Geography - Questions and Answers, General Study (GK)

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Geography - Questions and AnswersPage 15

141.

The largest ecosystem of the Earth is

(a)Biosphere

(b)Hydrosphere

(c)Lithosphere

(d)Biome

Comment

Answer is: BNA

142.

An artificial ecosystem is represented by

(a)pisciculture tank

(b)agriculture land

(c)aquarium

(d)zoo

Comment

Answer is: CNA

143.

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

144.

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

145.

The term ecology was first used by

(a)G Taylor

(b)Tansley

(c)Ernst Haeckel

(d)Jean Brunhes

Comment

Answer is: CNA

146.

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

147.

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

148.

All components and individuals in an ecosystem are

(a)individualistic

(b)independent

(c)interdependent

(d)dispensable

Comment

Answer is: CNA

149.

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

150.

The amount of energy as it passes on from one tropic level to other in an ecosystem

(a)it increases

(b)it decreases

(c)it remains constant

(d)there is no definite relation

Comment

Answer is: BNA

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Geography - Questions and AnswersPage 15

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