Step 1: Understanding the Question:
"Dammar" is a highly important commercial resin. The question asks for the botanical family of trees that produce it.
Step 2: Detailed Explanation:
• Dipterocarpaceae (C): This family includes major Asian timber trees like Sal (Shorea robusta) and *Hopea*. These trees produce a natural resin known as "Dammar."
• Sal Dammar: In India, Sal trees yield "Ral" or "Laha," which is a type of Dammar. It is used in varnishes, printing inks, and for caulking boats. It is also burned as incense in temples.
• Pinaceae (B): Produces "Rosin" and turpentine, not Dammar.
• Economic Value: Dammars are among the most important non-timber forest products (NTFPs) of the tropical forests of South and Southeast Asia.
Step 3: Final Answer:
Dammar resin is produced by trees of the family Dipterocarpaceae.