What does the second sentence do?

1.What is the main topic of the passage?

2.Certain(A) species of penicillin mold are used(B) $\o(are$ used,B)[\end{if}]-->\end{if}]--> $\to are used \to(C)$ cheese(D).$\o(cheese,D)$[\end{if}]-->\end{if}]-->

3.'I was looking forward receiving a quick reply of my mail from $you^{\prime}. Which correction should be made \to this$ sentence?

4.Tereshkova was born in ¾ .

5.Which one of the following is a word with a number prefix?

6.Complete the sentence using suitable clause/ phrase: It is raining heavily. If you go outside, you will ¾.

7.The writer of the piece appears to be in a ¾

8.Which one of the following is a word with a negative prefix?

9.Complete the sentence using suitable clause/ phrase: The man whom you ¾ yesterday is my brother.

10.¾ is caused by a virus was not known until 1911.

11.ঙপবধহং : উবংবৎঃং :: ডধাবং:?

12.Find out the best substitute of the given phrase.