MCQs Biology-30

1. Which group of bacteria requires a low-oxygen environment (typically 2-10%) for optimum growth and is inhibited by higher atmospheric oxygen concentration (≈21%)?

2. Considering their trophic mode, fungi are classified as ___________?

3. Which factor is primarily responsible for the large-scale distribution of plants on Earth?

4. Evolutionary history of plants affects their distribution because___________

5. Trypsin is secreted by which organ?

6. Chitin is an example of ———–

7. Plant dispersal limitation occurs when _______

8. In the stomach, mucus serves primarily to ———–

9. Sucrose is a ————

10. Tapeworms and Plasmodium are examples of __________ organisms