Ecology and Environment (NEET Biology): Questions 19 - 25 of 236

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Question number: 19

» Ecology and Environment » Biodiversity and Its Conservation » National Parks and Sanctuaries

MCQ▾

Question

A high density of a protected animal in National Park can result into

Choices

Choice (4) Response

a.

Predation

b.

Mutualism

c.

Emigration

d.

Intraspecific competition

Question number: 20

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

MCQ▾

Question

If decomposers are removed what will happen to ecosystem?

Choices

Choice (4) Response

a.

Rate of decomposition of mineral increases.

b.

Energy cycle is stopped.

c.

Consumers cannot absorb solar energy.

d.

Mineral cycle is stopped.

Question number: 21

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

MCQ▾

Question

In a food web, each successive trophic level has

Choices

Choice (4) Response

a.

Non estimated energy content

b.

More total energy content

c.

Less total energy content

d.

Increased total energy

Question number: 22

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

Salinity of the soil is often caused due to

Choices

Choice (4) Response

a.

Rapid evaporation of surface water.

b.

Accumulation of soluble minerals near or in the surface in arid region.

c.

Excessive addition of water.

d.

Excessive leaching.

Question number: 23

» Ecology and Environment » Biodiversity and Its Conservation » Biodiversity Conservation

MCQ▾

Question

An orthodox seed is one which can

Choices

Choice (4) Response

a.

Tolerate dehydration and low temperature.

b.

Tolerate low temperature but not dehydration.

c.

Tolerate dehydration but not low temperature.

d.

None of the above

Question number: 24

» Ecology and Environment » Ecosystem » Ecological Succession

MCQ▾

Question

In succession the seral forms are

Choices

Choice (4) Response

a.

Small sized

b.

Long lived

c.

Slow growing

d.

Large sized

Question number: 25

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

Which one of the following is a right matching pair of certain organisms (s) and the kind of association?

Choices

Choice (4) Response

a.

Algae and fungi in lichens-Mutualism

b.

Orchids growing on trees-Parasitism

c.

Shark and sucker fish-Amensalism

d.

Cuscuta (dodder) growing in other flowering plants-epiphytism.

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