Title: Unit 5 Quiz
Course: ENGY 111 Introduction to Biofuels > Section: ENGY 111 Introduction to Biofuels

Q: Originally the distinction between organic and inorganic compounds was that inorganic compounds were derived from plants and animals.
- True
- False
A: False

Q: Molecular bonds have nothing to do with understanding how biodiesel, ethanol, and the by-products of biofuels are produced.
- True
- False
A: False

Q: The benzene ring has little impact on the chemistry of biofuel production.
- True
- False
A: False

Q: The simplest organic compounds consist only of carbon and hydrogen atoms and are known as hydrocarbons.
- True
- False
A: False

Q: Carbohydrates do not have the suffix -ose.
- True
- False
A: False

Q: Monosaccarides are the smallest carbohydrate units and are classifed as aldoses or ketoses.
- True
- False
A: True

Q: Alkenes are hydrocarbons known as ethane or ethylene and used in the production of plastic bags, squeeze bottles, PVC, shower curtains, garden hoses, Teflon and many other products.
- True
- False
A: True

Q: Alcohols are classified as primary, secondary, and tertiary alcohols.
- True
- False
A: True

Q: Polysaccharides contain thousands of monosaccharides and are found in nature as starch, cellulose, and hemicellulose.
- True
- False
A: True

Q: Starch is not an important energy sources in nature.
- True
- False
A: False

Q: Lignocellulose is the structural component of plants and keeps them from falling over under their own weight.
- True
- False
A: True

Q: Water is the building block of plants.
- True
- False
A: False

Q: Degree of polymerization is the number of glucose units in the cellulose chain of a plant and determines the plants strength.
- True
- False
A: True

Q: Degree of polymerization, or DP, is critical to whether a plant is a good feedstock or not.
- True
- False
A: True

Q: Hemicellulose has lower degree of polymerization than cellulose.
- True
- False
A: True

Q: Lignin is the most non-carbohydrate part of lignocellulose.
- True
- False
A: True

Q: The classifications of lignins are: hardwoods, softwoods, and herbaceous materials.
- True
- False
A: True