Exam Category
Biology
Showing 1,029 questions & PYQs organized by topics.
Biology
Human Body
10 Topics
01
During each breathing cycle, when air is taken in and thrown out,…
RRB PYQ MCQ
02
Which one of the following combines with O₂ to provide energy in…
RRB PYQ MCQ
03
Exchange of respiratory gases occurs through _____ in the lungs.
RRB PYQ MCQ
04
What is the function of alveoli?
RRB PYQ MCQ
05
Breathing is harder at high altitudes compared to sea level because _____.
RRB PYQ MCQ
06
Anaerobic respiration occurs in the absence of _____.
RRB PYQ MCQ
07
The maximum amount of air that can be exhaled after maximal inspiration…
RRB PYQ MCQ
08
Which life process converts chemical energy into heat energy?
RRB PYQ MCQ
09
What is the role of cilia in the respiratory tract?
RRB PYQ MCQ
10
A protruding part of the throat associated with the growing voice box…
RRB PYQ MCQ