question_answer

Choose incorrect statement -

[A] In cockroach?s heart blood flows anterior to posterior

[B] Blood of cockroach consist of plasma and haemocyte. This haemocyte helps in gaseous transport during respiration by trachea

[C] Vision in cockroach is mosaic vision also called as nocturnal vision because it is with less resolution and more sensitivity during night

[D] External genitalia in male cockroach are represented by chitinous symmetrical structure phallomere

A) One statement is incorrect

B) Two statements are incorrect

C) Three statements are incorrect

D) All statements are incorrect