Cockroach: Nervous System Structural Organization in Animals (192 MCQs) Structural Organisation in Animals Biology - XI NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Regarding the neural system of cockroach:

I:	It is located on the ventral side of the body.
II:	There are three thoracic ganglia and six abdominal ganglia.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

Subtopic: Cockroach: Nervous System |

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From NCERT

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If the head of cockroach is removed, it may live for few days because:

1.	The cockroach does not have a nervous system.
2.	The head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.
3.	The head holds a third of the nervous system while the rest is situated along the dorsal part of its body.
4.	The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.

Subtopic: Cockroach: Nervous System |

69%

From NCERT

NEET - 2020

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