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Q. No.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)
1. A-(i), B-(ii), C-(iii), D-(iv)
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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Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.
| A | B | C | D | |
| 1. | Rock minerals | Detritus | Litter fall | Producers |
| 2. | Litter | Producers | Rock minerals | Detritus |
| 3. | Detritus | Rock minerals | Producers | Litter fall |
| 4 | Producers | Litter fall | Rock minerals | Detritus |
Subtopic: Mineral Cycling & Ecosystem Services (OLD NCERT) |
85%
From NCERT
AIPMT - 2014
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Which one of the following is not a gaseous biogeochemical cycle in the ecosystem?
1. Sulphur cycle
2. Phosphorus cycle
3. Nitrogen cycle
4. Carbon cycle
Subtopic: Mineral Cycling & Ecosystem Services (OLD NCERT) |
76%
From NCERT
AIPMT - 2012
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Which one of the following statements is correct for secondary succession?
| 1. | It occurs on a deforested site |
| 2. | It follows primary succession |
| 3. | It is similar to primary succession except that it has a relatively slow pace |
| 4. | All of the above |
Subtopic: Ecological Succession (OLD NCERT) |
64%
From NCERT
AIPMT - 2011
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The correct sequence of plants in a Hydrosphere is:
| 1. | Oak → Lantana → Scirpus → Pistia → Hydrilla → Volvox |
| 2. | Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak |
| 3. | Pistia → Volvox → Scirpus → Hydrilla → Oak → Lantana |
| 4. | Oak → Lantana → Volvox → Hydrilla → Pistia → Scirpus |
Subtopic: Ecological Succession (OLD NCERT) |
72%
AIPMT - 2009
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About 70% of total global carbon is found in:
| 1. | grasslands | 2. | agro-ecosystems |
| 3. | oceans | 4. | forests |
Subtopic: Mineral Cycling & Ecosystem Services (OLD NCERT) |
83%
From NCERT
AIPMT - 2008
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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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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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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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