RBSE Solutions for Class 12 Biology Chapter 23 Man-Respiratory System

January 7, 2021August 5, 2019 by Prasanna

Rajasthan Board RBSE Class 12 Biology Chapter 23 Man-Respiratory System RBSE Class 12 Biology Chapter 23 Multiple Choice Questions Question 1. Energy used in respiration is – (a) Physical energy (b) Chemical energy (c) Kinetic energy (d) Electric energy Answer: (b) Chemical energy Question 2. During inhalation, the diaphragm is – (a) Oblique (b) Dome-shaped (c) … Read more