Respiration in Organisms MCQ Questions and Answers for Practice

Welcome to the Respiration in Organisms MCQs section! These multiple-choice questions are designed to help students and exam aspirants test and improve their understanding of respiration processes in various organisms.

About Respiration in Organisms MCQ Questions

Respiration in Organisms MCQs cover essential topics such as the types of respiration (aerobic and anaerobic), the role of oxygen, the respiratory system in different organisms, and the biochemical processes involved. These questions are crafted to ensure a comprehensive understanding of how organisms obtain and utilize energy.

Why Practice Respiration in Organisms Objective Questions?

Practicing these objective questions is beneficial for several reasons. They help students prepare for school and college exams, competitive exams, and interviews. Regular practice enhances your understanding of key concepts, improves recall speed, and builds confidence in answering questions under time constraints.

Who Should Use These MCQs?

  • Students preparing for school or college exams
  • Competitive exam aspirants
  • Candidates preparing for interviews

Respiration in Organisms MCQ Questions for Practice

1. The process of breakdown of food in the cell with the release of energy is called

2. Giving out of air rich in carbon dioxide is called ....................

3. Taking in air rich in oxygen into the body is called _________

4. An adult human being at rest breathes in and out for ................. times in a minute

5. To which disease is smoking linked ?

6. During exhalation the size of the chest cavity ............

7. During heavy exercise, we get cramps in the legs due to the accumulation of ............

8. Name the organism that breathes through its lungs as well as its skin .............

9. In cockroaches, air enters the body through ........................

10. Name the organism which breathes through its skin

11. The air tubes that an insect has are useful for the exchange of ................

12. The small openings in the body of a cockroach are called ...............

13. Name the gas which is used by white blood cells to kill the invading bacteria

14. In earthworms, the exchange of gases occurs through

15. In cockroach, air enters the body through

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