AP BIOLOGY

PLANTS

CLASSIFICATION OF PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The sticky substance that protects a pine tree from diseases and insects when a branch is broken is called ____
A
fronds
B
fiddleheads
C
resin
D
tubers
Explanation: 

Detailed explanation-1: -resin, any natural or synthetic organic compound consisting of a noncrystalline or viscous liquid substance. Natural resins are typically fusible and flammable organic substances that are transparent or translucent and are yellowish to brown in colour.

Detailed explanation-2: -Tree resin has several different names, including gum and pitch. It is thick, sticky, and usually an amber colour (which stands to reason, since amber is fossilized resin). It is generally produced by coniferous trees, and is different from sap, which is a watery substance produced by all trees.

Detailed explanation-3: -Resins are plant products that, are not soluble in water, harden when exposed to air, do not play a role in the fundamental processes of the plant, and. are generally produced by woody plants.

Detailed explanation-4: -It is often used to fix broken objects or to create a sealant. The adhesive will harden and form a strong bond once mixed together. This makes epoxy resin ideal for repairing items such as vases, figurines, ornaments, and more. Epoxy resin is a versatile adhesive that can be used for various repairs.

There is 1 question to complete.