Ecdysone is produced by

  • A
    Prothoracic gland
  • B
    Corpora allata
  • C
    Corpora cardiaca
  • D
    Abdominal gland

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Similar Questions

Phallic organs in cockroach are related to

In which segment of the body of the male cockroach is the mushroom-shaped gland found?

Match column-$I$ with column-$II$ and choose the correct option.
Column $I$Column $II$
$A$. Periplaneta americana$I$. Hepatic caecae
$B$. $A$ ring of $6-8$ blind tubules$II$. Phylum Arthropoda
$C$. Vascular system$III$. Spiracles
$D$. $10$ pairs of small holes$IV$. Malpighian tubules
$E$. Excretion$V$. Open type

Match List-$I$ with List-$II$ related to the digestive system of a cockroach.
List-$I$List-$II$
$A$. The structures used for storing of food$I$. Gizzard
$B$. Ring of $6-8$ blind tubules at junction of foregut and midgut.$II$. Gastric Caeca
$C$. Ring of $100-150$ yellow coloured thin filaments at junction of midgut and hindgut.$III$. Malpighian tubules
$D$. The structures used for grinding the food.$IV$. Crop

Choose the correct answer from the options given below:

Malpighian tubules remove excretory products from:

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