71.

In a homozygous pea plant, axial flowers (A) are dominant over terminal flowers (a).

Name two genetic disorders commonly seen in human males.

The diagram given below is an external view of the human brain. Study the same and answer the questions that follow :



Name the parts labelled A, B and C in the diagram.

The diagram given below is an external view of the human brain. Study the
same and answer the questions that follow :



State the main functions of the parts labelled A and B.

The diagram given below is an external view of the human brain. Study the
same and answer the questions that follow :

What are the structural and functional units of the brain? How are the
parts of these units arranged in A and C?

The diagram given below is an external view of the human brain. Study the same and answer the questions that follow :



Mention the collective term for the membranes covering the brain.

The diagram given below is an external view of the human brain. Study the
same and answer the questions that follow :



What is the function of Cerebrospinal fluid?