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Q.

 In a comparative analogy between the aeroplane and ecosystem (the rivet popper hypothesis) used by Paul Ehrlich, find out the correct matching.

 Column I Column II
A.RivetsiEcosystem
BAeroplaneiiSpecies
CPopping a rivetiiiKey species
DRivets on the wingsivProper functioning of ecosystem
EFlight safetyvA species to become extinct
 ABCDE
1iiiiiiivv
2iiiivviii
3iiiviviii
4iiiviiiiv

 

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a

1

b

2

c

3

d

4

answer is D.

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Detailed Solution

Components of Rivet popper hypothesisAnalogy
RivetsSpecies
AeroplaneEcosystem
Popping a rivetA species to become extinct
Rivets on the wingsKey species
Flight safetyProper functioning of ecosystem
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