Flavonoids Quiz

What are flavonoids primarily responsible for in plants?

• Photosynthesis

• Color of flowers and fruits

• Water absorption

• Nutrient storage

Which of the following is a class of flavonoids?

• Flavones

• Terpenoids

• Carotenoids

• Alkaloids

What is the chemical structure of flavonoids based on?

• A 5 carbon skeleton

• A 20 carbon skeleton

• A 10 carbon skeleton

• A 15 carbon skeleton

Which flavonoid is known for its antioxidant properties?

• Rutin

• Chlorophyll

• Carotene

• Caffeine

What is the primary method for extracting flavonoids?

• Cold pressing

• Sublimation

• Ethanol and methanol extraction

• Steam distillation

Which of the following is a property of flavonoids?

• They are crystalline solids

• They are always colorless

• They are soluble only in water

• They have no biological activity

What type of bond is commonly found in flavonoid glycosides?

• Hydrogen bond

• Ionic bond

• Covalent bond

• Glycosidic bond

Which of the following is a therapeutic use of flavonoids?

• Enhancing muscle mass

• Promoting hair growth

• Treating circulatory disturbances

• Increasing capillary fragility

What is the main source of rutin?

• Tea leaves

• Ginkgo leaves

• Citrus fruits

• Buckwheat

Which flavonoid is extracted from citrus trees?

• Hesperidin

• Diosmin

• Rutin

• Quercetin