Which of the Following Is NOT an Evolutionary Trend Among

question 13

Multiple Choice

Which of the following is NOT an evolutionary trend among flowers?

• A)from radial symmetry to bilateral symmetry
• B)from unfused floral parts to fused floral parts
• C)from an inferior ovary to a superior ovary
• D)from an indefinite number of parts to a definite number of parts
• E)from an undifferentiated perianth to one differentiated into a distinct calyx and corolla

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Definitions:

Penicillins

A group of antibiotics derived from Penicillium fungi, effective against a wide range of bacterial infections by inhibiting cell wall synthesis.

Cephalosporins

A class of β-lactam antibiotics derived from Acremonium, which are effective against a wide range of bacterial infections.

Acetic Anhydride

A reagent characterized by the formula (CH3CO)2O, used for acetylation reactions in organic synthesis to introduce acetyl groups to substrates.

Acetyl Chloride

A reactive organic compound, marked by the chemical formula CH3COCl, used in acetylation reactions to introduce acetyl groups into other molecules.