Question

no. of malaria patient increased tremendously when large no. of frogs were transported

Answer 1

You know that mosquitoes (Anopheles gen.) spread malaria in humans. Mosquitoes lay eggs on the surface of water. Frogs lay eggs on the surface of water too. When frog eggs hatch, tadpoles come out. These tadpoles feed on mosquito larvae which prevents them to grow into deadly mosquitoes.
Now when a large no. of frogs are transported from a water body, there's no one to control mosquito population and thus malaria cases increase.

Answer 2

Explanation:

Explanation:This is because Frogs eat mosiquitoes . When frogs are exported The population of mosquitoes increased and the number of malarial patients also increased.