Biosphere reserves differ from national parks and wildlife sanctuaries because in the former
(a) human beings are not allowed to enter
(b) people are integral part of the system
(c) plants are paid greater attention than the animals
(d) living organisms are brought from all over the world and preserved for posterity.

Options

A. human beings are not allowed to enter
B. people are integral part of the system
C. plants are paid greater attention than the animals
D. living organisms are brought from all over the world and preserved for posterity.

Answer

B

Explanation

Biosphere reserves have a core zone (no human activity), a buffer zone (limited human activity) and a transition zone (participation of local for activities like settlements, cropping, recreation, forestry, etc).