Which one of the following statements about the process of photosynthesis is correct?
Light energy is directly converted to kinetic energy which oxidizes carbon dioxide.
Light energy is directly converted to chemical energy which causes reduction of water.
Chlorophyll absorbs the chemical energy of light which causes oxidation of carbon dioxide.
Chlorophyll absorbs light energy which causes splitting of water molecules and reduction of carbon dioxide.
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy