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

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

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

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

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

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

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

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

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

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

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

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

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

Oxygen is released in the process of

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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