MCQ
Which is common amongst Fly, Mosquito and Cockroach
- AOpen exretory system
- BTwo pairs of wings
- ✓All belong to class insecta
- D$13-$ chambered heart
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$(I)$ Body is circular in cross-section.
$(II)$ Parasite found in animals and plants.
$(III)$ Organ-system level of body organization.
$(IV)$ Incomplete digestive system.
$\begin{array}{|l|l|} \hline Column\;-\;I & Column\;-\;II \\ \hline A.\;Caecum\;in\;earthworm & 1.\;Tubular \\ \hline B.\;Caecum\;in\;cockroach & 2.\;Forgut \\ \hline C.\;Gizzard\;in\;earthworm & 3.\;26^{th}\;segment \\ \hline D.\;Gizzard\;in\;cockroach & 4.\;8-9\;segment \\ \hline \end{array}$