Question

A rat, mosquito, earthworm and frog were kept in airtight boxes separately, in such a manner that only their head was outside, but they were fed with the food, according to their food habit. After sometime, it was found that one of them died. WHICH animal died and WHY?

Answer 1

The animal that died is earthworm because it breathes due to its moist skin unlike other animals. It's skin does not have access to air under the given conditions and hence dies.