Select the option that expresses the following sentence in passive voice.
The baker baked the cake.

Correct option is A

The correct passive voice of the given sentence is (a) The cake was baked by the baker.
Rules of conversion from Active to Passive:
· Active Voice Structure: Subject + Verb (past) + Object
· Passive Voice Structure: Object + "was/were" + Past Participle + "by" + Subject
Conversion:
Active: The baker baked the cake.
Passive: The cake was baked by the baker.
Example:
Active: She wrote a letter.
Passive: A letter was written by her.
Why other options are incorrect?
· (b) "Had been baked" – Incorrect as it changes the tense to past perfect.
· (c) "Has been baking" – Incorrect as it is in present perfect continuous tense.
· (d) "Has been baked" – Incorrect as it is in present perfect tense.