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Question


Read the following statements and select the correct option.
Statement 1 The prickly pear cactus introduced into Australia in early 1920s caused by spreading rapidly into millions of hectares of rangeland
Statement 2 When certain exotic species are introduced into a geographical area, they become invasive and start spreading fast because the invaded land does not have its natural predators

A
Both statements 1 and 2 are are correct
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B
statement 1 is correct but statement 2 is incorrect
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C
statement 1 is incorrect but statement 2 is correct
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D
Both statement 1 and 2 are incorrect
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Solution

The correct option is A Both statements 1 and 2 are are correct
The prickly pear introduced in Australia in 1920's caused havoc by spreading rapidly into millions of hectares of rangeland ,due to absence of any natural predator to keep it's population check.It was finally controlled by introducing a cactus feeding "moth" from it's natural habitat.
So,the correct option is A. ( both statement 1 and 2 are correct )

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