A topic you 'somewhat know' is a topic you don't know yet. Be honest about your weak areas.

MAHA TET · Air, Water, Earth and Sky · Quiz

Air, Water, Earth and Sky — quick quiz

5 MAHA TET-pattern questions on Air, Water, Earth and Sky. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

In a pond ecosystem, fish breathe oxygen dissolved in water, aquatic plants release oxygen during photosynthesis, and dead plants decay at the bottom releasing nutrients back into water. This example best demonstrates: