Water: Midterm Multiple Choice Questions
What is the freezing point of water? A) 30°F B) 20°F C) 22°F D) 25°F E) 32°F F) 31°F
ANSWER: E
Which of the following needs the LEAST amount of water to cultivate? A) Cane Sugar B) Coffee C) Cheese D) Wheat E) Tea F) Millet
ANSWER: E
What is the typical water activity for fresh meat? A. 0.1 B. 1 C. 0.44 D. 0.98
ANSWER: D
What makes up the majority of most foods? A) Protein B) Carbohydrates C) Lipids D) Water
ANSWER: D
What does IQF stand for? A) Individual Quickly Fresh B) Intense Quickly Fresh C) Individually Quick Frozen D) Intense Quick Freeze
ANSWER: C
Which food has the highest percentage of water (at 95%) A) Broccoli B) Carrot C) Lettuce D) Yogurt E) Orange Juice F) Apple
ANSWER: C
Which country has the highest average daily water usage per person? A) Australia B) China C) Spain D) United States E) Russia
ANSWER: D
Which city pays the most for water? A. Manila B. London C. New York D. Barranquilla E. Accra
ANSWER: D
How many oxygen atoms are there in a molecule of water? A) 1 B) 2 C) 3 D) 4 E) 5
ANSWER: A
Up to what percent of the human adult body is water? A) 30-40% B) 10-20% C) 90-95% D) 60-70% E) 80-90%
ANSWER: D
How many people in the world lack access to clean water? A.) 400 Million B.) 100 Million C.) 900,000 D.) 750 Million
ANSWER: D
How much water should an average adult consume per year? A) 400 L B) 300 L C) 400 ml D) none of the above
ANSWER: A
What is pH? A) pH is negative logarithm of the hydrogen ion concentration in mol/L (molecules per liter) B) pH is positive logarithm of the oxygen ion concentration in mol/L (molecules per liter) C) pH is negative logarithm of the carbon ion concentration in mol/L (molecules per liter) D) pH is positive logarithm of the protein ion concentration in mol/L (molecules per liter)
ANSWER: A
What is the boiling point of water? A) 212°F B) 267°F C) 285°F D) 211°F E) 201°F F) 200°F
ANSWER: A
What percent of the world's water is salt water? A) 97% B) 50% C) 78% D) 26% E) 99% F) 89%
ANSWER: A
Which is a common property of Sugars? A) Soluble in water B) Not used for sweetness C) Lack of energy supply D) Clearness of color when heating E) Difficulty fermented F) Readily growth of microorganisms
ANSWER: A
Which liquid is most acidic on the pH scale? A. Orange Juice B. Milk C. Black Coffee D. Household Ammonia
ANSWER: A
What are the compositions of food? A) Water, protein, carbohydrate, lipid B) Water, protein, carbohydrate, lipid, ash C) Water, vitamins, protein, carbohydrate, lipid, ash D) Water, sugar, carbohydrate, protein E) Water, sugar, carbohydrate, lipid
ANSWER: B
What is the result of using RainX on a car windshield when it is raining? A) The water splatters B) The water beads, and then rolls off C) Water doesn't touch the windshield D) The Wipers catch the water in tiny receptacles
ANSWER: B
Where does the majority of the worlds potable freshwater derive from? A) Glaciers B) River and Lakes C) The Ground D) The Ocean E) Air Humidity F) Mountain Snow Caps
ANSWER: B
In order to be considered an acid, what does the pH level need to be? A) above 7 B) above 14 C) below 7 D) exactly 7
ANSWER: C
Raw meat is made up of ~ ____% water A) 20% B) 35% C) 75% D) 90% E) 0% F) 100%
ANSWER: C
Which of these uses the most water for processing? A) Barley B) Wheat C) Beef D) Milk E) Tea
ANSWER: C