Study the diagram given below and answer the questions that follow :

(a) Identify the defect of the eye by mentioning the technical term.

(b) Mention one reason for this defect.

(c) Name the type of lens used to correct this defect.

Give the biological terms for the three tiny bones present in the middle ear.

Give the full form of the abbreviation ACTH. Which gland secretes this hormone?

Define the term Synapse. How are Cytons and Axons of neurons placed in the Cerebrum?