The correct answer is option 'A' - The members of the committees in Parliament are either appointed by the Speaker or elected by the House. Let's understand this answer in detail:

**Introduction to Committees in Parliament:**
In a parliamentary system, committees play a crucial role in the functioning of the legislature. These committees are smaller groups of Members of Parliament (MPs) who are responsible for examining and scrutinizing various aspects of legislation, government policies, and other matters of public importance. They are instrumental in ensuring thorough discussions, analysis, and oversight of government actions.

**Appointment and Election Process:**
The members of the committees are selected through a process involving both appointment and election. The specific process may vary depending on the committee and the parliament. However, in general, the following methods are used:

1. **Appointment by the Speaker:** The Speaker of the House has the authority to appoint members to various committees. The Speaker typically considers factors such as party representation, expertise, seniority, and other relevant considerations while making these appointments. This ensures a balanced representation of MPs from different parties and backgrounds.

2. **Election by the House:** In some cases, committees are formed through an election process conducted within the House. MPs have the opportunity to nominate themselves or other members for specific committee positions. The election is usually conducted through a voting process, and the candidates who secure the highest number of votes are elected to the respective committees.

**Purpose of Appointment and Election:**
The appointment and election of committee members serve different purposes:

1. **Expertise and Representation:** The appointment process allows the Speaker to ensure that committees comprise members with expertise and knowledge in relevant fields. This helps in effective scrutiny and examination of various matters.

2. **Democratic Participation:** The election process allows MPs to actively participate in the selection of committee members. It provides an opportunity for members to represent their interests and contribute to the decision-making process.

**Conclusion:**
In conclusion, the correct answer is option 'A' - the members of committees in Parliament are either appointed by the Speaker or elected by the House. This dual process ensures a well-rounded representation of MPs and allows for both expertise and democratic participation in the committee system. The committees play a vital role in the functioning of Parliament by examining legislation, policies, and other matters, thereby enhancing the scrutiny and oversight functions of the legislature.