Tracheae of cockroach and mammal are similar in having

  • A
    Paired nature
  • B
    Non-collapsible walls
  • C
    Ciliated inner lining
  • D
    Origin from head

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How many of the following structures are associated with excretion in a cockroach? Kidney,Malpighian tubules,Fat bodies,Uricose glands,Nephrocytes,Antennae glands.

Match the following columns regarding the anatomy of a cockroach:
Column-$I$ Column-$II$
$P$. Seventh sternum $I$. Boat-shaped
$Q$. Eighth and ninth sterna $II$. Anal styles
$R$. $10$th segment $III$. Genital pouch

Identify the correct sequence of organs in the digestive system of a cockroach.

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