Biotic and Abiotic Environment Multiple Choice Questions (MCQ) PDF Download

MCQ 1: To enable the materials locked up in dead organisms, main role is played by

1. primary consumers
2. secondary consumers
3. decomposers
4. detritivore

MCQ 2: In ecosystem, Secondary consumers are

1. plants
2. herbivores
3. carnivores
4. omnivores

MCQ 3: Interaction of living things and non-living things is known as

1. ecological niche
2. ecological community
3. ecosystem
4. ecology

MCQ 4: An ecosystem does not need

1. solar energy
2. materials from the outside
3. chemical energy
4. food energy

MCQ 5: Interaction and interdependence of plants and animals in a certain place is known as

1. ecological niche
2. ecological community
3. ecological habitat
4. ecological niche and community