Haemolymph in cockroach is devoid of
Plasma
Haemocytes
Amino acids
Respiratory pigment
Visceral organs in cockroach -
Haemocytes, or numerous white corpuscles, are present in large numbers in the cockroach's translucent blood, also known as haemolymph. It is not used for gaseous exchange because it lacks any respiratory colour. Option 4 is ocrrect