Answer the following: (a) Which part of the ear determines the pitch of a sound? (b) Which part of the human brain is the most developed? (c) Which part of our central neural system acts as a master clock?

(a) Cochlea determines the pitch of a sound.
(b) Forebrain is largest and the most developed part of the human brain.
(c) Hypothalamus acts as a master clock of the human body.

For more answers visit to website:
https://www.tiwariacademy.com/ncert-solutions/class-11/biology/chapter-21/