One kilometer is equal to how many miles?
- (A) 0.85
- (B) 0.50
- (C) 0.62
- (D) 1.60
- (C) 0.62
The thinning of Ozone layer is resulting due to chlorofluorocarbons, which are used in:
- (A) Electric heaters and washing machine
- (B) Spray canes and refrigerators
- (C) Cigarette lighters and air conditioners
- (D) After shave locations
- (B) Spray canes and refrigerators
Earth is slightly flattened at the poles and so its shape is described as:
- (A) Pentagon
- (B) Asteroid
- (C) Geoid
- (D) Diamond
- (C) Geoid
“Stainless steel” is mainly an alloy of:
- (A) Chromium and nickel
- (B) Zinc and tin
- (C) Red brass and yellow brass
- (D) Copper and zinc
- (A) Chromium and nickel
The sunlight is composed of how many colors?
- (A) 3
- (B) 5
- (C) 7
- (D) 10
- (C) 7
Which of the following crop is most water-consuming?
- (A) Sugarcane
- (B) Cotton
- (C) Wheat
- (D) Maize
- (A) Sugarcane
Which of the following is a water-intensive crop?
- (A) Cotton
- (B) Maize
- (C) Rice
- (D) Wheat
- (C) Rice
1280 kilometers are nearly equal to how many miles?
- (A) 795 miles
- (B) 810 miles
- (C) 940 miles
- (D) 1000 miles
- (A) 795 miles
The inner core of an optical fiber is _______ in composition.
- (A) Glass or plastic
- (B) Copper
- (C) Bimetallic
- (D) Liquid
- (A) Glass or plastic
Name the first man to walk in the space in 1965?
- (A) Yuri Gagarin
- (B) Neil Armstrong
- (C) Alexei Leonov
- (D) Tereshkova
- (C) Alexei Leonov
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