The correct answer is: (b), Odum
According to Odum (1963) ecosystem is the basic functional unit of nature including both organisms and their non-living environment, each interacting with other and influencing each other properties, necessary for maintenance and development of the system.
English
10 Questions
20 Marks
12 Mins English English50 Questions100 Marks60 Mins English English10 Questions20 Marks12 Mins EnglishThe concept of 'Ecological niche' was first introduced by:
___ is an important species of the zooplankton community.
The term ‘Ecology’ was first coined by whom?
Major environmental problems are, in fact, the manifestations of degraded environments at a global level. These problems include:
A. Air and water pollution
B. Increase in the number of wildlifes
C. Ozone layer depletion
D. Global warming
E. Climate change
Choose the correct answer from the options given below:
The term 'Ecosystem' was first used by-
With regard to energy flow in ecosystems, according to the Second Law of Thermodynamics, what percentage of energy is lost at every trophic level?
A simple example of a linear food chain is:
A. Grass
B. Snake
C. Insects
D. Hawk
E. Frogs
Choose the correct answer from the options given below:
Identify the correct sequence of the food chain in a marsh community.
(A) Butterfly
(B) Hawks
(C) Snake
(D) Green plants
(E) Frogs
Choose the correct answer from the options given below:
Match List I with List II:
List I (Consumers/Decomposers) | List II (Example) | ||
(A) | Primary consumers | (I) | Fungi |
(B) | Secondary consumers | (II) | Deer |
(C) | Tertiary consumers | (III) | Fox |
(D) | Decomposers | (IV) | Tiger |
Choose the correct answer from the options given below:
Match List I with List II:
List I (Date) | List II (Celebrated as) | ||
(A) | February 2 | (I) | Earth Day |
(B) | April 22 | (II) | World Ozone Day |
(C) | June 5 | (III) | World Wetland Day |
(D) | September 16 | (IV) | World Environment Day |
Choose the correct answer from the options given below:
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