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1 | |
Hydrocarbons with single carbon-to-carbon bonds are known as |
| | A) | alkanes. |
| | B) | alkenes. |
| | C) | alkynes. |
| | D) | aromatic hydrocarbons. |
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2 | |
The R in R-COOH or R-C=O stands for |
| | A) | a reactive atom. |
| | B) | a separate functional group. |
| | C) | any hydrocarbon group. |
| | D) | a rigid part of the molecule. |
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3 | |
To which category does the molecule below belong?
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| | A) | alkane |
| | B) | alkene |
| | C) | alkyne |
| | D) | aromatic hydrocarbon |
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4 | |
Sucrose is an example of a |
| | A) | monosaccharide. |
| | B) | disaccharide. |
| | C) | polysaccharide. |
| | D) | fruit sugar. |
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5 | |
An alkane with 3 carbon atoms would have how many hydrogen atoms in the molecule? |
| | A) | 4 |
| | B) | 6 |
| | C) | 8 |
| | D) | 10 |
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6 | |
Proteins have as their basic repeating unit (monomer) |
| | A) | monosaccharide. |
| | B) | amino acid. |
| | C) | fatty acid. |
| | D) | nucleotide. |
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7 | |
Compounds with the general structural formula RCOOH are known as |
| | A) | esters. |
| | B) | carboxylic acids. |
| | C) | aldehydes. |
| | D) | fats. |
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8 | |
Starch is a polymer formed by the linking of many |
| | A) | saccharides. |
| | B) | amino acids. |
| | C) | triglycerides. |
| | D) | peptides. |
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9 | |
Nucleotides have which three components? |
| | A) | sugar, phosphate, and nitrogenous base |
| | B) | sugar, phosphate, and amino acid |
| | C) | glycerol, fatty acid, and amino acid |
| | D) | monosaccharide, amino acid, and phosphate |
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10 | |
Organic compounds responsible for flavors in fruits and the scent of flowers are |
| | A) | esters. |
| | B) | ethers. |
| | C) | alcohols. |
| | D) | ketones. |
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