71. Canola refers to special type of oil seed mustard varieties bred for human consumption. The main characteristic of these varieties is that the ______?
(a) Oil has very low Erucic acid content
(b) Oil is rich in unsaturated fatty acids
(c) Oil has long shelf-life
(d) Seeds have very high oil content
72. Which one of the following lakes forms an international boundary between Uganda and Tanzania ______?
(a) Zambezi
(b) Chad
(c) Victoria
(d) Malawi
73. Which of the following countries has the highest percentage of land under cultivation ______?
(a) Canada
(b) India
(c) USA
(d) China
74. Highest carbon content in which of the following form of iron ______?
(a) Wrought iron
(b) Mild steel
(c) Stainless steel
(d) Cast iron
75. Rows of trees grown along the coastal areas to reduce the impact of cyclones are called as ______?
(a) Shelter belts
(b) Wind breaks
(c) Mangroves
(d) Protection
76. What kind of soil is treated with gypsum to make it suitable for cropping ______?
(a) Alkaline
(b) Soil with excessive clay content
(c) Acidic
(d) Waterlogged
77. Which of the following is the smallest ocean of the world ______?
(a) Atlantic
(b) Pacific
(c) Indian
(d) Arctic
78. Which one of the following is the metamorphic rock ______?
(a) Sandstone
(b) Granite
(c) Marble
(d) Basalt
79. According to Simon Winchester’s book, how many Tectonic plates are there in the Earth ______?
(a) 6
(b) 16
(c) 26
(d) 36
80. All of following are planetary winds except ______?