The pattern of energy exchange in an ecosystem is called a ............... .

............. cycle is a gaseous cycle

..........is a primary consumer.

Carbon atoms are circulated and recycled through ............ .

Ecological Pyramid is called............

Find the odd man out: Grasshopper, squirrel, elephant, lion

.................. irst proposed the concept of Ecological Pyramid in 1927.

Microbes which do not need oxygen are called...........

............ is the most important source of energy in any ecosystem.

Find the odd man out: Photosynthesis, combustion, decomposition, corrosion.

.......... is a secondary consumer.

Flow of energy in an ecosystem is............ .

Find the odd man out: Photosynthesis, Nitrification, Ammonification, Denitrification.

Oxygen forms ......... of the atmosphere.

Carbon dioxide is released into the atmosphere through ............. .

Find the odd man out: Frog, Owl, Squirrel, Fox

Find the odd man out: Nitrogen cycle, oxygen cycle, carbon cycle, phosphorus cycle.

Tiger is a /an.......... .

Oxygen is released in the process of

Most organisms cannot use the free form of ................. .

Fungi and other microbes are called..........

Plants convert carbon dioxide into .......... by the process of photosynthesis.

............. is a sedimentary cycle.

An intricate network of food chains is called...............

The Indian Institute of Ecology and Environment, Delhi, has published........... .

Conversion of ammonia into a nitrite and then nitrate is called..........

Amount of matter and energy .............. from the lowest level to the highest level.

Conversion of nitrogen compounds into gaseous nitrogen is called........ .

Find the odd man out: Burning of fossil fuels, forest fire, respiration, volcanic activity.

............is an important component of proteins and nucleic acids.