BIO XI 5.6

 BIO XI 5.6

CHAPTER 21: NEURAL CONTROL AND COORDINATION

1. Differentiate (i) CNS from PNS(ii) Afferent & Effernt fibres (iii) Myelinated & unmyelinated nerve fibre.

2. Draw a well labeled diagram of neuron.

3. Define nerve impulse. Explain how a nerve impulse is propagated across non- myelinated nerve fibre.

4. Explain the structure of synapse.

5. What are the two types of synapse?

6. Explain the various components of fore brain, midbrain & hind brain.

7. Sketch the reflex arc.

8. Draw a neat labeled diagram of eye.

9. Explain the various parts of eye.

10. Draw a neat labeled diagram of various parts of ear.

11. Differentiate between

(i)impulse conduction in myelinated nerve fibre & unmyelinated nerve fibre.

(ii)aqueous humor & vitreous humor 

(iii) blind spot & yellow spot 

(iv)cranial nerves & spinal nerves 

(v) rods & cones 

(vi) Dendrites & axons.

(vii)myelinated & unmyelinated axons.

(viii)thalamus & hypothalamus 

(ix) resting potential & action potential

12. Give a brief account of

(a) mechanism of synaptic transmission 

(b) mechanim of vision.(c)mechanism of hearing.