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WorksheetsGRADE 8 BIOLOGY(ECOSYSTEM)
Total questions: 25
Worksheet time: 14mins
The term 'ecosystem' was coined by
R H whittakar
Charles Darwin
Sir Arthur Tansely
Lord Rutherford
Organism that make their own food are called as _______.
Heterotrophs
Carnivores
Herbivores
Autotrophs
Heterotrophs do not contain _____________.
primary consumers
producers
secondary consumers
top carnivores
Animals that eat dead animals are called as __________.
decomposers
scavengers
top carnivores
herbivores
Grasshoppers are
carnivores
herbivores
decomposers
scavengers
A tarantula is a _____________.
herbivore
producer
secondary consumer
scavenger
Mushrooms are ___________.
scavengers
autotrophs
herbivores
decomposers
what type of component is Soil?
Biotic
Abiotic
physical factor
chemical factor
Soil provides the following __________.
food
air
shelter
water
Nitrogen is converted to _________ in the soil by certain microorganisms.
ammonia
urea
nitrates
gas
Madar and Hiptage seeds are pollinated by ________?
air
insects
water
soil
What type of ecosystem is a pond?
artificial
natural
synthetic
aquatic
What type of ecosystem is a garden?
natural
artificial
semi natural
synthetic
What type of interdependence is exhibited by Rhizobium?
Parasitism
Predation
Symbiosis
Decomposition
The parasite tapeworm lives in the ___________.
Stomach
Brain
Blood
Intestine
Cuscuta is a ___________.
Host
Parasite
Predator
Symbiotic cmponent
Which of the following are predators?
Lion
Bacteria
Hyena
Frog
Each level in a food chain is called as______.
Food web
Trophic level
Energy level
interdependence
An ecological pyramid has the following components
number of organisms
biomass
energy
relationship of the organism
Rainfall in a tropical evergreen forest is
75 cm to 150cm
20cm to 60cm
more than 200 cm
75cm to 200 cm
Trees that shed their leaves in the dry season are found in which forest?
Coniferous forests
Temperate Deciduous Forest
Tropical Evergreen Forest
Tropical Deciduous Forest
Which one of these trees are found in the cool and rainy regions?
Sheesham
Birch
Pinus
Teak
In which of the following forests are the bears found?
Coniferous Forests
Temperate Deciduous Forests
Tropical Deciduous Forests
Tropical Evergreen Forests
Gir forest is famous for its ______________.
Nilgai
Leopard
Jackal
Asiatic Lions
The best place to see the Rhinoceros are _____________.
Pench
Jim Corbett National Park
Jaladpura Sanctuary
Gir Forest
