Question:
Which one of the following species is called Bad Fuel Woods?
Which one of the following species is called Bad Fuel Woods?
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Ericaceous species like Lyonia ovalifolia contain toxic chemical residues in their tissues, making their wood burn with choking, toxic fumes.
Updated On: Jul 10, 2026
- Grewia optiva
- Lyonia ovalifolia
- Casuarina equisetifolia
- Terminalia bellerica
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
A species' value as fuelwood is determined by its density, moisture content, calorific value, and whether it produces sparks, unpleasant odors, or toxic, irritating smoke when burned.
Step 2: Detailed Explanation:
- Casuarina equisetifolia is widely celebrated as one of the best fuelwoods in the world because it burns with a high calorific value, produces little smoke, and creates long-lasting charcoal.
- Lyonia ovalifolia (commonly known as Angeri) is a small tree found in the Himalayan region. It is classified as a bad fuelwood because its wood contains toxic compounds that release highly irritating, acrid, and toxic smoke when burned. This smoke causes severe irritation to the eyes and respiratory system, making it completely unsuitable for indoor cooking and heating.
Step 3: Final Answer:
Lyonia ovalifolia is known as a bad fuelwood due to its highly irritating and toxic smoke.
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