Best Sorting Algorithms Test - 62+ MCQs: Sorting Algorithms Quiz: Test Your Knowledge with Questions on Sorting Techniques and Solutions

1. How does quicksort choose the pivot element for partitioning?

Randomly selects an element from the array.

Always picks the first element.

Chooses the middle element.

Selects the element with the highest value.

2. What is the time complexity of the Quicksort algorithm in its average case?

O(n)

O(n^2)

O(n log n)

O(1)

4. Which sorting algorithm exhibits an O(n) time complexity for nearly sorted data?

Heapsort

Bubblesort

Insertion Sort

Shellsort

5. In the context of sorting, what is the primary advantage of the Cocktail Shaker Sort algorithm?

Stable sorting

Adaptive sorting

In-place sorting

No worst-case scenario

6. What is the primary advantage of the Timsort algorithm, commonly used in Python's sorting library?

Parallel sorting

Adaptivity and stability

In-place sorting

Linear time complexity

7. What is the time complexity of the Bubblesort algorithm in its worst-case scenario?

O(n log n)

O(n)

O(n^2)

O(1)

8. What is the primary disadvantage of the Bubble Sort algorithm?

Inefficient for large datasets

Not stable

Requires additional memory

Complex implementation

9. What is an in-place sorting algorithm?

An algorithm that requires additional memory for sorting.

An algorithm that uses recursion for sorting.

An algorithm that sorts elements without using extra space.

An algorithm that performs sorting in multiple passes.

10. Which sorting algorithm is commonly used for external sorting and efficiently handles large datasets?

Polyphasesort

Flashsort

Bubblesort

Bogosort

Sorting Algorithms MCQ Test 5