Q.The rise of which business form is most closely associated with auditing becoming a legally compulsory activity?
(A) Sole proprietorship
(B) Partnership firm
(C) Joint-stock company
(D) Hindu Undivided Family business

Legal compulsion for audit arose specifically where the people who own a business and the people who manage it became different sets of people, creating a real need for an independent check.

In a sole proprietorship, partnership, or HUF business, the owner(s) are typically also directly involved in management, so there is less structural need for an independent third party to verify the accounts on the owners' behalf. It is specifically the joint-stock company — where shareholders (owners) entrust their capital to directors (managers) they may never personally meet — that created the structural need audit was built to fill.

Section b traces auditing's evolution from an informal practice (ancient "hearing" of accounts, medieval merchant cross-checking) into a formal, legally mandated activity. The turning point in that evolution was the Industrial Revolution and the rise of the joint-stock company as the dominant vehicle for large-scale business.

Before the joint-stock company became common, most businesses were owned and run by the same small group of people (sole proprietors, partners, or family/HUF businesses) — the owners had direct, first-hand knowledge of how their own money was being used, so there was comparatively little need for an independent check.

The joint-stock company changed this fundamentally: it allowed a large number of shareholders, many of whom had no involvement in day-to-day operations, to invest capital that was then managed by a separate set of directors. This separation of ownership from management created a genuine risk — shareholders had no direct way to confirm that their money was being accounted for honestly. Statutes such as England's Companies Act, 1862 and, in India, the Indian Companies Act, 1913 (succeeded today by the Companies Act, 2013) responded to exactly this risk by making an annual, independent audit of company accounts a legal requirement.

Of the four options, sole proprietorships, partnerships, and HUF businesses do not typically involve this owner-manager separation at scale, so none of them is the historical driver of compulsory audit the way the joint-stock company is.

Students sometimes pick 'partnership firm' because partnerships also involve more than one owner — but the key distinguishing factor is not merely having multiple owners, it is the SEPARATION of ownership from day-to-day management, which is structurally characteristic of the joint-stock company, not of a typical partnership where partners usually participate in management themselves.