| Q.5 | Select the grammatically correct sentence. | |
| Ans | 1. Exposure to poisonous gases such as carbon monoxide may occur in a closed room, heated by burning coal inside. | |
| 2. Exposure to poisonous gases such is carbon monoxide may occur in a closes room, heated by burning coal inside. | ||
| 3. Exposure for poisonous gases such as carbon monoxide may occur in a closed room, heated by burning coal inside. | ||
| 4. Exposure from poisonous gases such as carbon monoxide may occur on a closed room, heated by burning coal inside. |
Correct Ans Provided: 1
