fuel, food preservation, nutrition, medicine, detergents and fertilizers - Category wise Question and Answer Practice Test with Solutions

Question : 6 [BPSC (Pre) 2005]

For wheat cultivation which fertilizer is used?

a) Copper

b) Nitrogen

c) Potassium

d) Iron

Question : 7 [UP UDA/LDA (Pre) 2010]

Biogas mainly consists of

a) Cardon dioxide and Methane

b) Carbon dioxide and Hydrogen

c) Hydrogen and Methane

d) Hydrogen and Oxygen

Question : 8 [PCS (Pre) 2016]

Which is main component of natural gas?

a) Propane

b) Methane

c) Ethane

d) Benzene

Question : 9 [PCS (Pre) 2005]

What is the main component of L.P.G.?

a) Propane

b) Methane

c) Ethane

d) Butane

Question : 10 [IAS (Pre) 1997]

Which one of the following is used as an anti-freeze for the automobile engines?

a) Methanol

b) Propyl alcohol

c) Ethanol

d) Ethylene glycol