Oxygen is released in the process of

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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