Science True-False

Decomposers are natural scavengers.

Food web is formed due to alternative path for food availability.

All organisms can use only chemical energy.

In food chain energy flow is bidirectional.

Water is abiotic factor in pond ecosystem.

In ecosystem food relationships among organisms are in form of food web.

UV radiation absorbs ozone that is deadly poison at ground level.

Number of consumers are always more than producers.

Only 10% energy is used at each trophic level from the available energy and remaining is saved for next level of organisms.

Level of energy decreases as one goes to upper trophic level in an ecosystem.

Ecosystem is formed only with biotic components.

Oxygen gets released under the effect of ultraviolet rays on ozone molecules.

Wastes which we generated are biodegradable or non-biodegradable.

Sun is ultimate energy source for ecosystems on this earth.

Microbes decomposing dead bodies are located at trophic level of producers.