Regarding the assertion and reason, choose the correct option:
Assertion [A]: Most reptiles are examples of thermophiles.
Reason [R]: Thermophiles can thrive only in low temperatures.
A
Both A and R are correct and R explains A
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B
Both A and R are correct but R does not explain A
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C
A is correct but R is incorrect
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D
Both A and R are incorrect
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Solution
The correct option is CA is correct but R is incorrect Stenothermal organisms are those which can thrive only within a limited temperature range. They could be further categorised into two groups- thermophiles and cryophiles. The former refers to those organisms which can thrive only in high temperatures (at least above 20∘C) while the latter includes organisms which can thrive only in lower temperatures (below 20∘C). Corals, some insects and a majority of the reptiles are thermophiles. Arctic crustaceans are examples of cryophiles.