Question

An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :
(a) water beetles
(b) tadpoles
(c) weeds
(d) fish

Answer 1

 fish
As fish are in the top trophic level in an aquatic food chain, they get the minimum energy, according to the 10 per cent law.