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The smallest planet of the solar system is:
PST ----P-6 2016
a) Mercury
b) Uranus        
c) Mars           
d) Saturn

a

Which of the following planet is closest to sun? PST ---P-1----18L
a) Venus 
b) Mars           
c) Mercury
d) Uranus

c

The circular path of a planet around the Sun is called a/an…….
a) orbit           
b) way            
c) path            
d) none of these

a

The time taken by a planet to complete one orbit, is called….
a) orbital duration       
b) orbital period
c) orbital time             
d) all of these

b

The diameter of Earth is………..
a) 12,000 km              
b) 12,800 km
c) 13,000 km              
d) 13,800 km

b

The brightest objects appearing in the sky after the Sun is the…….
a) Planet                             
b) artificial satellite
c) Moon                              
d) stars

c