From Patently Defined, here
"We have all seen rejections in which an Examiner has erroneously characterized several independent claims, grouped them together, and generically rejected the group. In situations like this in which an Examiner has grouped claims together to make a generic, omnibus rejection, §707.07(d) of the MPEP may be of interest. That section warns:"
707.07(d) Language to be Used in Rejecting Claims
A plurality of claims should never be grouped together in a common rejection, unless that rejection is equally applicable to all claims in the group.