Ecology MCQ Question with Answer

Ecology MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 1
Biome is

a part of the earth and its atmosphere which inhabits livings organisms

a community of organisms interacting with each other

the fauna and flora on land

the fauna and flora on ocean

Question No : 2
Soil particles are arranged in order of increasing size are

sand, silt and clay

silt, sand and clay

clay, sand and silt

clay, silt and sand

Question No : 3
The most polluted city in the world is

Tokyo

New York

Calcutta

Mexico

Question No : 4
In a food-chain, the saprophytic organisms are

producers

consumers

predators

decomposers

Question No : 5
Acid rain is

limited to industrial areas

presence of large quantity of SO^2 in the atmosphere

a natural phenomenon

presence of CO^2 in the atmosphere

Question No : 6
The term "ecosystem" was first proposed by

A.G. Tansely

H.T. Odum

Karl Mobius

None of these

Question No : 7
Plants growing on sea shores show characters of

hydrophytes

mesophytes

xerophytes

halophytes