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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Oxygen is released in the process of

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