Question : Kepler's law of planetary motion states that the square of the period is proportional to the

Option 1: semi-major axis

Option 2: square of the semi-major axis

Option 3: cube of the semi-major axis

Option 4: fourth power of the semi-major axis

Question : The major aim of devaluation is to:

Option 1: encourage imports

Option 2: encourage exports

Option 3: encourage both exports and imports

Option 4: discourage both exports and imports 

Question : Which of the following is not a major tribe of South India?

Option 1: Dang

Option 2: Toda

Option 3: Badaga

Option 4: Irula

Question : Which of the following states is not a major producer of fertilisers?

Option 1: Himachal Pradesh

Option 2: Gujarat

Option 3: Maharashtra

Option 4: Uttar Pradesh

Question : Which gas is the major component of biogas?

Option 1: Compressed natural gas

Option 2: Methane

Option 3: Hydrogen

Option 4: Liquefied petroleum gas