Biology 1st Paper MCQ-Barishal Board-2022

1. "Rahim planted lentils in the field after harvesting paddy instead of use urea fertilizer."

Which of the following micro- organism will make up the lacking of fertilizer, mentioned in the stem?

2. Where the Calvin cycle takes place?

3. Which one of the following is used in Stage step 'B'?

4. In which part of the following part' $A$ ' are seen?

5. Which of the following micro organism is widely used in recombinant DNA technology?