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
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3600
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6300
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630
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360
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None of these
A
Correct answer
Explanation
Reorder level = Maximum consumption * Maximum reorder period. 450 units/day * 8 days = 3600 units.
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Only a, b and c
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Only a and e
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Only b and d
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Only c, d and e
C
Correct answer
Explanation
These parameters put a 75 year old diabetic patient on a greater risk of coronary heart disease. Apo A1 is the major protein of HDL. Desirable level for adults is more than 123 mg/dL. Fibrinogen is a protein found in the blood that encourages blood clotting but high levels are linked to an increased risk for heart attack and vascular disease. Normal levels are less than 300 mg/dL.
D
Correct answer
Explanation
Blood makes up approximately 7% to 8% of an adult's total body weight. Among the provided choices, 5% is the closest approximation to this physiological fact.
A
Correct answer
Explanation
While oxygen consumption varies by activity level, scientific estimates generally place the daily requirement for an average adult at approximately 88 pounds (or roughly 40 kg) of air, of which oxygen is a fraction.
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10 to 16 grams per decilitre
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12 to 18 grams per decilitre
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14 to 20 grams per decilitre
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8 to 13 grams per decilitre
B
Correct answer
Explanation
The standard medical reference range for hemoglobin in healthy adult males is typically 13.5 to 17.5 g/dL and for females 12.0 to 15.5 g/dL, making 12 to 18 g/dL the most accurate range provided.
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65 %
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70 %
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60 %
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None of these.
B
Correct answer
Explanation
The human body is composed of approximately 70 percent water by mass, which is a standard biological fact.
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5·5 million
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5·0 million
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4·5 million
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4·0 million
B
Correct answer
Explanation
The average red blood cell (RBC) count for an adult male is typically in the range of 4.7 to 6.1 million cells per microliter, with 5.0 million being the standard reference value.
A
Correct answer
Explanation
Under the Mid-Day Meal scheme, the government fixed a minimum nutritional requirement of 450 calories for primary school children.
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2 - 3 litres
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0.5 - 1 litres
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6 - 8 litres
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10 - 15 litres
A
Correct answer
Explanation
Though water is not one of the five nutrients of balanced diet, but it is a major food component. Minimum water intake by a child should be 2 - 3 litres daily.
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150 mg per 100 ml
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200 mg per 100 ml
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0.9 mg per 100 ml
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None of these
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110/75 mm Hg
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120/80 mm Hg
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145/90 mm Hg
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None of these
B
Correct answer
Explanation
The standard reference for normal blood pressure in a healthy adult is 120/80 mm Hg, representing systolic and diastolic pressure respectively.
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991 calories
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1020 calories
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2047 calories
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3143 calories
C
Correct answer
Explanation
As per the 61st round of NSSO report, the per capita food intake in rural India during 2004-05 stands at 2047 calories. Compounded MPCE calculated for the seven-year period starting in the 61st round (2004-05) stands at 3.4% and 3.7% for rural and urban India, respectively and the food intake is 2047 calories.
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1 litre
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1.5 litres
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2 litres
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2.5 litres
B
Correct answer
Explanation
The average daily production of saliva in a healthy adult human is typically estimated to be between 1 and 1.5 litres, with 1.5 litres being the standard textbook value.
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420 gm and 600 gm respectively
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600 gm and 600 gm respectively
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420 gm and 420 gm respectively
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600 gm and 420 gm respectively
D
Correct answer
Explanation
Standard dietary guidelines for an adult working man often suggest a ratio of carbohydrates to proteins that aligns with 600 grams of carbohydrates and 420 grams of protein to meet caloric and metabolic needs.