MEDIUM
Earn 100

Which is the World's largest terrestrial ecosystem?

Important Questions on Our Environment

MEDIUM
Which one of the following is a characteristic feature of cropland ecosystem?
MEDIUM
Give the role of humus in a terrestrial ecosystem.
EASY
Most animals that live in deep oceanic waters are:
HARD
Explain the components of Pond eco-system.
EASY
An association of individuals of different species living in the same habitat and having functional interactions is:
MEDIUM
Differentiate between ecosystems of grassland and pond.
EASY
Who proposed that ecosystem is the symbol of structure and function of nature?
EASY
Mention four 'Evil Quartet' which cause depletion of biodiversity.
MEDIUM
Describe briefly the biological effects of light on animal reproduction.
MEDIUM
Vertical distribution of different species occupying different levels in a biotic community is known as:
EASY
Which among the following is not a functional unit of the ecosystem?
EASY
Presence of plants arranged into well-defined vertical layers depending on their height can be seen best in:
EASY
The term ecosystem was coined by:
EASY
Which of the following ecosystem has the maximum amount of biomass production?
MEDIUM
All species of vultures in India are threatened with extinction. What is the most likely outcome if all vultures in India go extinct?
MEDIUM
Study the following statements and select the correct ones:
I) In a thermally stratified lake, in winter, the upper layer is known as epilimnion.
II) Animals in a lake that are capable of swimming constitute neuston.
III) The natural interconnections of food chain forms a network called food web.
IV) Energy flow in an ecosystem is unidirectional.
EASY
What is ecosystem? Discuss its different components with specific example of pond as an ecosystem.
MEDIUM

Give a reason for the following.

The equilibrium of a forest ecosystem can be disturbed by the uncontrolled hunting of big predators.

HARD
A food chain always starts with_____