| (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. |
A) Both (i) and (iii)
B) Only (ii)
C) Both (i) and (iv)
D) All of the above
Correct Answer: A
Solution :
[a] There are three ganglia lie in the thorax, and six in the abdomen. Each eye consists of about 2000 hexagonal ommatidia.
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