EASY
Earn 100

Read the given statements and select the correct option.


Statement 1: In an aquatic ecosystem, pyramid of biomass is inverted.
Statement 2: Biomass depends upon reproductive potential and longevity of individuals.

50% studentsanswered this correctly

Important Questions on Ecosystem

EASY
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
Which ONE of the following options lists the primary energy source(s) for all forms of life on earth?
EASY
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
Explain the flow of energy in an ecosystem with the help of a diagram.
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids

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

Question Image

MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
Which one of the following has the largest population in a food chain?
EASY
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
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 _________
HARD
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
By which way the flow of energy and nutrients takes place in an ecosystem.
HARD
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
With the help of the diagram, explain the flow of energy in an ecosystem.
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
In marine ecosystem, the pyramid of biomass is
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
Describe an inverted pyramid of biomass with the help of an example.
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
Explain the process of the flow of energy in different trophic level of an ecosystem.
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids

Given below is data showing number of individuals and dry weight of different trophic levels in a grassland ecosystem. Construct:

Pyramid of Biomass

Trophic Level Number of individuals Dry weight (Kg m-2)
Primary Producer 5,84,2000 809
Primary consumer 7,08,000 37
Secondary consumer 3.54,000 11
Tertiary consumer 3 1.5
EASY
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
Which of the following ecological pyramids is generally inverted?
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids

Given below is data showing number of individuals and dry weight of different trophic levels in a grassland ecosystem. Construct:

Pyramid of number

Trophic Level Number of individuals Dry weight (Kg m-2)
Primary Producer 5,84,2000 809
Primary consumer 7,08,000 37
Secondary consumer 3.54,000 11
Tertiary consumer 3 1.5
HARD
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
If the age pyramid is triangle then choose correct answer from the given options.
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
What is the percentage of energy that passes from one trophic level to the next trophic level?
MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids

Identify the type of ecological pyramid given below.

Question Image

EASY
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
The pyramid of biomass in sea is generally:
EASY
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids

Write the differences between 

Food chain and food web

MEDIUM
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
Which of the following statements is not correct?
EASY
Science>Biology>Ecosystem>Food Chain, Food Web and Food Pyramids
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