721. Which of the following crops needs maximum water per hectare ?
A. Barley
B. Maize
C. Sugarcane
D. None of these

722. Black volcanic soil and tropical climate is most suitable without excess rainfall for which crop ?
A. Jute
B. Tobacco
C. Cotton
D. None of these

723. The low heating capacity of which of the types of coal reduces its value as an industrial fuel ?
A. Anthracite
B. Bituminous coal
C. Lignite
D. Peat

724. The highest grade of coal whose surface is shining and has the highest calorific value is ?
A. Lignite
B. Peat
C. Bituminous
D. Anthracite

725. The crop most susceptible to frost is ?
A. Wheat
B. red gram
C. Cotton
D. black gram

726. Which is the most famous waterfall of the world ?
A. Superior
B. Balkan
C. Niagara
D. Angel

727. Which of the following countries lead in the production of tea in the world ?
A. Kenya
B. Myanmar
C. SriLanka
D. Japan

728. The World biggest oil refinery is situated in ?
A. Saudi Arabia
B. Iran
C. Kuwait
D. Iraq

729. What is the currency of Georgia ?
A. Dollar
B. Lari
C. Peso
D. Pound

730. Which of the following countries lead in the production of chromites in the world ?
A. China
B. USA
C. Canada
D. South Africa