Artificial Intelligence (2180703) MCQs

MCQs of Problems, State Space Search & Heuristic Search Techniques

Showing 21 to 30 out of 67 Questions
21.
Breadth-first search is not optimal when all step costs are equal, because it always expands the shallowest unexpanded node.
(a) TRUE
(b) FALSE
Answer:

Option (b)

22.
DFS is ______ efficient and BFS is __________ efficient.
(a) Space, Time
(b) Time, Space
(c) Time, Time
(d) Space, Space
Answer:

Option (a)

23.
The main idea of Bidirectional search is to reduce the time complexity by searching two way simultaneously from start node and another from goal node.
(a) TRUE
(b) FALSE
Answer:

Option (a)

24.
What is the other name of informed search strategy?
(a) Simple search
(b) Heuristic search
(c) Online search
(d) None of the mentioned
Answer:

Option (b)

25.
Which search uses the problem specific knowledge beyond the definition of the problem?
(a) Informed search
(b) Depth-first search
(c) Breadth-first search
(d) Uninformed search
Answer:

Option (a)

26.
Which function will select the lowest expansion node at first for evaluation?
(a) Greedy best-first search
(b) Best-first search
(c) Depth-first search
(d) None of the mentioned
Answer:

Option (b)

27.
What is the heuristic function of greedy best-first search?
(a) f(n) != h(n)
(b) f(n) < h(n)
(c) f(n) = h(n)
(d) f(n) > h(n)
Answer:

Option (c)

28.
Which search is complete and optimal when h(n) is consistent?
(a) Best-first search
(b) Depth-first search
(c) Both Best-first & Depth-first search
(d) A* search
Answer:

Option (d)

29.
Which is used to improve the performance of heuristic search?
(a) Quality of nodes
(b) Quality of heuristic function
(c) Simple form of nodes
(d) None of the mentioned
Answer:

Option (b)

30.
Which search method will expand the node that is closest to the goal?
(a) Best-first search
(b) Greedy best-first search
(c) A* search
(d) None of the mentioned
Answer:

Option (b)

Showing 21 to 30 out of 67 Questions