When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because
Water from soil cannot rise to aerial parts
Roots are starved of energy
Tree is infected by soil microbes
Roots do not receive oxygen for respiration
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