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Blossom end rot in tomatoes is caused by a deficiency of:

AChromium
BCalcium
CCarbon
DChlorine
Answer & Solution
Correct answer: B. Calcium
1. The fruit end breaks down as it ripens. 2. One macronutrient is missing. 3. That element is calcium. _Source: OpenStax Biology 2e, Chapter 31, Soil and Plant Nutrition._
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