General Knowledge Quiz

Which data structure uses FIFO (First In, First Out) order?

• Stack

• Queue

• Tree

• Graph

Which of the following sorting algorithms has the best average-case time complexity?

• Bubble Sort

• Insertion Sort

• Merge Sort

• Selection Sort

Which data structure is used in recursion?

• Queue

• Stack

• Array

• Linked List

Which traversal method is used in Binary Search Tree to get sorted elements?

• Preorder

• Postorder

• Inorder

• Level order

What is the worst-case time complexity of linear search?

• O(log n)

• O(1)

• O(n)

• O(n log n)

Which body of the United Nations declared September 16 as World Ozone Day?

• UNDP

• UNEP

• WHO

• UNESCO

Which of the following is NOT a cause of ozone layer depletion?

• Volcanic eruptions

• Use of CFCs

• Halons

• Planting trees

What color is often associated with Ozone Day celebrations and awareness campaigns?

• Red

• Blue

• Green

• Orange

Which gas, if released in large quantities, could help regenerate ozone but is also dangerous?

• Methane

• Oxygen

• Nitrous oxide

• Ozone itself

What is the full name of the protocol celebrated on Ozone Day?

• Montreal Protocol on Global Warming

• Montreal Protocol on Climate Change

• Montreal Protocol on Substances that Deplete the Ozone Layer

• Montreal Protocol for Ozone Protection