306. Pregnant women usually become deficient in: [CDS 1994]
     (a) sodium and calcium
     (b) iron and sodium
     (c) calcium and iron
     (d) magnesium and iron
Ans: (c)
307. Which of the following diseases is/are sexually transmitted?
     1) Syphilis
     2) Gonorrhoea
     3) AIDS
     (a) 1 and 3
     (b) 2 and 3
     (c) 3 only
     (d) 1, 2 and 3
Ans: (d)
308. Which of the" following will provide maximum roughage to our diet, if taken in equal mass?
     (a) Tomato
     (b) Egg
     (c) Cabbage
     (d) Grapes
Ans: (c)
309. Which one of the following disease is absent in India? [IFS 1990]
     (a) AIDS
     (b) Leprosy
     (c) Filaria
     (d) Small pox
Ans: (c)
310. Three important micronutrients essential for humans are: [IAS 1992]
     (a) copper, zinc and iodine
     (b) zinc, copper and potassium
     (c) nitrogen, zinc and iodine
     (d) sulphur, copper and iron
Ans: (a)
311. Which of the following diseases is most likely to be developed by a worker engaged in cutting and grinding of stones for
     several years?
     (a) Cretinism
     (b) Asbestosis
     (c) Botulism
     (d) Silicosis
Ans: (a)
312. Urine of a diabetes patient contains more than average quantity of" which of the following? [NDA 1993]
     (a) Sugar
     (b) Uric acid
     (c) Urea
     (d) Albumin