Question : Electrical conductance through metals is called electronic conductance and it ______.

Option 1: does not depend on the temperature

Option 2: decreases with an increase in temperature

Option 3: increases with an increase in temperature

Option 4: decreases with a decrease in temperature

Question : Pressure cooker cooks faster because:

Option 1: The boiling point decreases with the rise in pressure.

Option 2: It cooks the food at low pressure.

Option 3: A higher temperature is attained for cooking.

Option 4: The material of the cooker is a good conductor.

Question : When power is shared among different organs of government, it is known as ________. 

Option 1: community government 

Option 2: separation of powers

Option 3: coalition government 

Option 4: amalgamation of powers

Question : If in any water body, there is a high BOD value then it is generally _____.

Option 1: very clean

Option 2: very polluted

Option 3: highly productive

Option 4: highly unproductive

Question : It is easier for man to swim in seawater than river water because

Option 1: The density of seawater is lesser than the density of river water.

Option 2: The density of seawater is more than the density of river water.

Option 3: The sea is deeper than the river.

Option 4: The sea is wider than the river.