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Phytochemicals in Plants Quiz

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What is the main function of the group of secondary metabolites known as anthocyanin glycosides in plants?

Attract insects for pollination (correct)

Strengthen blood vessel walls

Provide laxative properties

Act as natural coloring matter

Which secondary metabolite group is related to flavonoids and has color that depends on the pH of the environment?

Phenolic glycosides (correct)

Cyanogenic glycosides

Mucilage glycosides

Tannins

What is the significance of anthraquinone glycosides for plants?

Act as laxatives

Help in oxidation-reduction reactions (correct)

Strengthen blood vessel walls

Provide antioxidant activity

What is the primary purpose of cyanogenic glycosides in plants?

To defend against predators by releasing HCN (D) Signup and view all the answers

What effect do phenolic glycosides have on human blood vessel walls?

Strengthen them (D) Signup and view all the answers

What test result confirms the presence of anthraquinone glycosides?

Pink with KOH (D) Signup and view all the answers

'Rutinose' is associated with which group of secondary metabolites?

Phenolic glycosides (D) Signup and view all the answers

What role do mucilage glycosides mainly play in humans?

To give a laxative effect (A) Signup and view all the answers

How do the oxygen atoms differ in anthocyanin glycosides compared to other secondary metabolite groups?

They are positively charged (C) Signup and view all the answers

What is the primary outcome of testing a solution with KOH OMe in rutinose presence?

Pink color (D) Signup and view all the answers