsar
Brittle Star
Black hole
Quasar
27 days
29 days
29.32 days
27.32 days
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
Perigee
Apogee
Perihelion
Aphelion
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
Planet
Orion
Satellite
Star
Hydrogen and oxygen
Carbondioxide and oxygen
Hydrogen and hydrogen compounds
Nitrogen and helium
Carbondioxide and sulphuric acid
Carbondioxide and nitric acid
Nitrogen and sulphuric acid
Nitrogen and nitric acid
Aurora Australis
Quasars
Aurora Borealis
Pulsar
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
47 degrees
23.5 degrees
12 degrees
30 degrees
14°C
24°C
34°C
20°C
5th
4th
6th
3rd