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In this quiz, you will find questions related to the living beings on earth, the biosphere, the biogeochemical cycle, ecological balance, ecosystems, biodiversity, and conservation.
The earliest man on the earth is known as:
Which of the following organism have a parasitic mode of nutrition?
Which is a plant and animal community that covers a large geographical area?
Temperate Steppe is a subtype of which biome?
Which includes all the living components of the earth.
How many types of biogeochemical cycles are there?
Abiotic factors include_________
Producers
Consumers
Decomposers
Sunlight
Freshwater ecosystem includes____
Oceans
Coastal estuaries
Coral reefs
Streams
Mineral salts come directly from____
Earth crust
Water cycle
Atmosphere
Forest biome
The boundaries of different biomes on land are determined mainly by?
Climate
Temperature
Human activities
Humidity
A freshwater ecosystem is____
Oceans
Estuaries
Coral reefs
Marshes
Name the main by-product of photosynthesis____
Carbon
Hydrogen
Oxygen
Water
All living organisms maintain the circulation of water in the solid, liquid, or gaseous state, referred to as
Hydrologic cycle
Carbon cycle
Oxygen cycle
Water cycle
By which process the bacteria convert nitrates into free nitrogen?
Nitrification
Photosynthesis
Nitration
Denitrification
Oxygen combines with nitrogen to form?
Nitrates
Nitrogen oxide
Both of them
None of these
