Open circulatory system is present in:
A.Cnidarians
B.Helminthes
C.Arthropods
D.None of these
Category: Phylum Arthropoda Mcqs
Oxygen carrying pigment in cockroach and other insects is:
A.Haemoglobin
B.Haemozoin
C.Heamozoin
D.None of these
Anal cerci are found in:
A.Male cockroach only
B.Female cockroach only
C.Both male and female cockroaches
D.None of these
Arthrodial membranes are made of:
A.Only chitin
B.Body wall and chitin
C.Only epiderms
D.None of these
Two pairs of antennae are found in:
A.Crustaceans
B.Insects
C.Myriapods
D.Arachnids
Which of these is not the part of stomodaeum in cockroach:
A.Proventriculus
B.Ventriculus
C.Crop
D.Oesophagus
Labial palps in cockroach are:
A.Unjointed
B.3 jointed
C.4 jointed
D.7 jointed
Stomodaeal valve of cockroach controls:
A.Proventriculus and ventriculus
B.Oesophagus and crop
C.Oesophagus and proventriculus
D.Buccal cavity and oesophagus
Chelicera are found in:
A.Cockroach
B.Scorpion
C.Butter-fly
D.None of these
Three plates surrounding anus in cockroach are:
A.A dorsal epiproct and two ventrolateral paraprocts
B.Two epiprocts and one dorsal paraproct
C.Two styles and one paraproct
D.None of these
