The major reservoir for phosphorous is
(1) Aquifers
(2) Soil and rocks
(3) The atmosphere
(4) Clouds
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAbout what percent of the global carbon is contained in the atmosphere?
1. 71
2. 49
3. 17
4. about 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn which of the following both pairs have the correct combination?
1. | Gaseous nutrient cycle Sedimentary nutrient cycle |
Carbon and nitrogen Sulphur and phosphorus |
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 phosphorus |
4. | Gaseous nutrient cycle Sedimentary nutrient cycle |
Sulphur and phosphorus Carbon and nitrogen |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following and select the correct option.
Column I Column II
A. Earthworm 1. Pioneer species
B. Succession 2. Detritivore
C. Ecosystem service 3. Natality
D. Population growth 4. Pollination
A B C D
(1) 1 2 3 4
(2) 4 1 3 2
(3) 3 2 4 1
(4) 2 1 4 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven 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 | Litterfall | Producers |
2. | Litterfall | Producer | Rock minerals | Detritus |
3. | Detritus | Rock minerals | Producer | Litterfall |
4. | Producer | Litterfall | Rock minerals | Detritus |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAbout 70% of total global carbon is found in
1. grasslands
2. agro-ecosystems
3. oceans
4. forests
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAnimals take phosphorous from
(1) water
(2) plants
(3) rock
(4) soil.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMost of the world's carbon is found:
1. As carbon dioxide in the atmosphere.
2. In living organisms.
3. As bicarbonate and carbonate ions dissolved in the oceans.
4. As carbonate minerals in sedimentary rock.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPhotosynthesis and respiration are central to which cycle?
1. The nitrogen cycle
2. The carbon cycle
3. The phosphorus cycle
4. The sulfur cycle
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe phosphorus cycle differs from the carbon cycle in that:
a. Phosphorus does not enter living organisms, whereas carbon does.
b. The phosphorus cycle does not include a gaseous phase, whereas the carbon cycle does.
c. The phosphorus cycle includes a solid phase, whereas the carbon cycle does not
d. The primary reservoir of the phosphorus cycle is the atmosphere, whereas the primary reservoir for the carbon cycle is in rock.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology