This question is important for competitive exams like SSC, UPSC, Banking, and other government exams. Understanding this concept will help improve your accuracy and performance in real exams. Practice similar MCQs regularly to strengthen your preparation and boost your score.
Correct Answer: Air : Hermetic
A. Air : Hermetic: Hermetic blocks air, and opaque blocks light.
B. Document : Author: Author creates document.
C. Sand : Desert: Desert contains sand.
D. Wood : Tree: Wood comes from trees.
Opaque blocks light, Hermetic blocks air.