Some of the nutrient cycles are labelled as below
$I$.Sulphur cycle $II$.Phosphorus cycle
$III$. Carbon cycle $IV$ .Nitrogen cycle
Of these, the sedimentary cycle is represented by
$I$ only
$II$ only
$III$ only
$I$ and $II$
Which one of the following is the first national park in India?
Number of red list categories prepared by $WCU\; (IUCN)$ is
Which of the following statement for biosphere reserve is incorrect?
Assertion : Tropical rain forests are disappearing fast from developing countries such as India.
Reason : No value is attached to these forests because these are poor in biodiversity
More conservative and scientifically sound estimate made by Robert May places the global species diversity at about