Think you know Nutrition?

Sample Nutrition questions

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

1. 1 Easy

   What visual impairment is caused by a severe deficiency of Vitamin A?

   Answer: Night blindness

   Why: Vitamin A produces rhodopsin, the pigment in human rod cells responsible for seeing in low-light conditions.

2. 2 Medium

   Which common vegetable typically contains a higher concentration of beta-carotene than a carrot?

   Answer: Sweet potato

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 human cardiovascular health?

   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

   Which nut has the highest total antioxidant capacity?

   Answer: Pecans

6. 6 Hard

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

   Answer: Plain bagel