The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?
It has a high rainfall that supports luxuriant vegetative growth
It is a confluence of different bio-geographical zones
Exotic and invasive species have not been introduced in this region
It has less human interference
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