Present in female cockroaches It is a pair of gland that secrete the hard egg case or ootheca
B.
Mushroom gland
Absent in female cockroaches Present in males in the 6th to 7th abdominal segments
C.
Spermatheca
Present in female cockroaches in the 6th abdominal segment
D.
Anal style
Absent in female cockroaches Present in males and project backwardly from 9th sternum
E.
Phallic gland
Absent in female cockroaches
Present in males as a large club shaped gland located below the ejaculatory duct and reaches anteriorly up to the 5th abdominal segment. Thus, only structures represented by 'A' and ' C ' are present in female cockroaches. Whereas, structures indicated by ' B ', ' D ' and ' E ' are present in males. Options (1) and (2) are incorrect as these structures are present in males. Option (3) is incorrect as it represents only a single structure which is present in female cockroaches.