WorksheetsEcosystem concept
Total questions: 10
Worksheet time: 5mins
Primary consumers in the detritus food chain are
Herbivores
Bacteria and fungi
Insect Larva, nematodes
All the above
Total organic matter present in an ecosystem is called
Biomass
Biome
Litter
Food
Putrefying organisms are
Producer organisms
Reducer organisms
Consumer organisms
Parasitic organisms
The most important organisms for an ecosystem are
Herbivorous
Carnivorous
Green plants
Protozoa
A peacock eats snakes which eat frog these eat hoppers which in turn thrive on leaves of the plants, the peacock is
Primary consumer
Secondary consumer
Decomposer
Apex of the food pyramid
A food chain consists of
Producers
Consumers
Decomposers
Producers and Consumers
Food chain always starts with
Photosynthesis
Respiration
Nitrogen fixation
Decay
Which of the food chain directly depends on solar radiations?
Predator
Grasses
Detritus
None of these
Grassland of USA is referred to as
Prairie
Steppes
Pampas
Veldts
When a big fish eats a small fish which eats water fleas supported by phytoplankton water fleas are
Producers
Primary consumers
Secondary consumers
Top consumers
