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Nutrient - Quiz
Contributed by: Bingham
  • 1. What is the primary definition of a nutrient?
A) A toxic substance that harms organisms.
B) A substance used only by plants for photosynthesis.
C) A chemical created by organisms to destroy their environment.
D) A substance used by an organism to survive, grow and reproduce.
  • 2. Which groups require dietary nutrient intake?
A) Only plants and fungi.
B) Only multicellular organisms.
C) Animals, plants, fungi, and protists.
D) Only animals and humans.
  • 3. What is an example of a non-cellular structure created by excreted nutrients?
A) Feathers.
B) Mitochondria.
C) Cell membranes.
D) Cytoplasm.
  • 4. Which substances are converted into energy, releasing water and carbon dioxide as end-products?
A) Only iron and zinc.
B) Only oxygen and carbon dioxide.
C) Carbohydrates, lipids, and proteins.
D) Minerals and vitamins.
  • 5. Which nutrient is required by all organisms?
A) Ethanol.
B) Vinegar.
C) Water.
D) Iron.
  • 6. What do plants absorb through their leaves?
A) Minerals.
B) Proteins.
C) Carbon dioxide and oxygen.
D) Fats.
  • 7. How do fungi obtain their nutrients?
A) By absorbing minerals through roots.
B) By producing their own energy from inorganic chemicals.
C) By synthesizing them from sunlight.
D) From dead or living organic matter.
  • 8. Which species requires ascorbic acid as an essential nutrient?
A) Most plants.
B) Most other animals.
C) Bacteria.
D) Humans.
  • 9. What is the primary difference between organic and inorganic nutrients?
A) Inorganic nutrients provide more energy.
B) Inorganic nutrients are required in larger amounts.
C) Organic nutrients are always liquids.
D) Organic nutrients contain carbon.
  • 10. Which of the following is considered an inorganic nutrient?
A) Iron.
B) Protein.
C) Fat.
D) Sugar.
  • 11. What are macronutrients primarily used for?
A) Nerve conduction only.
B) Synthesizing vitamins.
C) Preventing all diseases.
D) Generating energy or tissue growth and repair.
  • 12. How are micronutrients distinct from macronutrients?
A) They provide more energy.
B) They are only used by plants.
C) They are needed in smaller amounts.
D) They contain carbon, whereas macronutrients do not.
  • 13. What is the result of inadequate consumption of essential nutrients?
A) Increased growth.
B) Better reproduction.
C) Higher survival rates.
D) A deficiency state.
  • 14. What are phytochemicals?
A) Minerals absorbed through the roots of plants.
B) Compounds in edible plants with unknown health effects.
C) Types of vitamins found in animals.
D) Artificial additives in processed food.
  • 15. What is true about polyphenols?
A) They are easily synthesized by the human body.
B) They are a type of protein.
C) They are a class of non-nutrient phytochemicals.
D) They are essential for human growth.
  • 16. Which set of elements represents the ones consumed in the largest quantities by humans?
A) Essential enzymes
B) CHNOPS
C) Vitamin complexes
D) Trace minerals
  • 17. Which of these is classified as a monosaccharide?
A) Starch
B) Glucose
C) Sucrose
D) Cellulose
  • 18. What are proteins primarily composed of?
A) Amino acids
B) Glycerin
C) Fatty acids
D) Monosaccharides
  • 19. Which of the following is an example of a disaccharide?
A) Starch
B) Sucrose
C) Glucose
D) Glycogen
  • 20. Why are some amino acids termed 'essential'?
A) They are types of trace minerals
B) They contain double bonds
C) They provide the most calories
D) The body cannot manufacture them
  • 21. Which mineral is considered a macronutrient because it is required in large quantities?
A) Trace mineral
B) Calcium
C) Ultracare mineral
D) Oxygen
  • 22. Which of these is a polysaccharide?
A) Lactose
B) Amino acid
C) Fructose
D) Starch
  • 23. What connects amino acids in proteins?
A) Peptide bonds
B) Glycerin molecules
C) Double bonds
D) Sugar units
  • 24. Which group of nutrients is often described as trace or ultratrace?
A) Proteins
B) Carbohydrates
C) Macronutrients
D) Micronutrients
  • 25. What are dietary minerals native to?
A) Synthesized compounds
B) Animal cells
C) Earth
D) Water
  • 26. How many vitamins are considered essential for humans?
A) Fourteen
B) Thirteen
C) Two
D) Nine
  • 27. Which of the following is an essential fatty acid for humans?
A) Histidine
B) Phenylalanine
C) Methionine
D) Alpha-linolenic acid
  • 28. How many minerals are considered essential for humans?
A) Nine
B) Fourteen
C) Two
D) Thirteen
  • 29. Which amino acid is listed as essential for humans?
A) Alpha-linolenic acid
B) Glucose
C) Sodium
D) Valine
  • 30. How many amino acids cannot be endogenously synthesized by humans?
A) Fourteen
B) Nine
C) Thirteen
D) Twenty
  • 31. What type of nutrient is linoleic acid?
A) Essential fatty acid
B) Vitamin
C) Mineral
D) Essential amino acid
  • 32. What term describes nutrients that are indispensable in certain developmental or pathological states?
A) Micro-minerals
B) Conditionally essential
C) Essential vitamins
D) Naturally synthesized
  • 33. Which amino acid is essential for humans?
A) Leucine
B) Iron
C) Water
D) Sodium
  • 34. How many essential fatty acids are known for humans?
A) Thirteen
B) Fourteen
C) Nine
D) Two
  • 35. What are the related forms of vitamins called?
A) Isotopes
B) Vitamers
C) Isomers
D) Cofactors
  • 36. Which of the following functions is commonly performed by vitamins?
A) Enzymatic cofactors
B) Hormonal secretion
C) Structural tissue building
D) Primary energy source
  • 37. Which vitamin requirement is considered conditional based on UV light exposure?
A) Vitamin D
B) Vitamin K
C) Vitamin A
D) Vitamin C
  • 38. Which of the following is an example of a vitamin group that includes multiple molecules?
A) Vitamin C
B) Vitamin K
C) Vitamin E
D) Vitamin D
  • 39. How is the human requirement for nitrogen addressed?
A) Through mineral supplements
B) Through vitamin synthesis
C) Through protein requirements
D) Through carbohydrate intake
  • 40. Which sulfur-containing amino acid has a recommended intake?
A) Glycine
B) Methionine
C) Valine
D) Alanine
  • 41. Which of the following is considered an essential trace element for humans?
A) Potassium
B) Carbon
C) Silicon
D) Boron
  • 42. Which mineral is a necessary component of vitamin B12?
A) Copper
B) Iron
C) Cobalt
D) Zinc
  • 43. Which mineral is listed as an essential trace element for humans?
A) Sulfur
B) Molybdenum
C) Nitrogen
D) Oxygen
  • 44. Which element is considered essential for some plants and animals but is not confirmed as essential for humans?
A) Magnesium
B) Iodine
C) Zinc
D) Boron
  • 45. Which of the following is classified as a conditionally essential nutrient?
A) Vitamin C
B) Taurine
C) Niacin
D) Ethanol
  • 46. How much food energy is supplied by one gram of ethanol?
A) Approximately 40 kilojoules
B) Approximately 10 kilojoules
C) Approximately 29 kilojoules
D) Approximately 5 kilojoules
  • 47. What must be established for a compound to officially qualify for nutrient status if its properties are poorly defined?
A) An antioxidant benefit
B) A natural source in all edible plants
C) A specific caloric value
D) A Dietary Reference Intake level
  • 48. What is the result of excess consumption of a nutrient that causes harm to an organism?
A) Metabolic deficiency
B) Dietary inadequacy
C) Pathological requirement
D) Nutrient toxicity
  • 49. What happens if a person supplements with magnesium above the tolerable upper limit?
A) It may cause muscle damage
B) It may cause diarrhea
C) It may cause liver damage
D) It may cause flushing of the face
  • 50. What does RDA stand for in the context of U.S. nutrient guidelines?
A) Recommended Daily Allowances
B) Required Daily Amounts
C) Recommended Dietary Allowances
D) Reference Dietary Accumulations
  • 51. How many important nutrients are there for plants?
A) 21
B) 15
C) 17
D) 19
  • 52. Which of the following is considered a macronutrient?
A) Boron
B) Zinc
C) Magnesium
D) Iron
  • 53. How many elements are classified as elemental macronutrients for all organisms?
A) Six
B) Seven
C) Eight
D) Five
  • 54. Which element is listed as a micronutrient?
A) Nickel
B) Nitrogen
C) Magnesium
D) Calcium
  • 55. Which of the following is an inorganic source of nutrients?
A) Carbohydrates
B) Phosphates
C) Acids
D) Lipids
  • 56. What is the chemical symbol for potassium?
A) K
B) Po
C) P
D) Ca
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