During the day which process is the major driving force in the movement of water in the xylem?
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Which of the following is not the properties of an ionic compound?
Which of the following causes damage to bridges, iron railings and all objects made of metals?
The pH value increase from 7 to 14 represents a
If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is double that of earth and radius is same as that of earth is _________________.
AC is converted into DC by a
Pressure is measured in terms of
Which of the following authority is elected on the basis of proportional representation in India?