Some Flowers Have Distinctive Patterns That Only Reflect Ultraviolet Light

question 15

Multiple Choice

Some flowers have distinctive patterns that only reflect ultraviolet light and therefore are invisible to humans.Which statement about such markings is not correct?

• A)The ultraviolet patterns are highly visible and attractive to bees.
• B)Carotenoid pigments are responsible for the ultraviolet patterns.
• C)The ultraviolet patterns often form a conspicuous central bull's eye or identify the best landing sites.
• D)The ultraviolet patterns repel birds and bats from the flowers.
• E)Flowers with ultraviolet patterns usually appear yellow or orange to humans.

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Definitions:

Hydrogen

The lightest and most abundant chemical element in the universe, with the symbol H and atomic number 1, primarily found as H2 gas.

Isomers

Molecules that have the same molecular formula but differ in the arrangement of atoms, resulting in different properties.

Molecular Formula

A representation of the number and type of atoms in a molecule but not the structure.

Branched Isomers

Organic compounds having the same molecular formula but different structural formulas due to branching in the carbon chain, affecting their physical and chemical properties.