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

• Pons

Briefly answer the following questions:

What is the function of ear ossicles? 

Differentiate between the following pair on the basis of what is mentioned within bracket:

Rods and cones of Retina. (Type of pigment)

Draw a neat and labelled diagram of the following:

A myelinated neuron.