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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Oxygen is released in the process of

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

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

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

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

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