ZoologySelect the two correct statements out of the four statements (a – d) given below about cockroach.(a) In females, the 7th abdominal sternum is boat-shaped.(b) In both sexes, the 10th segment bears a pair of unjointed filamentous structures called anal cerci.(c) Males bear a pair of short, thread-like caudal styles which are absent in females.(d) The genital pouch of the female is bounded dorsally by the 9th and 10th terga and ventrally by the 9th sternum.

Select the two correct statements out of the four statements (a - d) given below about cockroach.
(a) In females, the 7^th abdominal sternum is boat-shaped.
(b) In both sexes, the 10^th segment bears a pair of unjointed filamentous structures called anal cerci.
(c) Males bear a pair of short, thread-like caudal styles which are absent in females.
(d) The genital pouch of the female is bounded dorsally by the 9^th and 10^th terga and ventrally by the 9^th sternum.

A
a and c
B
a and b
C
b and c
D
c and d

Solution:

Anal cerci are jointed. The genital pouch of the male is bounded dorsally by 9^th and 10^th terga and ventrally by the 9^th sternum.