Question 29
Photosynthesis and Plant NutritionIn a water culture experiment a plant showed poor growth and yellowing of the leaves. These symptoms were probably due to the absence of
- A.calcium
- B.phosphorus
- C.iron
- D.zinc
- E.copper
Show the answer and explanation
Answer: C (iron)
Explanation
Iron is needed to make chlorophyll; without it leaves turn yellow (chlorosis) and growth is poor.