Human Nutrition MCQs with Answers

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Nitrogen occurs in plants and animals in the form of proteins.

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Milk contains all the necessary elements of food, making it a complete and balanced diet in itself.

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The percentage of protein in fish is less than 30% (typically around 15–25%).

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The human body receives chemical energy through food, which is broken down during digestion and cellular respiration to release energy.

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Watermelon is composed of approximately 92% water, making it one of the most hydrating fruits.

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Breastfeeding is important because breastfed babies are healthier due to the antibodies, nutrients, and immune-boosting factors present in breast milk.

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A healthful diet includes balance, variety, and moderation as its three core principles.

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Amino acids are the building blocks of proteins, and collagen is a structural protein composed of amino acids.

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Mental satisfaction can be achieved through practicing gratitude, engaging in hobbies, and spending time with loved ones, but overeating junk food does not contribute to genuine mental satisfaction.

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Long-duration runners mainly rely on carbohydrates as their primary energy source.