All MCQs

Singly Linked List fits because it supports frequent insertions at the head and forward traversal is supported but direct backward traversal is not.
Both clues point to this choice.

The defining property is that forward traversal is supported but direct backward traversal is not.
The other statements describe different structures or concepts.

Singly Linked List is commonly used for frequent insertions at the head.
Its design supports this task efficiently or naturally.

Singly Linked List is a sequence of nodes where each node points to the next node.
This description distinguishes it from the other choices.

Dynamic Array fits because it supports maintaining an indexed sequence whose size changes and resizing may require allocating a larger block and copying elements.
Both clues point to this choice.

The defining property is that resizing may require allocating a larger block and copying elements.
The other statements describe different structures or concepts.

Dynamic Array is commonly used for maintaining an indexed sequence whose size changes.
Its design supports this task efficiently or naturally.

Dynamic Array is a resizable array that grows when its capacity is exceeded.
This description distinguishes it from the other choices.

Array fits because it supports fast random access when the index is known and elements are typically stored in adjacent memory locations.
Both clues point to this choice.

The defining property is that elements are typically stored in adjacent memory locations.
The other statements describe different structures or concepts.

Array is commonly used for fast random access when the index is known.
Its design supports this task efficiently or naturally.

Array is a contiguous collection of elements accessed by index.
This description distinguishes it from the other choices.