DENDROLOGY AND SOCIETY
PLANT CLASSIFICATION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The sticky substance that protects a pine tree from diseases and insects when a branch is broken is called ____
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fronds
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fiddleheads
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resin
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tubers
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Explanation:
Detailed explanation-1: -Gum-resins are used in incense, perfume, medicine, flavoring, cosmetics, and dentistry. Many plants contain gums, resins, and gum resins.
Detailed explanation-2: -Resins are a mixture of organic compounds mainly composed of terpenes. Gums are made of polysaccharides and their derivatives. They are soluble in various organic liquids but not in water. They are water-soluble or rather absorb water well.
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