Ecology and Environment-Ecosystem (NEET Biology): Questions 13 - 19 of 108

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Question number: 13

» 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: 14

» 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: 15

» 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.

Question number: 16

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

MCQ▾

Question

Inverted pyramid is found in.

Choices

Choice (4) Response

a.

Biomass pyramid of grassland.

b.

Biomass pyramid of aquatic system.

c.

Pyramid of number of aquatic grassland.

d.

Energy pyramid of grassland.

Question number: 17

» Ecology and Environment » Ecosystem » Ecological Succession

MCQ▾

Question

MAB stands for

Choices

Choice (4) Response

a.

Man and biosphere.

b.

Man, antibiotics and bacteria.

c.

Man and biotic community.

d.

Mayer, Anderson and Bishby.

Question number: 18

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

MCQ▾

Question

Burning of fossil fuels affects

Choices

Choice (4) Response

a.

Phosphorus cycle

b.

Nitrogen cycle

c.

Carbon cycle

d.

Water cycle

Question number: 19

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

MCQ▾

Question

When peacock eat snakes which eat insects thriving on green plants, the peacock is

Choices

Choice (4) Response

a.

A primary decomposer

b.

The apex of food pyramid

c.

Final decomposer

d.

A primary consumer

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