Environment Questions, General Study (GK)

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Environment QuestionsPage 1

In a food chain, the solar energy utilized by plants is only

(a)10%

(b)0.01%

(d)1%

Comment

Answer is: ANA

The largest ecosystem of the Earth is

(a)Biosphere

(b)Hydrosphere

(c)Lithosphere

(d)Biome

Comment

Answer is: BNA

An artificial ecosystem is represented by

(a)pisciculture tank

(b)agriculture land

(c)aquarium

(d)zoo

Comment

Answer is: CNA

The Sun is a

(a)producer of water

(b)secondary source of energy

(c)primary producer of energy

(d)tertiary producer of energy

Comment

Answer is: CNA

Man can maintain an ecological balance in the biosphere by

(a)deforestation

(b)forestation

(c)suing insecticides and pesticides

(d)understanding the delicated balance in the relative number of organisms

Comment

Answer is: DNA

The term ecology was first used by

(a)G Taylor

(b)Tansley

(c)Ernst Haeckel

(d)Jean Brunhes

Comment

Answer is: CNA

A term biotype means

(a)all individuals having same phenotype

(b)all individuals having same genotype

(c)all individual with different phenotype

(d)all individuals with different genotype

Comment

Answer is: BNA

An ecosystem is a/an

(a)undisturbed natural gas

(b)system of organisms and their environment

(c)area rich in wildlife having no humans

(d)very large area of uniform environment conditions

Comment

Answer is: BNA

All components and individuals in an ecosystem are

(a)individualistic

(b)independent

(c)interdependent

(d)dispensable

Comment

Answer is: CNA

10.

The food web is

(a)a very long straight linked food chain

(b)a moderate sized food chain having many tropic levels

(c)a series of food chains having frequent inter-links

(d)a circular food chain

Comment

Answer is: CNA

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Environment QuestionsPage 1

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