Nerve fibres conduct impulses in
One direction
Two direction
Multidirection
None of the above
List any two major causes other than anthropogenic causes of the loss of biodiversity.
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
Wild populations of plants and animals and traditional life styles of tribals are protected in
Assertion : A sanctuary is formed for the conservation of animals only.
Reason : Restricted human activities are allowed in sanctuaries.
Sanjay Gandhi Biological Park is situated in