Carbohydrates Answers

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1
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In which form do plants store energy?

A
starch
B
glycogen
C
chitin
D
cellulose
2
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The data in the table has been converted into a bar graph, as shown below. Amount of Carbohydrates in Fruit Which reason provides the best explanation of why a bar graph was selected to show the data in the table?

Question illustration
A
Bar graphs are used to compare separate items.
B
Bar graphs are used when data are continuous.
C
Bar graphs are often used to show mass.
D
Bar graphs are the easiest to construct and to read.
3

Which statement best describes both insulin and glucagon?

A
They both provide structural support, but only insulin is a carbohydrate.
B
They both store energy, but only glucagon is a carbohydrate.
C
They are both hormones that regulate blood-sugar levels.
D
They are both hormones that help fight disease.
4

The table below shows the amount of carbohydrates in similar servings of different fruits.Amount of Carbohydrates in Fruit237 mL of FruitCarbohydrates (Grams)Apples17Bananas34Cherries19Grapefruit24Oranges21Peaches16Watermelons12If this data was placed in a bar graph, which statement would describe the graph?

A
The graph would have only four bars shorter than the bar for grapefruits.
B
The graph would have five bars taller than the bar for apples.
C
The graph would have grapefruits and oranges as the tallest bars.
D
The graph would have only one bar shorter than the bar for peaches.
5

The shrimp in the photograph are small crustaceans, related to lobsters and crabs. Photo by Russ Hopcroft, courtesy of the NOAA Which specialized carbohydrate is used in shrimp exoskeletons?

Question illustration
A
cellulose
B
glucagon
C
glycogen
D
chitin
6

People with diabetes often receive insulin injections. What effect does insulin have on the body?

A
It raises blood-sugar levels.
B
It lowers blood-sugar levels.
C
It raises glucagon levels.
D
It lowers glucagon levels.
7

Which is a disaccharide?

A
glucose
B
fructose
C
sucrose
D
cellulose
8

Which provides long-term energy storage?

A
glycogen, because it is a polysaccharide
B
glucagon, because it is a complex protein
C
glucose, because it is a monosaccharide
D
cellulose, because it is a complex carbohydrate
9

Which describes the complex carbohydrate cellulose?

A
It is composed of a complex arrangement of glucose molecules.
B
It is composed of a complex arrangement of many kinds of macromolecules.
C
It is composed of a complex arrangement of chitin molecules.
D
It is composed of a complex arrangement of multiple disaccharides.
10

The table below shows the amount of carbohydrates in same-size servings of different fruits.Amount of Carbohydrates in Fruit237 mL of FruitCarbohydrates (Grams)Apples17Bananas34Cherries19Grapefruit24Oranges21Peaches16Watermelons12Among apples, cherries, oranges, and watermelons, a serving of which fruit would raise the level of sugar in blood by the least amount?

A
oranges
B
apples
C
cherries
D
watermelons

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