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ICSE Class 9 Biology Question 9 of 11

Nutrition [Nutrition in General] — Question 5

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5
Question

Question 5

Mark the odd one out in each of the following cases and name the category to which the others belong:

  1. Xerophthalmia, Marasmus, Pellagra, Scurvy.

  2. Riboflavin, Thiamine, Folic acid, Iodine.

  3. Glucose, Fructose, Galactose, Lactose.

  4. Cellulose, Glycogen, Fructose, Starch.

  5. Calcium, Sodium, Iron, Potassium.

Answer

  1. Marasmus — Marasmus is the odd one out as it is a diseases caused by deficiency of Carbohydrates, fats and proteins whereas the others namely Xerophthalmia, Pellagra, Scurvy are vitamin deficiency diseases.

  2. Iodine — Iodine is the odd one out as it is a mineral element whereas the others namely Riboflavin, Thiamine, Folic acid are Vitamins.

  3. Lactose — Lactose is the odd one out as it is disaccharide or double sugar made up of galactose and glucose, whereas glucose, fructose and galactose are monosaccharides.

  4. Fructose — Fructose is the odd one out as it is water soluble sugar whereas cellulose, glycogen, and starch are polysaccharides that are not soluble in water.

  5. Iron — Iron is the odd one out as it is micronutrient whereas Calcium, Sodium and Potassium are macronutrients