Question : Which of the followinf is FALSE with respect to rain water harvesting ?

Option 1: It is a device of water conservation

Option 2: It helps in raising water table

Option 3: It helps in meeting rising water demands

Option 4: It increases run off losses

Question : Directions: Consider the statements to be true and decide which of the given conclusions/assumptions can be drawn from the given statements. 
Statements: 
When water is cooled, it turns into ice.
When water is heated, it turns into steam.
Conclusions: 
I. Water is a solid.
II. Water is a gas.

Option 1: Only conclusion I follows

Option 2: Only conclusion II follows

Option 3: Both conclusions I and II follow

Option 4: Neither conclusion I nor II follows

Question : Select the option that expresses the given sentence in passive voice.

The sewage water smells foul.

Option 1: Foul is smelt by the sewage water.

Option 2: The sewage water is foul when it is smelt.

Option 3: The sewage water has a foul smell.

Option 4: Passive construction is not possible.

Question : Water is not effective in extinguish a fire cause by petrol because

Option 1: The flame is too hot for water to cool it down

Option 2: Water and petrol react chemically

Option 3: Water and petrol are miscible with each other

Option 4: Water and petrol are immiscible with each other and petrol which forms the upper layer  continues to burn

Question : Directions: Consider the statements to be true and decide which of the given conclusions/assumptions can be drawn from the given statements. 
Statements :
All states having dams face no water problem.
One of the states has no dam.
Conclusions :
I. It may be facing a water problem.
II. Dams solve the water problem.

Option 1: Only conclusion I follows

Option 2: Only conclusion II follows

Option 3: Both conclusion I and conclusion II follow

Option 4: Neither conclusion I nor conclusion II follows