alleryHydra's nervous system is just a network of neurons. Insects are better organised because they have a:
ABrain with ganglia
BLong spinal cord
CLarge cerebellum
DBony backbone
Answer & Solution
Correct answer: A. Brain with ganglia
1. Lower invertebrates have only a nerve net.
2. Insects add a brain and several ganglia.
3. So insects have a brain with ganglia.
_Source: syllabus Biology, Chapter 21, Neural Control and Coordination._
Keep practising Neural Control and Chemical Coordination
Browse all Neural Control and Chemical Coordination questions for CBSE Class 11 (Science), or explore more Biology topics.
Related questions
Match each cranial reflex or component with its property:Match each sensory organ structure with its sensory function:Match each phase of nerve impulse transmission with its ionic mechanism:Match each neuroanatomical part of the brain with its primary control function:Which type of neuron is found mainly in the olfactory epithelium and retina?Nissl bodies in neurons are made up of which organelle and its ribosomes?Which three regions together make up the brain stem?Why is the surface of the cerebellum highly convoluted?