Which of the Following Is Not Allowed

question 7

Multiple Choice

Which of the following is not allowed?

• A) Objects of abstract classes.
• B) Multiple pure virtual functions in a single abstract class.
• C) References to abstract classes.
• D) Arrays of pointers to abstract classes.

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Definitions:

Nucleic Acid

Macromolecules essential for life, including DNA and RNA, which carry genetic information in cells.

Protein

Large, complex molecules made up of amino acids that perform a vast array of functions within living organisms, including structural, enzymatic, and regulatory roles.

Carbon

A chemical element with symbol C, essential as the basis of all known life on Earth, and forms various compounds and exists in different forms like diamond and graphite.

Backbone

The primary support structure for vertebrates, consisting of the spinal column.