The term ecosystem was coined by

(1) AG Tansley                 

(2) E Haeckel

(3) E Warming                 

(4) EP Odum

Subtopic:  Introduction |
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Level 2: 60%+
NEET - 2016
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Vertical distribution of different species occupying different levels in a biotic community is

known as 

1. divergence

2. stratification

3. zonation

4. pyramid

Subtopic:  Introduction |
 92%
Level 1: 80%+
NEET - 2015
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Which one of the following is not a functional unit of an ecosystem?

1. Energy flow                 

2. Decomposition

3. Productivity                 

4. Stratification

Subtopic:  Introduction |
 86%
Level 1: 80%+
NEET - 2012
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Which one of the following is one of the characteristics of a biological community ?

1. Stratification 

2. Natality 

3. Mortality 

4. Sex-ratio

Subtopic:  Introduction |
 82%
Level 1: 80%+
NEET - 2010
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Which of the following is the functional unit of nature?

1. A plant

2. An animal

3. Ecosystem

4. Environment

Subtopic:  Introduction |
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Level 1: 80%+
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Which vertical strata is occupied by trees in a forest?

1. Top

2. Middle

3. Bottom

4. Any of the above.

Subtopic:  Introduction | Components & Types of Ecosystems |
 78%
Level 2: 60%+
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The term ecosystem was coined by:
1. A.G. Tansley 2. E. Haeckel
3. E. warming 4. E.P. Odum
Subtopic:  Introduction |
 80%
Level 1: 80%+
NEET - 2016
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Ecology can be best described as:
1. the study of living things.
2. the study of non-living things.
3. the study of environmental factors.
4. the study of ecosystems.
 
Subtopic:  Introduction |
 78%
Level 2: 60%+
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Which of the following levels of ecological organization is arranged in the correct sequence from most to least inclusive?
1. community, ecosystem, individual, population
2. ecosystem, community, population, individual
3. population, ecosystem, individual, community
4. individual, population, community, ecosystem
 
Subtopic:  Introduction |
 61%
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Community is an aggregation of 
1. Individuals of the same kind
2. Populations of different species
3. Individuals of a population
4. Individuals of different kinds
Subtopic:  Introduction |
 78%
Level 2: 60%+
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