1. In which year did the World Health Organization declare Bangladesh polio-free?
A. 1998B. 2004C. 2014D. 2019
2. How many reform proposals were included in the 'July National Charter'?
A. 83B. 84C. 85D. 82
3. Identify the correct passive form: ‘I heard her sing.’
A. She was heard sing by me.B. She was heard to be sung by me.C. She was heard sung by me.D. She was heard to sing by me.
4. Which one below is not a reducing agent?
A. CuSO4B. KIC. SnCl2D. H2C2O4
5. Which fungus is called water mold?
A. Sac fungiB. Club fungiC. Zygote fungiD. Egg fungi
6. Which one is not an acid anhydride?
A. N2OB. NO2C. N2O5D. N2O3 N2O NO