Which group of organisms in an ecosystem contains maximum energy?
Primary consumers
Secondary consumers
Tertiary consumer
Primary producers
Which of the following constitute a food chain?
Grass, wheat and mango
Grass, goat and human
Goat, cow and elephant
Grass, fish and goat
Run off water is the water that
flows into the drains
percolates down
evaporates
all of these
An example of an artificial aquatic ecosystem is
an aquarium
a pond
a lake
Which radiation emitted from the sun absorbed by ozone layer?
X-rays
Infrared
Visible light
Ultraviolet
Omnivores are animals that feed on
Plants
Animals
Both
Dead and decaying organic matter
Ancient water harvesting structures called ahars and pynes still in use today in
Rajasthan
Bihar
Himachal Pradesh
Kerala
The place of living of an organism in environment is called
Home
Resort
Habitat
Reservoir
Cutting of a forest at a large scale is called
Deforestation
Reforestation
Afforestation
All of these