Ecology and Environment-Ecosystem (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology): Questions 45 - 51 of 125
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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 | |
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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 | |
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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 | |
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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 | |
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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 | |
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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 | |
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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 | |
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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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