Crop cultivation was first started in

  • A
    Nile river valley
  • B
    Chinese river valley
  • C
    Northern plains of India
  • D
    All of the above

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Similar Questions

Find the mismatched pair:

Match the columns:
Column-$I$ Column-$II$
$(a)$ Carrot $(1)$ Vitamin $C$
$(b)$ Bitter gourd $(2)$ Protein
$(c)$ Spinach $(3)$ Vitamin $A$
$(d)$ Peas $(4)$ Vitamin $B_{12}$
$(5)$ Iron

The Brown Plant Hopper is known as:

Identify the incorrect statement.

Vitamin $B_{12}$ is most abundantly found in:

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