Download App

STD 11 - 14. Breathing and exchange in gases — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 14. Breathing and exchange in gases1 Mark
MCQ
Air moves into the lungs when
  • A
    Atmospheric pressure is less than pressure within the lungs
  • ✓
    Atmospheric pressure is greater than pressure within the lungs
  • C
    Atmospheric pressure is equal to the pressure within the lungs
  • D
    None of these
✓

Answer

Correct option: B.
Atmospheric pressure is greater than pressure within the lungs
b
It’s obvious.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 14. Breathing and exchange in gases→STD 11 - 14. Breathing and exchange in gases — all question types→BIOLOGY STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Pancreatic juice and hormones of pancreas are produced by:
→
Which one of the following is due energy currency of the cell or The common immediate source of energy in cellular activity is
→
Experiments on Acetabularia by Hammerling proved the role of:
→
Another effect of angiotensin $II$ is.
→
The nucleoplasm is continuous with the cytoplasm of a cell through
→
Many elements are found in living organisms either free or in the form of compounds. Which of the following is not found in living organisms?
→
A plant hormone used for inducing morphogenesis in plant tissue culture is:
→
Correct order of excretory organs in cockroach, earthworm and rabbit respectively is:
→
Carbon dioxide liberates during
→
Cartilaginous fishes are characterised by the presence of
→