Soil conservation is a practice, in which soil
Is protected from being carried away by wind and water
Is well aerated
Fertility is enhanced
Erosion is allowed
In India, forests constitute about
Total number of all species of organisms in a given region is known as the region's
$A :$ Botanical gardens are ex-situ conservation strategy of plants.
$R :$ National Botanical Garden is situated at Howrah.
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
Which one of the following is the first national park in India?