Answer : 4. "समशीतोष्ण पर्णपाती वन"
Explanation :

Temperate deciduous forests are found between 40° and 60° north and south of the equator. 

The rainfall is high, between 500-1,500 mm a year. 

The temperatures remain on average above 0°C even in the winter. 

The summer temperatures average between 25-20°C. The winter is cooler, encouraging the trees to shed their leaves.