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Synecology is the study of

A. community in relation to environment

B. individuals

C. environment

D. water

Correct Answer :

A. community in relation to environment


Related Questions

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Which one is the direct ecological factor ?

A. Soil structure

B. Wind

C. Temperature

D. Climate

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Trophic levels are formed by

A. plants only

B. animals only

C. carnivorous animals only

D. organisms linked in food-chains

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A food-chain consists of

A. producer only

B. producers and consumers

C. consumers only

D. decomposers only

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Gas liberated in Bhopal gas tragedy was

A. methyl isocyanide

B. phenyl isocyanide

C. ethylene

D. acetylene

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Plants growing on sea shores show characters of

A. hydrophytes

B. mesophytes

C. xerophytes

D. halophytes

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The total set of feeding relationships in a biotic community is called

A. a food chain

B. trophic levels

C. food webs

D. ecosystem

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Strontium- 90 can cause

A. lung diseases

B. bone cancer

C. leukaemia

D. skin cancer

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An association between two or more species in which both are benefited is known as

A. commensalism

B. symbiosis

C. mutualism

D. cooperation

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The main cause of soil erosion in India is

A. drought

B. heavy rainfall

C. deforestation

D. heavy winds

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In an ecosystem the population of

A. primary producers is larger than that of primary consumers

B. secondary consumers is the largest because they are most powerful

C. primary consumers is the least dependent upon primary producers.

D. primary consumers outnumber primary producers

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Which of the following is an anti-forest conservation activity ?

A. Economy in timbering

B. Clear falling of trees

C. Prevention of fibres

D. Preservation of wild animals

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A pond is

A. a biome

B. a natural ecosystem

C. an artificial ecosystem

D. a community of plants and animals

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The term "ecosystem" was first proposed by

A. A.G. Tansely

B. H.T. Odum

C. Karl Mobius

D. None of these

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The whale is

A. primary producer

B. carnivorous secondary consumer

C. herbivorous

D. a decomposers

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All the living organisms on earth constitute

A. biome

B. biosphere

C. community

D. population

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The source of energy in an ecosystem is

A. light received from sun

B. heat liberated during respiration

C. heat liberated during fermentation

D. none of these

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Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicles in Delhi

A.
 Fly ash    

B. so2

C.  Hydrocarbon gases

D. CO

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One always finds many more of the prey species than of the predator. This is called a

A. food web

B. pyramid of numbers

C. pyramid of succession

D. none of these

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Trophic levels are formed by

A. plants only

B. animals only

C. organisms linked in food chains

D. all of these

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4

Synecology is the study of

A. environment

B. individual

C. specific species

D. plant community

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Smog is a combination of

A. air and water

B. water and smoke

C. smoke and fog

D. fire and water

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Animals in cold regions have fur because

A. hair is a good insulating material

B. hairs trap air which acts as insulator

C. they like fur

D. none of these

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Ultra-violet radiation from sunlight causes the reaction that produce

A. CO    

B. so2

C. o3

D.
 Fluorides

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An organism which lives at the expense of another organism is called

A. predator

B. prey

C. host

D. parasite

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The soils transported by water are called

A. peat

B. alluvial

C. colluvial

D. none of these

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Association of a sea-anemone with hermit crab living in a gastropod shell is an example of

A. mutualism

B. commensalism

C. symbiosis

D. parasitism

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Silent valley of Kerala is preserved because

A. it contains timber trees

B. it harbours lions

C. it harbours elephants

D. it contains rare animals and plants

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Biome is

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

B. a community of organisms interacting with each other

C. the fauna and flora on land

D. the fauna and flora on ocean

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Animals which live at the bottom of the sea are called

A. leutic

B. benthic

C. pelagic

D. none of these

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Some animals have a constant high body temperature. This is because

A. they like this temperature

B. they can work fast in the temperature

C. they prefer to live in cold region

D. they are active animals