| Column-I | Column-II | ||
| a. | Aquatic animals | 1. | Sail boat |
| b. | Mountaineers | 2. | Soot and dust |
| c. | Factories | 3. | Oxygen cylinders |
| d. | Wind | 4. | Dissolved oxygen |
A) \[a-1,b-2,c-3,d-4\]
B) \[a-2,b-1,c-4,d-3\]
C) \[a-3,b-4,c-1,d-2\]
D) \[a-4,b-3,c-2,d-1\]
Correct Answer: D
Solution :
The correct combination is a - 4, b - 3, c - 2, d - 1 (i) Aquatic animals-Dissolved oxygen (ii) Mountaineers-Oxygen cylinders (iii) Factories-Soot and dust (iv) Wind-Sail boat
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