The given figure shows open circulatory system of cockroach. Identify the structure that facilitate the flow of haemolymph by its contraction and relaxation

1274-31

  • A

    $A$

  • B

    $B$

  • C

    $C$

  • D

    All of these

Similar Questions

Identify $X$ the from the figure.

Match List $I$ with List $II$ related to digestive system of 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:

  • [NEET 2024]

Which is correct sequence for ootheca formation?

$(1)$ Ova enter into genital chamber

$(2)$ Cover around a fertilized eggs.

$(3)$ Ovum fertile by sperms.

Which of the following statement(s) is/are correct about nervous system of cockroach ?

($i$) It consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.

($ii$) There are six ganglia lie in the thorax, and three in the abdomen.

($iii$) The sense organs are antennae, eyes, maxillary pulps, labial pulps and anal cerci etc.

($iv$) Each eye consists of about $5000$ hexagonal ommatidia.

Mark the odd one in each series:

Maxilla; mandible; labrum; antennae