Biology ยท General Awareness
Human Health and Nutrition
1,275 Questions
Human Health and Nutrition focuses on dietary requirements, daily intake recommendations, and the physiological effects of various nutrients. It includes topics such as water consumption, fiber intake, and allergies. These questions are vital for the biology and general science sections of multiple competitive exams.
Recommended Daily IntakeMacronutrient ContentVitamin RequirementsFood AllergiesDigestive HealthHydration Guidelines
Human Health and Nutrition Questions
What is the recommended sodium intake for cyclists during exercise?
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200-400 milligrams per hour
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400-600 milligrams per hour
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600-800 milligrams per hour
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800-1000 milligrams per hour
B
Correct answer
Explanation
Cyclists should aim for a sodium intake of 400-600 milligrams per hour during exercise to maintain electrolyte balance and prevent hyponatremia.
What is the maximum blood alcohol concentration (BAC) limit for a commercial motor vehicle driver?
A
Correct answer
Explanation
The maximum BAC limit for a commercial motor vehicle driver is 0.04%, which is lower than the legal limit for non-commercial drivers in most states.
What is the recommended daily intake of nuts and seeds, according to the Dietary Guidelines for Americans?
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1 ounce
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2 ounces
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3 ounces
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4 ounces
A
Correct answer
Explanation
The Dietary Guidelines for Americans recommends consuming 1 ounce of nuts and seeds per day as part of a healthy diet.
What is the recommended daily intake of added sugars, according to the Dietary Guidelines for Americans?
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6 teaspoons
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9 teaspoons
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12 teaspoons
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15 teaspoons
A
Correct answer
Explanation
The Dietary Guidelines for Americans recommends limiting added sugars to 6 teaspoons per day for women and 9 teaspoons per day for men.
What is the recommended daily intake of fiber, according to the Dietary Guidelines for Americans?
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25 grams
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30 grams
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35 grams
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40 grams
A
Correct answer
Explanation
The Dietary Guidelines for Americans recommends consuming 25 grams of fiber per day for women and 38 grams per day for men.
What is the recommended daily intake of protein, according to the Dietary Guidelines for Americans?
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0.8 grams per kilogram of body weight
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1.0 grams per kilogram of body weight
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1.2 grams per kilogram of body weight
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1.5 grams per kilogram of body weight
A
Correct answer
Explanation
The Dietary Guidelines for Americans recommends consuming 0.8 grams of protein per kilogram of body weight per day.
What is the typical fat content of butter?
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10-15%
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20-25%
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30-35%
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40-45%
Correct answer
Explanation
Butter typically contains a high percentage of fat, usually ranging from 80% to 85%.
What is the maximum permissible limit of heavy metals in food packaging materials?
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10 ppm
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20 ppm
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30 ppm
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40 ppm
B
Correct answer
Explanation
The maximum permissible limit of heavy metals in food packaging materials is 20 ppm, as specified in the Food Safety and Standards (Packaging and Labelling) Regulations, 2011.
How much water should an athlete drink per day?
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8 cups
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10 cups
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12 cups
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It depends on the athlete's activity level and sweat rate
D
Correct answer
Explanation
The amount of water an athlete needs to drink per day depends on their activity level and sweat rate.
How much water should athletes drink per day?
-
8 cups
-
10 cups
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12 cups
-
It depends on the individual
D
Correct answer
Explanation
The amount of water that athletes need to drink per day depends on a number of factors, including their activity level, climate, and sweat rate. A general guideline is to drink 8 cups of water per day, but athletes may need to drink more or less depending on their individual needs.
What is the typical range for fasting blood sugar levels in a healthy individual?
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70-100 mg/dL
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100-125 mg/dL
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126-140 mg/dL
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140-160 mg/dL
A
Correct answer
Explanation
In a healthy individual, fasting blood sugar levels typically range from 70 to 100 mg/dL (milligrams per deciliter).
What is the approximate number of calories in a medium-sized mango?
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100-150
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150-200
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200-250
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250-300
C
Correct answer
Explanation
A medium-sized mango typically contains between 200 and 250 calories.
What is the recommended daily intake of fruits and vegetables?
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2-3 servings
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5-9 servings
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1-2 servings
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4-6 servings
B
Correct answer
Explanation
The World Health Organization recommends that adults consume at least 5-9 servings of fruits and vegetables per day.
What is the recommended daily intake of chocolate for optimal health benefits?
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1 ounce
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2 ounces
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3 ounces
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4 ounces
A
Correct answer
Explanation
Moderate consumption of dark chocolate, approximately 1 ounce per day, is recommended for optimal health benefits.
What is the recommended daily intake of chocolate for individuals with diabetes?
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1 ounce
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2 ounces
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3 ounces
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4 ounces
A
Correct answer
Explanation
Individuals with diabetes should consume chocolate in moderation, with a recommended daily intake of approximately 1 ounce.