Q. Which of the following organisms obtain their energy primarily through photosynthesis?

1. Cyanobacteria
2. Fungi
3. Sea anemones

Select the correct option from the codes given below:
Answer: Only 1
Notes: Cyanobacteria are photosynthetic bacteria and obtain energy through photosynthesis. Fungi are heterotrophic, deriving energy by absorbing nutrients from organic matter, and do not photosynthesize. Sea anemones are animals, lack chlorophyll, and capture prey for nutrition; hence, they do not perform photosynthesis.