The instrument which measures wind velocity is
Lactometer
Anemometer
Hydrometer
Barometer
The idea of food chain was introduced by which one of the following ecologist
What is true about the isolated small tribal populations?
Match Column $I$ with Column $II$
Column-$I$ (Means of transport) |
Column-$II$ (Soil type) |
$a.$ Water | $(i)$ Colluvial |
$b.$ Air | $(ii)$ Alluvial |
$c.$ Gravity | $(iii)$ Eolian |
and choose correct option
Concept of mimicry was given by ...$A$...
Father of Indian Plant Ecology ...$B$...
Term 'ecology' coined by ...$C$...
Here $A, B$ and $C$ refers to
In recent years, there has been an increasing incidence of floods in the plains of northern India because