EASY
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What is structure of an ecosystem?

Important Questions on Ecosystem

EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Presence of plants arranged into well-defined vertical layers depending on their height can be seen best in:
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Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Most animals that live in deep oceanic waters are:
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
In an ecosystem the rate of production of organic matter during photosynthesis is termed as:
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function

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 and Environment>Ecosystem>Ecosystem -Structure and Function

Give a reason for the following.

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

EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?
MEDIUM
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Vertical distribution of different species occupying different levels in a biotic community is known as:
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Net primary productivity (NPP) in an ecosystem is
MEDIUM
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Define decomposition. Explain the main steps involved in the process of decomposition.
MEDIUM
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Which one of the following is a characteristic feature of cropland ecosystem?
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
The rate of decomposition is faster in the ecosystem due to following factors EXCEPT:
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Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Which organisms constitute the last trophic level?
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Who proposed that ecosystem is the symbol of structure and function of nature?
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Which of the following ecosystem has the maximum amount of biomass production?
MEDIUM
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
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
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Which one of the following ecosystem has the highest annual net primary productivity?
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
Which among the following is not a functional unit of the ecosystem?
EASY
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function
The term ecosystem was coined by:
MEDIUM
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function

Explain Rivet Popper Hypothesis.

HARD
Biology>Ecology and Environment>Ecosystem>Ecosystem -Structure and Function

Give one significant contribution of the following scientist.

R.Mishra