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MHT-CET Human Nutrition — practice questions

Explore 66 free Human Nutrition questions in MHT-CET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Human Nutrition questions and exercises with answers

Showing questions 1–30 of 66.

Which nutrient yields the most energy per gram?Read the answer and worked solution →Roughly how much energy does 1 g of carbohydrate supply?Read the answer and worked solution →Which pair of nutrient classes are the micronutrients?Read the answer and worked solution →Which of these supplies no energy to the body?Read the answer and worked solution →What makes a nutrient 'essential'?Read the answer and worked solution →Which kind of nutrients can be stored in the body?Read the answer and worked solution →Which of these is a disaccharide?Read the answer and worked solution →Which set lists only monosaccharides?Read the answer and worked solution →How is a dietary triglyceride built?Read the answer and worked solution →What marks an unsaturated fat in chemical structure?Read the answer and worked solution →Which fat is typically solid at room temperature?Read the answer and worked solution →Which two families of fatty acids are essential in the human diet?Read the answer and worked solution →Why can humans not digest cellulose?Read the answer and worked solution →Insoluble dietary fibre mainly helps which process?Read the answer and worked solution →What defines a complete protein source?Read the answer and worked solution →Besides carbon, hydrogen and oxygen, which element do proteins always contain?Read the answer and worked solution →EFSA suggests how much total water per day for adult males?Read the answer and worked solution →Which mineral regulates muscle contraction, nerve conduction and blood clotting?Read the answer and worked solution →Which mineral works with sodium to keep water and osmotic balance?Read the answer and worked solution →Cutting down which mineral in common salt may lower blood pressure?Read the answer and worked solution →Which mineral is needed to make thyroxin?Read the answer and worked solution →Which trace mineral is a component of vitamin B12?Read the answer and worked solution →Which trace mineral is needed for haemoglobin?Read the answer and worked solution →Carbonic anhydrase needs which trace mineral?Read the answer and worked solution →Which vitamin can the skin make using UVB radiation?Read the answer and worked solution →Which vitamin do many animals make but humans cannot?Read the answer and worked solution →In malnutrition, what does stunting mean?Read the answer and worked solution →Vegetable oils, sugar and alcohol are often called what?Read the answer and worked solution →Salivary amylase turns starch mainly into which sugar?Read the answer and worked solution →How many pairs of main salivary glands does a human have?Read the answer and worked solution →

Worked practice questions

Which nutrient yields the most energy per gram?

  1. Water and fibre
  2. Proteins and sugars
  3. Fats and oils
  4. Starch and sugars
Show answer and solution

Correct answer: C. Fats and oils

Fats give about 9 kcal per gram, more than double the roughly 4 kcal from carbohydrates or proteins.

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Roughly how much energy does 1 g of carbohydrate supply?

  1. 7 kcal
  2. 9 kcal
  3. 4 kcal
  4. 2 kcal
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Correct answer: C. 4 kcal

Carbohydrates, like proteins, release about 4 kcal (17 kJ) per gram when metabolised.

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Which pair of nutrient classes are the micronutrients?

  1. Vitamins and minerals
  2. Proteins and fats
  3. Water and fibre
  4. Starch and sugars
Show answer and solution

Correct answer: A. Vitamins and minerals

Micronutrients are needed in small quantities, and they are the vitamins and the minerals.

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