Crack the Nutty Knowledge: National Walnut Day Quiz!
Welcome to the National Walnut Day Quiz! This quiz is designed to test your knowledge about walnuts, their history, health benefits, and interesting facts. Celebrated on June 14th every year, National Walnut Day honors the nutritious and delicious walnut. Walnuts are not only a tasty snack but also provide numerous health benefits, making them a popular choice among health-conscious individuals.
The questions have been carefully curated to offer an enjoyable and educational experience for participants. If you like this quiz, share it with your friends. All the best!
- 1.
Which part of the walnut is commonly eaten?
- A.
Kernel
- B.
Shell
- C.
Husk
- D.
Leaf
Correct Answer
A. KernelExplanation
The kernel is the edible part of the walnut that is commonly eaten. It is the inner part of the nut that is surrounded by the hard shell. The kernel is rich in nutrients and has a distinct flavor, making it a popular ingredient in various dishes and desserts. The shell, husk, and leaf of the walnut are not typically consumed.Rate this question:
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- 2.
What is the scientific name of the walnut tree?
- A.
Carya illinoinensis
- B.
Prunus dulcis
- C.
Juglans regia
- D.
Corylus avellana
Correct Answer
C. Juglans regiaExplanation
Juglans regia is the correct answer because it is the scientific name for the walnut tree. The scientific name of an organism is a standardized way of identifying and classifying it, and Juglans regia specifically refers to the common walnut tree. Carya illinoinensis refers to the pecan tree, Prunus dulcis refers to the almond tree, and Corylus avellana refers to the hazelnut tree. Therefore, only Juglans regia is the correct scientific name for the walnut tree.Rate this question:
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- 3.
Which omega-3 fatty acid is found in walnuts?
- A.
Alpha-linolenic acid (ALA)
- B.
Eicosapentaenoic acid (EPA)
- C.
Docosahexaenoic acid (DHA)
- D.
Linoleic acid (LA)
Correct Answer
A. AlpHa-linolenic acid (ALA)Explanation
Walnuts contain alpha-linolenic acid (ALA), which is an omega-3 fatty acid. ALA is essential for the body as it cannot be produced naturally and must be obtained from food sources. It plays a crucial role in brain function, heart health, and reducing inflammation. Walnuts are a great plant-based source of ALA and are commonly recommended for individuals who follow a vegetarian or vegan diet.Rate this question:
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- 4.
Which vitamin is abundant in walnuts?
- A.
Vitamin A
- B.
Vitamin B
- C.
Vitamin C
- D.
Vitamin E
Correct Answer
D. Vitamin EExplanation
Walnuts are abundant in Vitamin E. Vitamin E is a fat-soluble vitamin that acts as an antioxidant in the body, protecting cells from damage caused by free radicals. It also plays a role in immune function and helps in the formation of red blood cells. Walnuts are a good source of Vitamin E, making them a beneficial food to include in the diet to meet the body's Vitamin E requirements.Rate this question:
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- 5.
Which country is the largest producer of walnuts globally?
- A.
China
- B.
South Korea
- C.
Iran
- D.
India
Correct Answer
A. ChinaExplanation
China is the largest producer of walnuts globally because it has a favorable climate and suitable soil conditions for walnut cultivation. The country has a long history of walnut production and has invested in advanced farming techniques and technology to increase productivity. China's large land area and extensive agricultural resources also contribute to its ability to produce a significant quantity of walnuts. Additionally, China has a well-established infrastructure for processing and exporting walnuts, further solidifying its position as the top producer in the world.Rate this question:
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- 6.
What is the shelf life of unshelled walnuts?
- A.
1-2 weeks
- B.
2-4 weeks
- C.
6-12 months
- D.
2-3 years
Correct Answer
C. 6-12 monthsExplanation
Unshelled walnuts have a longer shelf life compared to shelled walnuts because the shell provides protection against moisture and air. The high oil content in walnuts makes them susceptible to spoilage, but the shell helps to slow down this process. Therefore, unshelled walnuts can be stored for a longer period of time, typically between 6 to 12 months, if kept in a cool, dry place.Rate this question:
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- 7.
What is the ideal storage temperature for walnuts?
- A.
Room temperature (around 70°F or 21°C)
- B.
Refrigerator temperature (around 40°F or 4°C)
- C.
Freezer temperature (around 0°F or -18°C)
- D.
Any temperature is suitable
Correct Answer
B. Refrigerator temperature (around 40°F or 4°C)Explanation
Walnuts should be stored at refrigerator temperature (around 40°F or 4°C) because it helps to preserve their freshness and prevent them from going rancid. The cool temperature of the refrigerator slows down the oxidation process, which can cause the nuts to spoil. Additionally, storing walnuts in the refrigerator helps to maintain their natural oils and flavors, ensuring that they stay delicious and crunchy for a longer period of time.Rate this question:
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- 8.
What is the traditional symbolic meaning associated with walnuts?
- A.
Prosperity
- B.
Love
- C.
Wisdom
- D.
Courage
Correct Answer
C. WisdomExplanation
Walnuts are often associated with wisdom due to their resemblance to the human brain. In many cultures, the walnut's unique shape and intricate folds have led to the belief that consuming walnuts can improve cognitive function and enhance mental abilities. This symbolic meaning of wisdom is deeply rooted in folklore and has been passed down through generations. Therefore, the correct answer to the question is wisdom.Rate this question:
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- 9.
What is the primary type of fat found in walnuts?
- A.
Saturated fat
- B.
Trans fat
- C.
Monounsaturated fat
- D.
Polyunsaturated fat
Correct Answer
D. Polyunsaturated fatExplanation
Walnuts are known to be rich in polyunsaturated fats, specifically omega-3 and omega-6 fatty acids. These types of fats are considered to be healthy fats as they can help lower bad cholesterol levels and reduce the risk of heart disease. Therefore, the primary type of fat found in walnuts is polyunsaturated fat.Rate this question:
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- 10.
What is the process of removing the outer green husk from a walnut called?
- A.
Shelling
- B.
Hulling
- C.
Peeling
- D.
Cracking
Correct Answer
B. HullingExplanation
Hulling is the correct answer because it refers to the process of removing the outer green husk from a walnut. Shelling refers to removing the shell of the walnut itself, while peeling refers to removing the skin of the walnut. Cracking refers to breaking the shell of the walnut to access the nut inside.Rate this question:
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Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Jun 21, 2023Quiz Edited by
ProProfs Editorial Team -
Jun 14, 2023Quiz Created by
Amit Mangal
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