449. How many major sea ports are there in India ?
450. Heavy rainfall during the months of October and November is received by
A.Gharo, Khasi and aintia hills
B.Chota Nagpur Plateau
451. A crop grown in zaid season is
452. Afforestation is the process of
B.planting more trees
C.cutting down trees
D.collecting forest resources
453. The longest dam in India is
B.Nagarjuna Sagar Dam
454. Which is the artificial port of India?
C.Chennai or Madras
455. Which one of the following is known as the 'Pearl City'?
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