An Italian bee variety $A. mellifera$ has been introduced in India for honey production. Write about its merits over other varieties.

(N/A) The merits of the Italian bee variety $A. mellifera$ are as follows:
$(a)$ It has a high honey collection capacity.
$(b)$ It stings much less compared to indigenous varieties.
$(c)$ It stays in the given beehive for long periods.
$(d)$ It breeds very well.