# How CO emitted by automobiles prevents transport of O2 in the body tissues? with Answer - Forestry Mcqs | TestPrep

> Solved MCQ: How CO emitted by automobiles prevents transport of O2 in the body tissues? Correct Answer: C. By forming a stable compound with haemoglobin. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

- [NTS Test Prep](https://test-prep.blog/exams/nts)
- [FPSC Past Papers](https://test-prep.blog/exams/fpsc)
- [PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)
- [PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)
- [UET ECAT Prep](https://test-prep.blog/exams/ecat)
- [CSS Central Superior](https://test-prep.blog/exams/css)

- [Forestry Mcqs](https://test-prep.blog/categories/forestry-mcqs)
Difficulty: Easy 89% Accuracy

# How CO emitted by automobiles prevents transport of O2 in the body tissues?

Direct Answer & Quick Reference

The correct option is **C. By forming a stable compound with haemoglobin**.

A. By changing O2 into CO

B. By destroying the haemoglobin

C. By forming a stable compound with haemoglobin **(Correct Answer)**

D. By obstructing the reaction of O2 with haemoglobin

✨ Explain with AI

Verified Key: C. By forming a stable compound with haemoglobin
Solved by 3,434+ students

Verified against official examination board answer keys and standard curriculum textbooks.

- [Previous Question Reclamation of dry sites without irrigation is / are : _____ ?](https://test-prep.blog/mcq/reclamation-of-dry-sites-without-irrigation-is-are-df518aae-28c4-44b3-b1ab-6a1e5a45eaee)
- [Next Question Highway planting is / are : _____ ?](https://test-prep.blog/mcq/highway-planting-is-are-47663ff7-be7d-44d9-a5c3-2eaea2ef4531)

- [Practice More Forestry Mcqs MCQs](https://test-prep.blog/quiz/smart?category=forestry-mcqs)
- [How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for Forestry Mcqs categorized with explanations.

- [Browse All Forestry Mcqs MCQs →](https://test-prep.blog/categories/forestry-mcqs)

## Related Questions

- [Reclamation of dry sites without irrigation is / are : _____ ?](https://test-prep.blog/mcq/reclamation-of-dry-sites-without-irrigation-is-are-df518aae-28c4-44b3-b1ab-6a1e5a45eaee)
- [Highway planting is / are : _____ ?](https://test-prep.blog/mcq/highway-planting-is-are-47663ff7-be7d-44d9-a5c3-2eaea2ef4531)
- [Cultural practice is / are : _____ ?](https://test-prep.blog/mcq/cultural-practice-is-are-f15c2ae8-8362-4575-91b4-6431c01cbba0)
- [The major types of mulching are: _____ ?](https://test-prep.blog/mcq/the-major-types-of-mulching-are-99c0187b-339a-4816-b212-ea7134499893)
- [The effects of mulches, irrespective their composition, are attributed to: _____ ?](https://test-prep.blog/mcq/the-effects-of-mulches-irrespective-their-composition-are-attributed-to-366c9bed-dec9-4f4b-a4b0-212d59950f0c)

---
*Source: https://test-prep.blog/mcq/how-co-emitted-by-automobiles-prevents-transport-of-o2-in-the-body-tissues-5423ed07-57d4-4047-a6e3-4066cb52ff0a*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*