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

Assertion : In tropical rain forests. $O-$ horizon and $A-$ Horizon of soil profile are shallow and nutrient-poor.
Reason : Excessive growth of micro-organisms in the soil depletes its organic content

$-1{ }^{\circ} C , 13^{\circ} C$ annual variations in the intensity and duration of temperature and $50$ and $250 \;cm$ annual variation in precipitation, account for the formation of a major biome as

Identify the correct matched pair:

Which one of the following is an example ofex situ conservation?

Mark the odd one out (w.r.t. National Parks)