What could be the most appropriate title for the passage?

1.The word '$irrevocable^{\prime} in the$ sentence, 'Lead poisoning in the city is causing irrevocable harm $\to our children^{\prime} means$

2.The synonym of '$impromptu^{\prime} is$

3.The antonym of '$plaintiff^{\prime}$ is-

4.The word '$irrevocable^{\prime} in the sentence$ 'Lead poisoning in the city is causing irrevocable harm $\to our children^{\prime}$ means-

5.Choose the appropriate preposition : He was angry ¾ me for losing the book.

6.Choose the proper word : I would frown ¾ that sort of snobbish attitude.

7.Verb of the word '$simplification^{\prime}$ is-

8.Choose the proper word to complete the following sentence. He stopped his car ¾ when the light turned red.

9.Choose the right option for gap. Give her a telephone number to ring ¾ she gets lost.

10.Choose the correct spelling

11.When we arrived at the shop, we noticed that someone $\ldots\ldots into our$ place.

12.Which one is the proper tag question in, 'He always lags behind, ¾?