Question

When burnt .................. 'exudes a pungent smell'.

• A. ghee
• B. polythene
• C. life
• D. oil

Hint:

Environmental science fact: plastics release toxic smoke when burnt.

Answer 1

The Correct Option is B

Step 1: Context.
Polythene, when burnt, gives off toxic fumes with a pungent smell.

Step 2: Option Analysis.
(A) ghee: Gives a pleasant smell.
(B) polythene: Correct — Known for pungent, harmful smoke.
(C) life: Irrelevant.
(D) oil: Smell is different, not pungent in this sense.

Step 3: Conclusion.
Correct answer is (B) polythene.