Oxygen $(O_{2})$ is utilised by an organism to

  • A
    Directly to breakdown the nutrient molecules
  • B
    Indirectly as an electron acceptor to form water
  • C
    Directly as an enzyme for oxidation of food
  • D
    Indirectly to activate enzymes for breakdown of food

Explore More

Similar Questions

In which of the following are iron-porphyrin protein complexes found?

“Mitchell's chemiosmotic theory” belongs to

Which of the following is not an electron transferring molecule?

Which final cytochrome in the respiratory chain donates electrons to oxygen?

Cytochrome $a$ is a/an:

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