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Which of the following statement is not correct?

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Important Questions on Ecosystem

EASY
Biology>Ecology>Ecosystem>Flow of Energy

Write the differences between 

Food chain and food web

MEDIUM
Biology>Ecology>Ecosystem>Flow of Energy
Describe the DDT biomagnification occurring in an aquatic food chain. State the negative effects the process has on the organisms at the last trophic level of the food chain.
MEDIUM
Biology>Ecology>Ecosystem>Flow of Energy
Explain the process of the flow of energy in different trophic level of an ecosystem.
EASY
Biology>Ecology>Ecosystem>Flow of Energy
In a food chain, deers are
EASY
Biology>Ecology>Ecosystem>Flow of Energy
In an ecosystem, the population of:
HARD
Biology>Ecology>Ecosystem>Flow of Energy
With the help of the diagram, explain the flow of energy in an ecosystem.
MEDIUM
Biology>Ecology>Ecosystem>Flow of Energy
What do detritus food chains begin with?
EASY
Biology>Ecology>Ecosystem>Flow of Energy
Name the type of food chain that is the major conduit for energy flow in an aquatic ecosystem.
EASY
Biology>Ecology>Ecosystem>Flow of Energy
Identify the possible link 'M' in the following food chain:
Plant → Insect →M→ Snake → Eagle
MEDIUM
Biology>Ecology>Ecosystem>Flow of Energy
How is the detritus food chain connected with the grazing food chain in a natural ecosystem?
EASY
Biology>Ecology>Ecosystem>Flow of Energy
The mass of living material at a trophic level at a particular time is called:
EASY
Biology>Ecology>Ecosystem>Flow of Energy

Match the trophic levels with their correct species examples in grassland ecosystem.

(a) Fourth trophic level (i) Crow
(b) Second trophic level (ii) Vulture
(c) First trophic level (iii) Rabbit
(d) Third trophic level (iv) Grass

Select the correct option.

MEDIUM
Biology>Ecology>Ecosystem>Flow of Energy

Select the correct option for the "P" and "Q" in the given chart of a biological magnification of pesticides.

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EASY
Biology>Ecology>Ecosystem>Flow of Energy
Explain the flow of energy in an ecosystem with the help of a diagram.
HARD
Biology>Ecology>Ecosystem>Flow of Energy
By which way the flow of energy and nutrients takes place in an ecosystem.
MEDIUM
Biology>Ecology>Ecosystem>Flow of Energy
Differentiate between producer and decomposer.
EASY
Biology>Ecology>Ecosystem>Flow of Energy

Write down the names of trophic levels in the following food chain: 

Grass →Goat → Man

EASY
Biology>Ecology>Ecosystem>Flow of Energy
Explain the role of the ‘first trophic level’ in an ecosystem.
EASY
Biology>Ecology>Ecosystem>Flow of Energy
Of the total incident solar radiation of percentage photosynthetically Active Radiation (PAR) captured by the plants
EASY
Biology>Ecology>Ecosystem>Flow of Energy
If 20J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
plant → mice → snake → peacock