Download App

Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
When CO2 concentration in blood increases, breathing becomes:
  • A
    Slow and deep.
  • B
    Faster and deeper.
  • C
    There is no effect on breathing.
  • D
    Shallower and slow.
✓

Answer

  1. Faster and deeper.

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 Breathing and Exchange of Gases→Breathing and Exchange of Gases — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Potato tuber is modified /Edible part of potato is
→
$ATP$ase has
→
Wood is a common name of
→
Annelids are
→
A pyrophosphate cleavage takes place when
→
Proteins are made up of __________
→
Which part of the electron transport system is not a protein?
→
Look at the diagram given below parts labelled as $'A', 'B', 'C', 'D'$ and $'E'$ respectively indicate
→
One of the following is true of muscle contraction.
→
The smallest living cell among the following is :
→