Ecology and Environment-Ecosystem (NEET Biology): Questions 45 - 51 of 108

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Question number: 45

» Ecology and Environment » Ecosystem » Ecological Services-Carbon Fixation, Pollination, Oxygen Release

MCQ▾

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

b.

Sater

c.

All of these

d.

Dust particles

Question number: 46

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

A biogeochemical cycle without an atmospheric component is

Choices

Choice (4) Response
a.

Sulphur cycle

b.

Carbon cycle

c.

Nitrogen cycle

d.

Phosphorus cycle

Question number: 47

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

The order of organism in an aquatic food chain is

Choices

Choice (4) Response
a.

Diatom→ Crustacea→ Fish→ Seal→ Bacteria

b.

Bacteria→ Seal→ Diatom→ Fish→ Crustacea

c.

Polar Bear→ Diatom→ Seal→ Crustacea

d.

Crustacea→ Seal→ Fish→ Polar Bear→ Diatom

Question number: 48

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

Biogeochemical cycling refers to cycling of

Choices

Choice (4) Response
a.

Nutrients in the ecosystem.

b.

Gases between plants and animals.

c.

Energy in the ecosystem.

d.

Water in the ecosystem.

Question number: 49

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

In an ecosystem, there are more prey than predators. This relationship is called

Choices

Choice (4) Response
a.

Predator- prey relationship

b.

Pyramid of number

c.

Succession

d.

Food webs

Question number: 50

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

Which of the following cycle would be affected if decomposers of an ecosystem vanish?

Choices

Choice (4) Response
a.

Biogeochemical cycle

b.

Producer’s cycle

c.

Consumer’s cycle

d.

Decomposers’s cycle

Question number: 51

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

Fishing and Guano assist the cycling of

Choices

Choice (4) Response
a.

Phosphorus

b.

Carbon

c.

N2 and carbon both

d.

Nitrogen

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