Select Question Set:
Q. No.Which ecosystem has the maximum biomass?
1. Grassland ecosystem
2. Pond ecosystem
3. Lake ecosystem
4. Forest ecosystem
Subtopic: Ecosystem Productivity |
70%
NEET - 2017
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Which of the following would appear as the pioneer organisms on bare rocks?
| 1. | Liverworts | 2. | Mosses |
| 3. | Green algae | 4. | Lichens |
Subtopic: Ecological Succession (OLD NCERT) |
85%
From NCERT
NEET - 2016
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In which of the following, do both pairs have the correct combination?
| 1. | Gaseous nutrient cycle Sedimentary nutrient cycle |
Carbon and nitrogen Sulphur and phosphorous |
| 2. | Gaseous nutrient cycle Sedimentary nutrient cycle |
Carbon and sulphur Nitrogen and phosphorus |
| 3. | Gaseous nutrient cycle Sedimentary nutrient cycle |
Nitrogen and sulphur Carbon and phosphorous |
| 4. | Gaseous nutrient cycle Sedimentary nutrient cycle |
Sulphur and phosphorous Carbon and nitrogen |
Subtopic: Mineral Cycling & Ecosystem Services (OLD NCERT) |
91%
From NCERT
NEET - 2015
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During ecological succession:
| 1. | gradual and predictable change in the composition of species occurs in a given area. |
| 2. | establishment of a new biotic community is very fast in its primary phase. |
| 3. | the number and types of animals are constant. |
| 4. | changes lead to a community that is in equilibrium with the environment and is called a pioneer community. |
Subtopic: Ecological Succession (OLD NCERT) |
74%
From NCERT
NEET - 2015
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The vertical distribution of different species occupying different levels in a biotic community is known as:
1. divergence
2. stratification
3. zonation
4. pyramid
2. stratification
3. zonation
4. pyramid
Subtopic: Components & Types of Ecosystems |
91%
From NCERT
NEET - 2015
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Secondary succession takes place on/in:
1. bare rock
2. degraded forest
3. newly created pond
4. newly cooled lava
2. degraded forest
3. newly created pond
4. newly cooled lava
Subtopic: Ecological Succession (OLD NCERT) |
83%
From NCERT
NEET - 2015
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The mass of living material at a tropic level at a particular time is called:
1. gross primary productivity
2. standing state
3. net primary productivity
4. standing crop
2. standing state
3. net primary productivity
4. standing crop
Subtopic: Ecosystem Productivity |
75%
From NCERT
NEET - 2015
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In an ecosystem, the rate of production of organic matter during photosynthesis is termed as:
1. net primary productivity
2. gross primary productivity
3. secondary productivity
4. net productivity
Subtopic: Ecosystem Productivity |
80%
From NCERT
NEET - 2015
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Match the following and select the correct option:
| Column I | Column II | ||
| (a) | Earthworm | (i) | Pioneer species |
| (b) | Succession | (ii) | Detrivore |
| (c) | Ecosystem service | (iii) | Natality |
| (d) | Population growth | (iv) | Pollination |
1. A-(i), B-(ii), C-(iii), D-(iv)
2. A-(i), B-(ii), C-(iii), D-(iv)
3. A-(iii), B-(ii), C-(iv), D-(i)
4. A-(ii), B-(i), C-(iv), D-(iii)
Subtopic: Introduction | Decomposition | Ecological Succession (OLD NCERT) | Ecosystem Services |
93%
From NCERT
AIPMT - 2014
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Subtopic: Mineral Cycling & Ecosystem Services (OLD NCERT) |
91%
From NCERT
AIPMT - 2013
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