Biology · General Awareness
Human Health and Nutrition
1,248 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 maximum allowable concentration of lead in drinking water, as per the World Health Organization (WHO) guidelines?
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10 micrograms per liter (µg/L)
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50 micrograms per liter (µg/L)
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100 micrograms per liter (µg/L)
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500 micrograms per liter (µg/L)
A
Correct answer
Explanation
WHO recommends a maximum allowable concentration of 10 µg/L for lead in drinking water.
What is the maximum allowable concentration of fluoride in drinking water, as per the U.S. Public Health Service (USPHS) guidelines?
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0.5 milligrams per liter (mg/L)
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1.0 milligrams per liter (mg/L)
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1.5 milligrams per liter (mg/L)
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2.0 milligrams per liter (mg/L)
B
Correct answer
Explanation
USPHS recommends a maximum allowable concentration of 1.0 mg/L for fluoride in drinking water.
What is the maximum allowable concentration of arsenic in drinking water, as per the World Health Organization (WHO) guidelines?
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10 micrograms per liter (µg/L)
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50 micrograms per liter (µg/L)
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100 micrograms per liter (µg/L)
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500 micrograms per liter (µg/L)
A
Correct answer
Explanation
WHO recommends a maximum allowable concentration of 10 µg/L for arsenic in drinking water.
What is the maximum allowable concentration of chlorine in drinking water, as per the U.S. Environmental Protection Agency (EPA) guidelines?
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1 milligram per liter (mg/L)
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2 milligrams per liter (mg/L)
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3 milligrams per liter (mg/L)
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4 milligrams per liter (mg/L)
D
Correct answer
Explanation
EPA recommends a maximum allowable concentration of 4 mg/L for chlorine in drinking water.
What is the maximum allowable concentration of copper in drinking water, as per the World Health Organization (WHO) guidelines?
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1 milligram per liter (mg/L)
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2 milligrams per liter (mg/L)
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3 milligrams per liter (mg/L)
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4 milligrams per liter (mg/L)
B
Correct answer
Explanation
WHO recommends a maximum allowable concentration of 2 mg/L for copper in drinking water.
What is the maximum allowable concentration of mercury in drinking water, as per the U.S. Environmental Protection Agency (EPA) guidelines?
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2 micrograms per liter (µg/L)
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5 micrograms per liter (µg/L)
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10 micrograms per liter (µg/L)
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15 micrograms per liter (µg/L)
A
Correct answer
Explanation
EPA recommends a maximum allowable concentration of 2 µg/L for mercury in drinking water.
What is the recommended amount of water to drink per day while backpacking?
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1 liter
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2 liters
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3 liters
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4 liters
C
Correct answer
Explanation
It is generally recommended to drink around 3 liters of water per day while backpacking, depending on the weather conditions and level of activity.
What is the recommended daily intake of water for shooting athletes?
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1-2 liters
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2-3 liters
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3-4 liters
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4-5 liters
C
Correct answer
Explanation
Shooting athletes should aim to consume 3-4 liters of water daily to maintain hydration and optimal performance.
What is the recommended daily intake of fruits and vegetables for shooting athletes?
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1-2 servings
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2-3 servings
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3-4 servings
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4-5 servings
D
Correct answer
Explanation
Shooting athletes should aim to consume 4-5 servings of fruits and vegetables daily for optimal health and performance.
What is the recommended daily intake of protein for shooting athletes?
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1-2 grams per kilogram of body weight
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2-3 grams per kilogram of body weight
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3-4 grams per kilogram of body weight
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4-5 grams per kilogram of body weight
B
Correct answer
Explanation
Shooting athletes should aim to consume 2-3 grams of protein per kilogram of body weight daily to support muscle growth and repair.
What is the recommended daily intake of carbohydrates for shooting athletes?
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4-5 grams per kilogram of body weight
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5-6 grams per kilogram of body weight
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6-7 grams per kilogram of body weight
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7-8 grams per kilogram of body weight
C
Correct answer
Explanation
Shooting athletes should aim to consume 6-7 grams of carbohydrates per kilogram of body weight daily to provide sufficient energy for training and competition.
What is the approximate protein content of a 6-ounce serving of plain Greek yogurt?
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10-12 grams
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15-17 grams
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20-22 grams
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25-27 grams
B
Correct answer
Explanation
Greek yogurt is known for its high protein content, with a 6-ounce serving typically providing around 15-17 grams of protein.
What is the approximate sugar content of a 6-ounce serving of plain Greek yogurt?
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5-7 grams
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10-12 grams
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15-17 grams
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20-22 grams
A
Correct answer
Explanation
Plain Greek yogurt typically contains around 5-7 grams of sugar per 6-ounce serving, which is naturally occurring lactose.
What is the typical fat content of a 6-ounce serving of plain Greek yogurt?
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0-2 grams
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3-5 grams
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6-8 grams
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9-11 grams
A
Correct answer
Explanation
Plain Greek yogurt is typically low in fat, with a 6-ounce serving containing around 0-2 grams of fat.
What is the approximate calorie content of a 6-ounce serving of plain Greek yogurt?
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80-100 calories
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120-140 calories
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160-180 calories
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200-220 calories
A
Correct answer
Explanation
Plain Greek yogurt is a relatively low-calorie food, with a 6-ounce serving typically containing around 80-100 calories.