1996 General Studies, all questions
UPSC Prelims 1996 · General Studies
Question 113: Science and Technology
Besides proteins and carbohydrates, other elements of nutritional value found in milk include
acalcium, potassium and iron
bcalcium and potassium
cpotassium and iron
dcalcium and iron
AnswerThe answer is (b).
Milk is a good source of calcium and potassium, along with proteins and carbohydrates (lactose); it is low in iron, which is why infants need iron from other foods after the early months. So calcium and potassium is the correct combination. Remember: milk - rich in calcium, poor in iron.
Why each option is right or wrong
- (a) Milk is a poor source of iron.
- (b) Right: calcium and potassium.
- (c) Includes iron, which milk lacks in useful amounts, and leaves out calcium.
- (d) Includes iron and leaves out potassium.
Explanation: written by UPSC Grade, not by UPSC.
Source: UPSC, Civil Services (Preliminary) Examination 1996, General Studies. UPSC's own paper isn't online; the words are from a published compilation. The paper on upsc.gov.in.