CBSE Class 11 Biology Neural Control And Coordination Worksheet Set D

NEURAL CONTROL AND COORDINATION

→ Very Short Answer Questions:

1. Name the basic units of neural system. Comment on neural system in insects and hydra.

2. Coordination is important for homeostasis in our body. What is the meaning of the term coordination in this context?

3. Name the chemicals released in synaptic junction.

4. Name the fluid present in membranous labyrinth.

5. To which part of the brain communication and memory are associated?

6. Why can impulses flow only in one direction?

7. Based on the number of axon and dendrites, differentiate the types of neurons.

8. Which sensory organ is involved in vertigo (sensation of oneself or objects spinning around)?

→ Short answer questions:

9. Explain the mechanism of generation and conduction of nerve impulse.

10. What is meant by resting potential and action potential with respect to neural transmission?

11. Write a note on - Organ of corti and Vestibular apparatus.

12. Differentiate between :

a) Rods and Cones
b) Oval window and Round window
c) Aqueous humor and Vitreous humor
d) Cranial nerves and Spinal nerves
e) Blind spot and Yellow spot

13. Give a brief account on:

a) The mechanism of vision
b) The mechanism of hearing

14. What are synapses? Explain the events of synaptic transfer of nerve impulses specifying the role of neurotransmitters?

15. What are ear ossicles? Mention its function.

Draw well labeled diagrams of:

A. Impulse conduction through an axon B. Parts of an eye
C. Axon terminal and synapse D. Entire View of an ear
E. Sagital section of the human brain F. Sectional view of cochlea

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