Bio quiz on ecosystem

Ecosystem includes following term

• Biotic factors

• Abiotic factor

• Interaction of both

• All of the above

In an ecosystem,the first level is of

• Herbivores

• Carnivores

• Apex carnivores

• Producers

Which of the following is apex carnivore

• Fish

• Grasshopper

• Elephant

• Eagle

Who feed upon dead bodies of living organism

• Carnivores

• Detritivores

• Producers

• Saprophytes

Organism that feed on both autographs and heterotroph are commonly called

• Omnivores

• Carnivores

• Primary consumers

• Detritivores

Who among following forms second trophic level in an ecosystem

• Carnivores

• Herbivores

• Apex carnivores

• All the above

Flow of nutrients through an ecosystem is

• Cyclic

• Unidirectional

• Bidirectional

• None of the above

Energy flow through an ecosystem is

• Cyclic

• Unidirectional

• Bidirectional

• None of the above

Tertiary consumers are fewer than .....

• Secondary consumers

• Primary consumers

• Apex consumers

• None of the above

The amount of energy gradually .......From producers to top level consumers

• Increases

• Decreases

• Remains same

• Balances