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Study the following statements and select the correct ones.

 (i) Organisms capable to tolerate a wide range of temperature are called stenothermal organisms,

 (ii) Thermal tolerance of different species determines their geographical distribution to a large extent.

(iii) Average temperature in tropical deserts in summer is <50^{\circ}C

(iv) Thermal springs cannot sustain life due to very high average temperature. i.e >100^{\circ}C

Option: 1

(i) only


Option: 2

(ii) only


Option: 3

(i),(ii),and (iii)


Option: 4

(i),(iii),and (iv)


Answers (1)

best_answer

As we have learnt in Major Abiotic Factors: Temperature & Water -

 Temperature is the most ecologically relevant environmental factor.

- wherein

The average temperature on land varies seasonally, decreases progressively from the equator towards the poles and from plains to the mountain tops. It ranges from subzero levels in polar areas and high altitudes to >50oC in tropical deserts in summer.

Hence, the correct option is (b). 

 

Posted by

Ajit Kumar Dubey

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