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Maximum number of trophic levels supported in any ecosystem is

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Important Questions on Our Environment

EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem

Write the differences between 

Food chain and food web

MEDIUM
Science>Biology>Our Environment>Flow of Energy in Ecosystem
Describe an inverted pyramid of biomass with the help of an example.
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Science>Biology>Our Environment>Flow of Energy in Ecosystem
Explain the process of the flow of energy in different trophic level of an ecosystem.
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem
Which of the following constitute a food chain ?
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Science>Biology>Our Environment>Flow of Energy in Ecosystem
Which of the following statements is incorrect?
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem
Different levels of producers and consumers of food-chain are called as:
MEDIUM
Science>Biology>Our Environment>Flow of Energy in Ecosystem
What do detritus food chains begin with?
HARD
Science>Biology>Our Environment>Flow of Energy in Ecosystem
If the age pyramid is triangle then choose correct answer from the given options.
MEDIUM
Science>Biology>Our Environment>Flow of Energy in Ecosystem
Which of the following statements is not correct?
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem
The tropic relationship is expressed in terms of numbers: biomass or energy arranged one on the top of its lower tropic level, resulting in a pyramidal shape. In case of a parasitic food chain. the pyramid number is _________
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem
Explain the flow of energy in an ecosystem with the help of a diagram.
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem
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
HARD
Science>Biology>Our Environment>Flow of Energy in Ecosystem
With the help of the diagram, explain the flow of energy in an ecosystem.
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem

Choose and write the correct option:

The pyramid of energy is:

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Science>Biology>Our Environment>Flow of Energy in Ecosystem

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

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Science>Biology>Our Environment>Flow of Energy in Ecosystem

A food chain in a polluted aquatic ecosystem is given. Observe it and answer the following questions.
Freshwater → Algae → Fishes → Birds.

(i) Which organisms are disturbed more due to biomagnification? Why?

(ii) This ecosystem will be destroyed gradually due to biomagnification. Why? 

HARD
Science>Biology>Our Environment>Flow of Energy in Ecosystem
By which way the flow of energy and nutrients takes place in an ecosystem.
MEDIUM
Science>Biology>Our Environment>Flow of Energy in Ecosystem
How is the detritus food chain connected with the grazing food chain in a natural ecosystem?
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem
Which of the following ecological pyramids is generally inverted?
EASY
Science>Biology>Our Environment>Flow of Energy in Ecosystem
Which ONE of the following options lists the primary energy source(s) for all forms of life on earth?