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Subject :NSO    Class : Class 5

Select the incorrect statement.

AJupiter is the largest planet which takes about 12 years to orbit once around the Sun.
BNeptune appears bluish in colour due to the presence of helium gas.
CMars contains a lot of rusted iron that makes it look red.
DJupiter, Saturn, Uranus and Neptune have more than one moon but Mercury and Venus do not have any moon.


Ans 1:

Class : Class 5
The martian rocks are rusted.

Ans 2:

Class : Class 5
Venus and mercury has 0 moons ,mars has 2 moons not Venus and Jupiter ,Uranus,Neptune and Saturn also have more than one moon. So, d is correct. There is iron oxide in Mars' soil and there are also rust particles in the soil.These components get kicked around in the air of Mars by weather and wind making it look red. So, c is also correct. Neptune appears bluish in color due to the presence of helium gas. The above statement is also correct. Even though Jupiter is the largest planet in the Solar System, it is one of the fastest rotating planets. So,option A is incorrect and because of that it is the answer.

Ans 3:

Class : Class 4
and mars is red in colour because of its iron rich soil but i don't think that the iron is rusted

Ans 4:

Class : Class 4
venus has no moons and that is correct mars has 2 moons

Ans 5:

Class : Class 6
VENUS HAS 2 MOONS , SO WHY THEY ARE SAYING VENUS HAS NO MOONS ?

Ans 6:

Class : Class 7

Ans 7:

Class : Class 6
VENUS HAS 2 MOONS , SO WHY THEY ARE SAYING VENUS HAS NO MOONS ?

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