The diagram given below is an external view of the human brain. Study the same and answer the questions that follows:
Name the parts labelled $A,B$ and $C$ in the diagram.

Q. The diagram given below is an external view of the human brain. Study the same and answer the questions that follows:
What are the structural and functional units of the brain? How are the parts of these units arranged in $A$ and $C$?

Q. The diagram given below is an external view of the human brain. Study the same and answer the questions that follows:
Mention the collective term for the membranes covering the brain.

Q. The diagram given below is an external view of the human brain. Study the same and answer the questions that follows:
What is the function of Cerebrospinal fluid?

Q. Given below is a diagram of a part of the human ear. Study the same and answer the questions that follow:
(ii) Name the parts labeled A, B and C in the diagram.

Q. Given below is a diagram depicting a defect of the human eye? Study the same and answer the questions that follow. (c) Name the parts labeled 1 to 4.