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 daily sodium intake for children aged 4-8 years?
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1,200 mg
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1,500 mg
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1,800 mg
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2,000 mg
A
Correct answer
Explanation
The recommended daily sodium intake for children aged 4-8 years is 1,200 mg.
What is the recommended amount of fluoride in drinking water?
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0.5 parts per million (ppm)
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1.0 ppm
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1.5 ppm
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2.0 ppm
B
Correct answer
Explanation
The recommended amount of fluoride in drinking water is 1.0 parts per million (ppm). This level of fluoride has been shown to be effective in preventing cavities without causing any adverse health effects.
What is the recommended amount of strength training for adults to improve heart health?
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1 set of 8-12 repetitions of each exercise, 2-3 times per week
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2 sets of 8-12 repetitions of each exercise, 2-3 times per week
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3 sets of 8-12 repetitions of each exercise, 2-3 times per week
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4 sets of 8-12 repetitions of each exercise, 2-3 times per week
B
Correct answer
Explanation
Adults should aim for 2 sets of 8-12 repetitions of each strength training exercise, 2-3 times per week, to improve heart health.
What is the recommended daily intake of avocado oil?
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1 tablespoon
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2 tablespoons
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3 tablespoons
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4 tablespoons
B
Correct answer
Explanation
A moderate intake of avocado oil, around 2 tablespoons per day, is generally considered safe and beneficial for health.
According to the Dietary Guidelines for Americans, how many servings of fruits should adults consume per day?
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1-2 servings
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2-4 servings
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4-6 servings
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6-8 servings
B
Correct answer
Explanation
The Dietary Guidelines for Americans recommend that adults consume 2-4 servings of fruits per day.
What is the approximate number of calories in a medium-sized banana?
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50-75
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100-125
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150-175
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200-225
B
Correct answer
Explanation
A medium-sized banana typically contains approximately 100-125 calories. It is a good source of dietary fiber, potassium, and vitamin C, making it a nutritious and energy-boosting snack.
What is the recommended daily intake of probiotics?
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There is no recommended daily intake
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1 billion CFUs
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10 billion CFUs
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100 billion CFUs
A
Correct answer
Explanation
There is no recommended daily intake of probiotics, as the amount that is beneficial can vary depending on the individual and the strain of probiotic.
What is the recommended daily intake of protein for older adults?
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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
B
Correct answer
Explanation
Older adults need more protein than younger adults to maintain muscle mass and strength.
What is the recommended daily intake of fruits and vegetables for older adults?
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2 cups of fruits and 2 cups of vegetables
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3 cups of fruits and 3 cups of vegetables
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4 cups of fruits and 4 cups of vegetables
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5 cups of fruits and 5 cups of vegetables
D
Correct answer
Explanation
Older adults should aim to consume 5 cups of fruits and vegetables per day to get the recommended amount of vitamins, minerals, and fiber.
What is the recommended daily intake of water for older adults?
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6 cups
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8 cups
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10 cups
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12 cups
B
Correct answer
Explanation
Older adults should aim to drink 8 cups of water per day to stay hydrated.
What is the recommended daily intake of sodium for older adults?
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1,500 milligrams
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2,000 milligrams
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2,500 milligrams
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3,000 milligrams
A
Correct answer
Explanation
Older adults should aim to consume no more than 1,500 milligrams of sodium per day to reduce the risk of high blood pressure.
What is the recommended daily intake of potassium for older adults?
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2,000 milligrams
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2,500 milligrams
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3,000 milligrams
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3,500 milligrams
D
Correct answer
Explanation
Older adults should aim to consume 3,500 milligrams of potassium per day to reduce the risk of high blood pressure.
What is the recommended daily intake of calcium for older adults?
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1,000 milligrams
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1,200 milligrams
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1,500 milligrams
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1,800 milligrams
B
Correct answer
Explanation
Older adults should aim to consume 1,200 milligrams of calcium per day to maintain bone health.
What is the recommended daily intake of vitamin D for older adults?
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600 international units (IU)
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800 international units (IU)
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1,000 international units (IU)
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1,200 international units (IU)
B
Correct answer
Explanation
Older adults should aim to consume 800 international units (IU) of vitamin D per day to maintain bone health.
What is the recommended daily intake of olive oil?
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1 tablespoon
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2 tablespoons
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3 tablespoons
B
Correct answer
Explanation
The recommended daily intake of olive oil is 2 tablespoons, which provides a good balance of monounsaturated fats and antioxidants.