Which insect can remain underwater for a long time?
Water spider
May fly
Stone fly
Water scorpion
Amphibians are:
Animals that live only in water
Animals that live only on land
Animals that live near water
Animals that live both in water and land
Aquatic plants are classified into:
one
two
three
four
Water hyacinth are dangerous:
As they may produce too much carbon dioxide
As they may produce too much oxygen
As they may cause oxygen depletion
As they may cause carbon depletion
Animals that live in water are called:
Terrestrial animals
Aquatic animals
Amphibians
Insectivores
Too many water hyacinths may:
Prevent sunlight from reaching other plants
Prevent other plants getting enough water
Prevent other plants and animals getting enough carbon dioxide
Help other plants and animals grow more
Which is considered as significant potential food source?
Duckweed
Amazon water lily
Water hyacinth
Man grove
The plants that grow on land are called:
Aquatic plants
Terrestrial plants
Floating Plants
Submerged Plants
Which is the largest aquatic plant in the world?
Which is a partially submerged aquatic plant?
Lotus
Hydrilla
Pond weed
Coontail
