(A) Joule (X) (B) Calories () (C) Tesla (X) (D) Proteins (X)
Answers: The energy value of food is measured in Calories.
(A) Carbon, Hydrogen and Oxygen () (B) Carbon, Hydrogen and Nitrogen (X) (C) Carbon, Oxygen and Nitrogen (X) (D) Hydrogen, Oxygen and Nitrogen (X)
Answers: The natural fats and oils are composed of Carbon, Hydrogen and Oxygen.
(A) Anemometer () (B) Barometer (X) (C) Hydrometer (X) (D) Hygrometer (X)
Answers: The instrument used to measure wind speed is Anemometer.
(A) Water () (B) Salts (X) (C) Minerals (X) (D) Glucose (X)
Answers: The source of oxygen in photosynthesis is Water.
(A) Carbon Dioxide (X) (B) Sulfur Dioxide (X) (C) Nitrous Oxide () (D) Sodium Oxide (X)
Answers: The gas, commonly known as “laughing gas”, is Nitrous Oxide.
(A) green leafy vegetables (X) (B) seeds (X) (C) fresh vegetables and fruits (X) (D) sea foods ()
Answers: The good sources of iodine are sea foods.
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