79. In the balanced dietaries for a day of an adult "working man, weights of carbohydrate food and total protein food (both
    superior and inferior) should be in order of: [IAS 1994]
    (a) 420 gm and 420 gm respectively
    (b) 420 gm and 600 gm respectively
    (c) 600 gm and 420 gm respectively
    (d) 600 gm and 600 gm respectively
Ans: (c)
80. Which of the following are correctly matched?
         1) Tse tse fly sickness - Sleeping
         2) Female anopheles mosquito - Malaria
         3) Sand fly - Kala azar
    (a) 1 and 2
    (b) 2 and 3
    (c) 1 and 3
    (d) 1, 2 and 3
Ans: (d)
81. Which of the following elements are present in all proteins? [IAS 1995]
         1) Carbon
         2) Hydrogen
         3) Oxygen
         4) Nitrogen
    (a) 2 and 3
    (b) 1, 2 and 4
    (c) 1, 3 and 4
    (d) 1, 2, 3 and 4
Ans: (d)
82. Arrange the following in descending order of calorie content per 100 gram and choose the correct answer:
         1) Banana
         2) Sugar
         3) Rice
         4) Potato
    (a) 2, 3, 4, 1
    (b) 3, 2, 4, 1
    (c) 2, 4, 3, 1
    (d) 3, 4, 2, 1
Ans: (a)
83. Which of the following diseases is inheritable? [BSF 1989]
    (a) Leukaemia
    (b) Colour blindness
    (c) Malignancy
    (d) Hepatitis
Ans: (b)
84. Among the following elements which one is an essential for the transmission of impulses in the nerve fibre? [NDA 2010]
    (a) Calcium
    (b) Iron
    (c) Sodium
    (d) Zinc
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