Our Environment Quiz 5

What happens if plants shed their leaves in Autumn season ?

The organic material of biological origin that is ultimately derived from the fixation of carbon dioxide by trapping solar energy during photosynthesis is called:

In an aquatic ecosystem, the biomass of phytoplankton is :

If we invert the pyramid of numbers …………… is formed.

The plants float on the surface water of the sea ……………

Phytoplanktons means

Consumers are divided based on the factors given below in an ecosystem .

If a grasshopper is eaten by a frog, then the energy transfer will be from :

In the food chain below, if the amount of energy available at fourth trophic level is 5 KJ, what is the energy available at the producer level ? Grass → Grasshopper → Frog → Snake → Hawk

The concept of ‘Ecological Pyramid’ was first proposed by…………

In an industrial area so many industrial effluents are released into the water. If the residues are found in the organisms of food chain it is …………

Rotation of crops, Genetic strains, Sterility are the ……………… methods to prevent the pests.

Kolleru lake discharges its water into the Bay of Bengal through the ………………. channel.

Kolleru lake attracts migrating birds from Asia and Eastern Europe of about ……………. birds per year.

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