Curated PYQ Collection
Biology
Showing 1,186 questions & PYQs organized by topics.
Biology
Human Body
10 Topics
01
Identify the correct labels a, b and c in the human respiratory-system…
RRB PYQ MCQ
02
When respiration takes place in the absence of oxygen, it is called…
RRB PYQ MCQ
03
Which of the following statements is FALSE?
RRB PYQ MCQ
04
The main reason we are dependent on air is our _____.
RRB PYQ MCQ
05
Aerobic respiration requires the presence of _____.
RRB PYQ MCQ
06
What part of the respiratory system prevents the air passage from collapsing?
RRB PYQ MCQ
07
Which of the following statements related to respiration is/are correct? (i) Pyruvate…
RRB PYQ MCQ
08
What is the reason that the lungs have alveoli?
RRB PYQ MCQ
09
Which of the following ensures that the air passage does NOT collapse…
RRB PYQ MCQ
10
In humans, air enters through the nostrils and from there flows through…
RRB PYQ MCQ