Download App

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

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
Transport of O2​ is done by:
  • A
    Plasma
  • B
    RBC
  • C
    Lungs
  • D
    Nostrils
✓

Answer

  1. RBC

Explanation:

RBC contains haemoglobin a molecule made up four subunits each of them contains iron which is bound to haem group is responsible for the transport of oxygen in the blood from lungs to tissue and vice versa and a single molecule is able to carry four oxygen atoms at a time.

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

Select the correct statement w.r.t. Krebs cycle
→
The calcium receptive protein of the muscle is:
→
Aerobic respiration is called
→
A nucleoside differs from a nucleotide in not having
→
Total number of bones in the hind limb of man is:
→
Bilaterally symmetrical and acoelomate animals are exemplified by
→
When the anthers do not possess pollen grains at all, these are known as
→
Girth of a dicot stem is increased by
→
Choose correct pair :

class - Character

→
Which one of the following is associated with osmoregulation in amoeba
→