Choose the most appropriate word from the given options to fill in th…

The correct answer is Option (4) → Where

Note: The given answer is as per the official NTA Answer Key. However, more than one answer is possible here: Option (1) "While" and Option (4) "Where" both make a correct sentence, as explained below.

Option 1: While — Can also be considered as correct.

• While means as long as or during the time that.
• "While there is life, there is hope" is an old and well-known form of the same proverb: as long as a person is alive, things can still get better.
  Example: While there is time, let us finish the work.

Option 2: When — Incorrect. When refers to a point of time; "When there is life, there is hope" is not the proverb and does not give the sense "as long as".
Example: Call me when you reach home.

Option 3: If — Incorrect. If introduces a condition that may or may not be true. The proverb states a general truth, not a condition, and "If there is life" is not its wording.
Example: If it rains, we will stay indoors.

Option 4: Where — Correct (Answer as per NTA).

• Where there is life, there is hope is a proverb meaning that as long as a person is alive, there is a chance that things will improve.
• "Where" here means in any situation in which; the same pattern appears in "Where there's a will, there's a way".
• Complete sentence: Where there is life, there is hope.
  Example: Where there is smoke, there is fire.