The figure given below shows the head region of cockroach. Identify $A$ to $F$.
$A-$ Compound eye, $B-$ Ocellus, $C-$ Maxilla, $D-$ Mandible, $E-$ Labrum, $F-$ Labium
$A-$ Ocellus, $B-$ Compound eye, $C-$ Mandible, $D-$ Maxilla, $E-$ Labrum, $F-$ Labium
$A-$ Ocellus, $B-$ Compound eye, $C-$ Mandible, $D-$ Maxilla, $E-$ Labium, $F-$ Labrum
$A-$ Ocellus, $B-$ Compound eye, $C-$ Maxilla, $D-$ Mandible, $E-$ Labrum, $F-$ Labium
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:
Delete odd one.
Function of Malpighian tubules.
The unit of photoreception, in a compound eye of cockroach and other insects, is