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Crop Yields Quiz

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9th Grade

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Crop Yields Quiz
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28 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of crops benefit most from increased CO₂ levels?

C4 crops like maize

C3 crops like wheat and rice

All crops benefit equally

No crops benefit from increased CO₂

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a potential positive effect of climate change in high-latitude regions?

Increased rainfall

Longer growing seasons

Fewer pests

Less extreme weather events

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

By how much could maize yields be reduced during a week of temperatures above 35°C during flowering?

10%

25%

40%

60%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which crop is expected to be most negatively affected by climate change?

Wheat

Rice

Maize

Soybeans

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What effect can waterlogging have on wheat yields?

5-10% reduction

15-20% reduction

25-35% reduction

50-60% reduction

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the typical fertiliser application rate in Sub-Saharan Africa?

5-10 kilograms per hectare

50-60 kilograms per hectare

100-150 kilograms per hectare

300-400 kilograms per hectare

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a sign of good Nitrogen Use Efficiency (NUE)?

Values below 40%

Values between 60-80%

Values above 100%

Values between 10-20%

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