If a large number of people are enclosed in a room,then

  • A
    Oxygen decreases and carbon dioxide increases
  • B
    Oxygen increases and carbon dioxide decreases
  • C
    Both oxygen and carbon dioxide decreases
  • D
    Both oxygen and carbon dioxide increases

Explore More

Similar Questions

Which structure is not concerned with breathing in a frog?

Describe the metabolic processes of living organisms in relation to gas exchange.

Whales are air-breathers but can live underwater for a long time because they possess:

Which of the following are the correct statements regarding respiration in humans?

If a man from the sea coast goes to the Everest peak,then:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo