1.
The most common grape juice in North America is _________
Correct Answer
D. Concord grapes
Explanation
Concord grapes are the most common grape variety used to make grape juice in North America. They are known for their sweet and robust flavor, making them a popular choice for juice production. Niagara grapes are also commonly used in grape juice production, but Concord grapes are more widely recognized and consumed. Sultana grapes are typically used for raisins and not commonly used for grape juice. White grapes, while used for juice production, are not as prevalent as Concord grapes in North America.
2.
What percentage of world grapes is used for wine according to FAO?
Correct Answer
D. Approximately 71%
Explanation
Approximately 71% of world grapes are used for wine according to FAO. This suggests that a significant majority of grapes globally are grown specifically for the purpose of producing wine. This high percentage indicates the importance and popularity of wine production on a global scale.
3.
The second most common grape is named ___________
Correct Answer
D. Airén
Explanation
Airén is the correct answer because it is widely cultivated and is the second most planted grape variety in the world. It is primarily grown in Spain, particularly in the La Mancha region, and is known for its high productivity and ability to withstand hot and dry climates. Airén is often used for the production of brandy and is not as well-known for wine production compared to other grape varieties such as Cabernet Franc, Riesling, and Merlot.
4.
What are dried grapes called in North America and Europe?
Correct Answer
D. Raisins
Explanation
Dried grapes are commonly known as raisins in North America and Europe. Raisins are grapes that have been dried naturally or through artificial means, resulting in a sweet and chewy fruit. They are widely used in baking, cooking, and as a snack on their own. Sultana grapes, currants, and Concord grapes are all different varieties of grapes, but they are not specifically referred to as dried grapes in these regions.
5.
Consumption of grape bring the following benefits except
Correct Answer
A. Alteration of iodine activy
Explanation
Grape consumption has numerous benefits including decreased activity of angiotensin, reduction of vascular damage, and a low risk of heart disease. However, it does not cause alteration of iodine activity.
6.
In what quantity is resveratrol present in a fresh grape fruit?
Correct Answer
D. 50-100 micrograms
Explanation
Resveratrol is a natural compound found in various plants, including grapes. It is known for its antioxidant properties and potential health benefits. According to the given answer, a fresh grapefruit contains 50-100 micrograms of resveratrol. This suggests that consuming a grapefruit can provide a moderate amount of this compound, which may contribute to its potential health benefits.
7.
What is the main polyphenolic present in purple grapes?
Correct Answer
D. Anthocyanins
Explanation
Anthocyanins are the main polyphenolic compounds present in purple grapes. These compounds are responsible for the purple color of the grapes and have been found to have numerous health benefits. They are powerful antioxidants that help protect against oxidative stress and inflammation. Anthocyanins have also been linked to improved cardiovascular health, cognitive function, and cancer prevention. Overall, they play a significant role in the nutritional value and health-promoting properties of purple grapes.
8.
Which of these is the most important Asian species of grape?
Correct Answer
C. Vitis amurensis
Explanation
Vitis amurensis is considered the most important Asian species of grape because it is native to eastern Asia and is widely cultivated in countries like China, Japan, and Korea. It is known for its cold-hardiness and disease resistance, making it suitable for cultivation in harsh climates. Vitis amurensis is also valued for its unique flavors and is used for making wines, juices, and traditional medicinal products. Its significance in Asian grape cultivation and its adaptability to various conditions make it the most important Asian species of grape.
9.
Which of these is not an end product of grape fruit?
Correct Answer
A. Ice cream
Explanation
Grapefruit is a citrus fruit known for its tangy and slightly bitter taste. It is commonly used to make various products such as jelly, jam, and grape seed oil. However, ice cream is not typically made from grapefruit. Ice cream is a frozen dessert that is usually made from dairy products, sugar, and flavorings such as fruits, chocolate, or nuts. While grapefruit can be used as a flavoring in some ice cream recipes, it is not a direct end product of grapefruit itself.
10.
What variety of grape is native to eastern U.S?
Correct Answer
D. Vitis riparia
Explanation
Vitis riparia is the correct answer because it is a variety of grape that is native to the eastern U.S. This grape variety is commonly known as the riverbank grape and is well adapted to the climate and soil conditions of the region. It is often used in winemaking and is known for its cold hardiness and disease resistance.