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Primitive nervous system is formed in...

Primitive nervous system is formed in

A

Sponge

B

Cnidaria

C

Echinodermata

D

Annelida

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The correct Answer is:
B
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PRADEEP-NEURAL CONTROL AND CORRDINATION-Practive Question (Multiple Choice Questions)
  1. Vomiting centre is located in the

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  2. The neurotransmitter product at the synapse and neuromuscular junction...

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  3. Primitive nervous system is formed in

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  4. The chemical causing the transmission of nerve impulse across synapses...

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  5. Satiety centres of brain is present on

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  6. Themoregulatory centre in the body of bomeothermal animal and man is f...

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  7. Areas where the myelin sheath is absent in the nerve fibre is called

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  8. Which part of human brain is concerned with the regulation of body tem...

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  9. Chemicals which are released at the synaptic junction are called

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  10. Potential difference across resting membrane is negatively charged. Th...

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  11. Resting membrane potential is maintained by

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  12. The function of our visceral organs is controlled by

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  13. Which of the following is not involved in knee-jerk reflex ?

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  14. An area in the brain which is associated with strong emotion is

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  15. Mark the vitamin present in rhodopsin

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  16. Human eye ball consists of three layers and it encloses

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  17. Wax gland present in the ear canal is called

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  18. The part of internal ear responsible for hearing is

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  19. The organ of Corti is a structure present in

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  20. The nerve centres which control the body temperature and the urge for ...

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