A. In a food web on land, grasshopper feeds on praying mantis and on predator bugs
B. In a food chain on land, green plant is the producer
C. In an aquatic food chain mollusc larvae are the producers
D. In an aquatic food web, various copepods feed on mollusk Larvae and on sand eel
Correct Answer: Option B
B. In a food chain on land, green plant is the producer