MCQs on Ecosystem and Biodiversity

Which of the following is the structural unit of nature?

• Species

• Ecosystem

• Community

• Biome

Which of the following is a producer?

• Cow

• Grass

• Tiger

• Fungi

Primary consumers are generally:

• Carnivores

• Herbivores

• Decomposers

• Omnivores

Which of the following is a decomposer?

• Fungi

• Cow

• Goat

• Human

Flow of energy in an ecosystem is:

• Cyclic

• Linear

• Both

• None

Food chain always begins with:

• Consumer

• Producer

• Decomposer

• Parasite

In an ecological pyramid of energy, the energy is maximum at:

• Producers

• Primary consumers

• Secondary consumers

• Top carnivores

The complex network of food chains is called:

• Food web

• Food pyramid

• Food cycle

• Energy cycle

In-situ conservation refers to:

• Conserving species in their natural habitat

• Conserving species outside natural habitat

• Keeping species in labs

• None

In-situ conservation refers to:

• Conserving species in their natural habitat

• Conserving species outside natural habitat

• Keeping species in labs

• None