Ecology and Environment-Ecosystem (NEET Biology): Questions 45 - 51 of 112
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Question number: 45
» Ecology and Environment » Ecosystem » Ecological Services-Carbon Fixation, Pollination, Oxygen Release
Question
The phosphorus cycle differs from those of carbon and nitrogen as well as those of sulphur, oxygen and hydrogen in that it lacks
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Gaseous phase |
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| b. | Sater |
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| c. | All of these |
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| d. | Dust particles |
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Question number: 46
» Ecology and Environment » Ecosystem » Nutrient Cycling
Question
A biogeochemical cycle without an atmospheric component is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Sulphur cycle |
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| b. | Carbon cycle |
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| c. | Nitrogen cycle |
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| d. | Phosphorus cycle |
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Question number: 47
» Ecology and Environment » Ecosystem » Patterns, Components
Question
The order of organism in an aquatic food chain is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Diatom→ Crustacea→ Fish→ Seal→ Bacteria |
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| b. | Bacteria→ Seal→ Diatom→ Fish→ Crustacea |
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| c. | Polar Bear→ Diatom→ Seal→ Crustacea |
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| d. | Crustacea→ Seal→ Fish→ Polar Bear→ Diatom |
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Question number: 48
» Ecology and Environment » Ecosystem » Nutrient Cycling
Question
Biogeochemical cycling refers to cycling of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Nutrients in the ecosystem. |
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| b. | Gases between plants and animals. |
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| c. | Energy in the ecosystem. |
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| d. | Water in the ecosystem. |
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Question number: 49
» Ecology and Environment » Ecosystem » Productivity and Decomposition
Question
In an ecosystem, there are more prey than predators. This relationship is called
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Predator- prey relationship |
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| b. | Pyramid of number |
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| c. | Succession |
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| d. | Food webs |
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Question number: 50
» Ecology and Environment » Ecosystem » Nutrient Cycling
Question
Which of the following cycle would be affected if decomposers of an ecosystem vanish?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Biogeochemical cycle |
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| b. | Producer’s cycle |
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| c. | Consumer’s cycle |
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| d. | Decomposers’s cycle |
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Question number: 51
» Ecology and Environment » Ecosystem » Nutrient Cycling
Question
Fishing and Guano assist the cycling of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Phosphorus |
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| b. | Carbon |
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| c. | N2 and carbon both |
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| d. | Nitrogen |
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