Ecology and Environment-Ecosystem (NEET Biology): Questions 87 - 93 of 112

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Question number: 87

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

Grasslands with scattered trees are called

Choices

Choice (4) Response

a.

Prairies

b.

Steppes

c.

Pampas

d.

Savanna

Question number: 88

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

The plant parts when fully decomposed by microorganism & mixed in the soil is called-

Choices

Choice (4) Response

a.

Mull

b.

Duff

c.

Litter

d.

Question does not provide sufficient data or is vague

Question number: 89

» Ecology and Environment » Ecosystem » Patterns, Components

Appeared in Year: 2001

MCQ▾

Question

What is the best pH of the soil for cultivation of plants: - [CPMT]

Choices

Choice (4) Response

a.

6.5 - 7.5

b.

5.5 - 6.5

c.

4.5 - 8.5

d.

3.4 - 5.4

Question number: 90

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

Forests near equator region are called -

Choices

Choice (4) Response

a.

Deciduous

b.

Temperate forests

c.

Tropical rain forests

d.

Coniferous forests

Question number: 91

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

Phytotron is a device by which -

Choices

Choice (4) Response

a.

Electrons are bombarbed

b.

Plants are grown in controlled environment

c.

Protons are liberated

d.

Mutations are produced in plants

Question number: 92

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

MCQ▾

Question

Concept of Ecological pyramid was given by: -

Choices

Choice (4) Response

a.

Reiter

b.

Odum

c.

Elton

d.

Darwin

Question number: 93

» Ecology and Environment » Ecosystem » Energy Flow

MCQ▾

Question

In an ecosystem,

Choices

Choice (4) Response

a.

Primary consumers are larger than primary producers

b.

Secondary consumers are larger than primary producers

c.

Primary consumers are least depend on primary producers

d.

Primary producers are more than primary consumers

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