Read the following statements carefully and select correct option
(a) In zoological parks, conditions similar to natural habitats are provided to animals
(b) Keys are generally analytical in nature
(c ) In herbarium sheet, local names are not mentioned
(d) Taxonomical aids are useful in knowing bioresources
A. Only (a) & (b)
B. (a), (c ) & (d)
C. (a), (b) & (d)
D. All of the above