The correct answer is A. Unicameral.
A unicameral legislature is a legislature with only one chamber or house. The Bihar Legislative Assembly is the unicameral legislature of the Indian state of Bihar. It is composed of 243 members, who are elected from single-member constituencies by first-past-the-post voting. The term of the Legislative Assembly is five years.
A bicameral legislature is a legislature with two chambers or houses. The upper house is usually called the Senate or Council of States, and the lower house is usually called the House of Representatives or the Assembly. The Indian Parliament is a bicameral legislature, consisting of the Rajya Sabha (the upper house) and the Lok Sabha (the lower house).
A presidential system is a system of government in which the head of state is a president, who is elected by the people or by an electoral college. The president is usually the head of government as well, but in some presidential systems, the head of government is a prime minister. The United States is an example of a presidential system.
The correct answer is A. Unicameral.