Correct option is B
The first World Orchid Conference was held in (b) USA, specifically in St. Louis, Missouri, in 1954.
The first World Orchid Conference was held in (b) USA, specifically in St. Louis, Missouri, in 1954.
Which tree crop is suitable for marshy areas?
If tree crops are planted at a spacing of 2.5 m × 2.0 m, the number of trees per hectare is
Suggested Test Series
Suggested Test Series