Ecosystems (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 6 of 28

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Question number: 1

» Ecosystems » Ecosystem Types and Diversity

Appeared in Year: 2015

MCQ▾

Question

Tropical grasslands with scattered trees are also known as (December)

Choices

Choice (4) Response

a.

Taigas

b.

Savannas

c.

Meadows

d.

Steppe

Question number: 2

» Ecosystems » Community Ecology

Appeared in Year: 2015

MCQ▾

Question

Speciation means - (December)

Choices

Choice (4) Response

a.

Characterization of different species

b.

One species splits into two or more different species naturally

c.

Artificial process of extinction of different species

d.

Natural process of extinction of different species

Question number: 3

» Ecosystems » Ecological Succession

Appeared in Year: 2015

MCQ▾

Question

The ability of a living system to be restored through secondary succession alter a more severed disturbance is known as: (December)

Choices

Choice (4) Response

a.

Resilience

b.

Rehabilitation

c.

Resistance

d.

Restoration

Question number: 4

» Ecosystems » Parasitism, Prey - Predator Relationships

Appeared in Year: 2015

MCQ▾

Question

Most of Epiphytes are examples of type al biotic interactions called.

Choices

Choice (4) Response

a.

commensalism

b.

Coevolution

c.

Parasitism

d.

Mutualisms

Question number: 5

» Ecosystems » Ecological Succession

Appeared in Year: 2015

MCQ▾

Question

Secondary succession begins at (December)

Choices

Choice (4) Response

a.

Newly cooled lava

b.

Base rock

c.

Newly created shallow pond

d.

Burnt forest

Question number: 6

» Ecosystems » Ecosystem Types and Diversity

Appeared in Year: 2015

MCQ▾

Question

Which one of the following is the most productive ecosystem? (December)

Choices

Choice (4) Response

a.

Lakes and stream

b.

Continental shelf

c.

Estuaries

d.

Open ocean

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