The given figure represents head region of cockroach. In which one of the options all the four parts A, B, C and D are labelled correctly?

Q. Fill in the correct number of mouth parts of a cockroach.

Mouth Part	Number
Labrum
Mandibles
Maxillae
Labium
Hypopharynx

Q. Mark the odd one in each series.
(a) Areolar tissue; blood; neuron; tendon
(b) RBC; WBC; platelets; cartilage
(c) Exocrine; endocrine; salivary gland; ligament
(d) Maxilla; mandible; labrum; antennae
(e) Protonema; mesothorax; metathorax; coxa

Q. Mouth parts of cockroach include : mandible, crop, atrium, ommatidia, cardo, pedicle. cerci, labrum, coxa.
How many of the following :

Q. Mark the odd one in each series :
(a)Maxilla ; manidble ; labrum ; antennae
(b) Protonema ; mesothorax ; metathorax ; coxa.