In which decade shown did wheat output grow fastest in percentage terms? A line graph of India's rice and wheat output in million tonnes, crop years 1950-51 to 1990-91. Rice: 20.6, 34.6, 42.2, 53.6, 74.3. Wheat: 6.5, 11.0, 23.8, 36.3, 55.1.

In which decade shown did wheat output…

In which decade shown did wheat output grow fastest in percentage terms?

Question 44

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In which decade shown did wheat output grow fastest in percentage terms?

A line graph of India's rice and wheat output in million tonnes, crop years 1950-51 to 1990-91. Rice: 20.6, 34.6, 42.2, 53.6, 74.3. Wheat: 6.5, 11.0, 23.8, 36.3, 55.1.

1960-61 to 1970-71Correct answerYour answer1950-51 to 1960-61Correct answerYour answer1970-71 to 1980-81Correct answerYour answer1980-81 to 1990-91Correct answerYour answer

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CorrectNot quiteAnswer A

Correct answer: A

1950s: 4.5 ÷ 6.5 ≈ 69%. 1960s: 12.8 ÷ 11.0 ≈ 116%.
1970s: 12.5 ÷ 23.8 ≈ 53%. 1980s: 18.8 ÷ 36.3 ≈ 52%.
The 1960s, when HYV wheat arrived, more than doubled output.

Worth noting

The 1980s added the most tonnes (18.8), but from a much larger base, so the percentage rise was smaller.

Concept: Green revolution in the data
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In which decade shown did wheat output grow fastest in percentage terms?

Question 44

Explanation