Geography - Questions and Answers, General Study (GK)

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601.

A succession starting in a lake or river etc is called .......... succession.

(a)Xeric

(b)Hydric

(c)A Primary

(d)A Secondary

Comment

Answer is: B

602.

A xeric succession occurs in

(a)a desert region

(b)a mountains region

(c)a humid region

(d)a very cold region

Comment

Answer is: A

603.

The functioning of an ecosystem involves

(a)flow of energy and circulation of nutrients

(b)an increasing simplicity of relations

(c)increasing animal populations

(d)increasing number of trees and bushes etc

Comment

Answer is: A

604.

The Ecological pyramid that is always upright

(a)pyramid of energy

(b)pyramid of biomass

(c)pyramid of number

(d)None of these

Comment

Answer is: A

605.

The biotic component of an ecosystem can be divided into functional categories on the basis of food or energy source. Each such group of organisms forms a

(a)trophic community

(b)food chain

(c)food web

(d)species or organisms

Comment

Answer is: A

606.

What forms the first trophic level in any ecosystem?

(a)Herbivores

(b)Plants

(c)Carnivores

(d)Omnivores

Comment

Answer is: B

607.

The organisms who can synthesize their food by interacting with their environment are called

(a)Heterotrophs

(b)Autotrophs

(c)Self Dependent

(d)Consumers

Comment

Answer is: B

608.

In which of the following the maximum plant diversity is found?

(a)Tropical evergreen forests

(b)Tropical moist deciduous forests

(c)Sub-tropical mountain forests

(d)Temperate moist forests

Comment

Answer is: A

609.

If the amount of energy or biomass of the population of organisms at successive trophic levels is plotted as horizontal bars one above the other, it produces a

(a)square shape

(b)rectangular shape

(c)pyramid shape

(d)highly irregular shape

Comment

Answer is: C

610.

The ecological pyramid of numbers or biomass has a lesson for us that we should have .......food habits.

(a)non-vegetarian

(b)vegetarian

(c)high consumption

(d)intensive

Comment

Answer is: B

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Geography - Questions and AnswersPage 61

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