Grishma spoke with white heat.
Select the correct meaning of the underlined.
(1) Natural shrewdness
(2) Intense passion
(3) Plain voice
(4) Cunning passion

The correct answer is Option B (Intense passion).

Key Points:
• Core Language Concept Tested: The question primarily tests the candidate's understanding of Idioms and Phrases in English vocabulary. Knowing idiomatic expressions is a crucial area because they dictate the semantic clarity of a sentence and cannot be translated literally.
• Why the Correct Option is Right: The official answer key marks option 2 as correct. This is absolutely accurate because the phrase "at a white heat" or "with white heat" metaphorically refers to a state of intense emotion, passion, excitement, or anger. It originates from metalworking, where metal becomes white-hot when heated to extreme temperatures.
• Common Exam Traps and Pitfalls: MPSC often frames questions in a way that creates ambiguity by providing literal or pseudo-related meanings. A common mistake candidates make here is guessing based on the word "white" (associating it with plainness or purity) and selecting "Plain voice", which is a flawed approach.
• Elimination of Incorrect Options: Looking at the other choices, "Natural shrewdness" and "Cunning passion" have nothing to do with the intense emotional state implied by the idiom. Thus, by a process of systematic elimination and vocabulary recall, we arrive safely at the correct choice.
• Preparation Strategy: For future exams, aspirants should thoroughly revise common English idioms, particularly those related to colors, elements, and historical practices, to avoid literal interpretation traps.
• Key Takeaway: Remember: The idiom 'white heat' means a stage of intense passion, emotion, or anger, derived from the high temperature of heated metal.