The principle that a subordinate should receive order and be responsible to only one boss is known as? A) Unity of command B) Unity of direction C) Span of control D) None of these Related MCQs: Which one is NOT the Psychological principle of teaching? …… is responsible for the accreditation of teachers’ education in Pakistan? His office is always in apple-pie order. What does the idiom/phrase “apple-pie order” (صاف ستھرا ،بے داغ) means? A sentence that contains two or more independent clauses and no subordinate clauses is a …….?