Differentiate between the following pair on the basis of what is mentioned within bracket:
Rods and cones of Retina. (Type of pigment)

Briefly answer the following questions:
What is the function of ear ossicles? 

Draw a neat and labelled diagram of the following:
A myelinated neuron. 

Name the following:

The cell body of a nerve cell.

Choose the correct answer from the four options given below:
Which one of the following in mainly associated with the maintenance of the posture?

• Cerebrum

• Cerebellum

• Thalamus

• Thalamus