Comprehension
The graph given below shows the quantity of milk and food grains consumed annually along with female and male population (in millions). Use the data to answer the questions that follow
Question: 1
When was the per capita production of milk least?
When was the per capita production of milk least?
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Always sum male and female population to get total population for per capita calculations.
Updated On: Aug 6, 2025
- 1990
- 1992
- 1994
- 1996
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The Correct Option is B
Solution and Explanation
Per capita production of milk = \(\frac{\text{Milk production (gallons in millions)}}{\text{Total population (millions)}}\)
From the graph: - 1990: Milk ≈ 7, Population ≈ 33+34=67 → ratio ≈ 0.104 - 1991: ratio slightly higher - 1992: Milk ≈ 7, Population ≈ 35+36=71 → ratio ≈ 0.098 (lowest) - Later years have higher ratios. Thus, the least per capita milk production occurred in 1992.
From the graph: - 1990: Milk ≈ 7, Population ≈ 33+34=67 → ratio ≈ 0.104 - 1991: ratio slightly higher - 1992: Milk ≈ 7, Population ≈ 35+36=71 → ratio ≈ 0.098 (lowest) - Later years have higher ratios. Thus, the least per capita milk production occurred in 1992.
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Question: 2
When was the per capita production of food grains most?
When was the per capita production of food grains most?
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Check visually for peaks in production and low population years for higher per capita values.
Updated On: Aug 6, 2025
- 1992
- 1993
- 1994
- 1995
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The Correct Option is C
Solution and Explanation
Per capita food grain production = \(\frac{\text{Food grains (tonnes in millions)}}{\text{Total population}}\)
From the graph: - 1994: Food grains ≈ 34, Population ≈ 36+38=74 → ratio ≈ 0.459 This is the highest among all years; other years have lower ratios.
From the graph: - 1994: Food grains ≈ 34, Population ≈ 36+38=74 → ratio ≈ 0.459 This is the highest among all years; other years have lower ratios.
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Question: 3
In which year was the difference between the percentage increase in the production of food grains and milk maximum?
In which year was the difference between the percentage increase in the production of food grains and milk maximum?
Show Hint
When dealing with “difference in percentage increase,” always take absolute difference of % changes.
Updated On: Aug 6, 2025
- 1993
- 1994
- 1995
- 1996
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The Correct Option is C
Solution and Explanation
We calculate % change year-on-year for both milk and food grains, then find the difference:
1995: Food grains jump ≈ from 34 to 28 (fall) vs milk from ~7.5 to ~7 → difference is largest in magnitude compared to other years.
Hence 1995.
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Question: 4
If milk contains 320 calories and food grains contain 160 calories, in which year was the per capita consumption of calories highest?
If milk contains 320 calories and food grains contain 160 calories, in which year was the per capita consumption of calories highest?
Show Hint
High calorie total requires both high quantity and high caloric density items.
Updated On: Aug 6, 2025
- 1993
- 1994
- 1995
- 1996
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The Correct Option is B
Solution and Explanation
Per capita calories = \(\frac{320 \times \text{Milk (million gallons)} + 160 \times \text{Food grains (million tonnes)}}{\text{Population}}\)
From data, 1994 had both high milk and high food grain per capita production, thus maximum calories.
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Question: 5
If one gallon milk contains 120 g nutrient and one tonne food grains contains 80 g nutrient, in which year was the availability of this nutrient maximum?
If one gallon milk contains 120 g nutrient and one tonne food grains contains 80 g nutrient, in which year was the availability of this nutrient maximum?
Show Hint
Nutrient availability formula mirrors calorie calculation; replace calorie factors with nutrient factors.
Updated On: Aug 6, 2025
- 1993
- 1994
- 1995
- 1996
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The Correct Option is B
Solution and Explanation
Availability = \(120 \times \text{Milk} + 80 \times \text{Food grains}\) per capita.
1994 again leads due to highest per capita food grain and high milk values.
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Question: 6
Referring to the above question, in which year was the per capita consumption of this nutrient highest?
Referring to the above question, in which year was the per capita consumption of this nutrient highest?
Show Hint
When total and per capita maxima occur in the same year, it’s usually due to favorable population size.
Updated On: Aug 6, 2025
- 1993
- 1994
- 1995
- 1996
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The Correct Option is B
Solution and Explanation
Per capita = \(\frac{\text{Total nutrient amount}}{\text{Population}}\)
Since 1994 had the highest total nutrient availability and relatively moderate population growth, it also yields the highest per capita nutrient consumption.
Since 1994 had the highest total nutrient availability and relatively moderate population growth, it also yields the highest per capita nutrient consumption.
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