Nutrition quiz

More questions about Nutrition

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   What is the main healthy oil in Mediterranean food?

   Answer: Olive oil

   Why: Olive oil supplies heart-healthy monounsaturated fats rather than the saturated fats found in butter.

2. 2 Medium

   Which common vegetable usually has more beta-carotene than a carrot?

   Answer: Sweet potato

   Why: USDA figures give raw sweet potato 8,509 micrograms of beta-carotene per 100 grams, just past the raw carrot's 8,285.

3. 3 Hard

   Which organ is only 2% of body weight but uses 20% of resting energy?

   Answer: brain

   Why: Gram for gram the heart and kidneys run hotter still, at about 440 kilocalories per kilogram a day against the brain’s 240.

4. 4 Easy

   How do industrial trans fats harm the body?

   Answer: They raise LDL and lower HDL

   Why: Trans fats were originally created via hydrogenation to give vegetable oils a longer shelf life and solid texture at room temperature.

5. 5 Medium

   How many calories does one gram of dietary fat provide?

   Answer: Nine

   Why: Both carbohydrates and proteins yield only four calories per gram, making fat by far the most energy-dense macronutrient.

6. 6 Hard

   Which bread product typically has more sodium than an ounce of salted pretzels?

   Answer: Plain bagel

   Why: USDA figures put a plain bagel near 418 mg of sodium and an ounce of hard salted pretzels near 352 mg, since bread dough needs salt to build gluten.