Start learning →

Carbon monoxide from incomplete burning of petrol is dangerous because it:

AReduces blood oxygen capacity
BBurns exposed skin badly
CDissolves marble statues
DBlocks sunlight from crops
Answer & Solution
Correct answer: A. Reduces blood oxygen capacity
1. It is a poisonous gas from vehicles. 2. It cuts the blood's oxygen-carrying capacity. 3. Complete burning gives carbon dioxide instead. _Source: syllabus Science, Chapter 18, Pollution of Air and Water._
Practise this question with Quill — UPSC CSE →

Keep practising Environment & Ecology

Browse all Environment & Ecology questions for UPSC CSE, or explore more Environment topics.

Start a Environment & Ecology lesson →
Related questions