NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Botany
- Chapter
- Mineral Nutrition
NTA Abhyas 2020 · Botany · Mineral Nutrition
A small aquatic plant was put in each of the petri dishes X and Y...
A small aquatic plant was put in each of the petri dishes X and Y containing different culture solutions. After six weeks, the plant in dish X had the same number of leaves as earlier, and all leaves were small and yellowish. The plant in dish Y had more leaves of normal size and dark green colour. Which of the following set of elements would be missing in the culture of dish X?
Options
- AMagnesium, Phosphorus, Nitrogen
- BPotassium, Sulphur, Calcium
- CIron, Manganese, Boron
- DCopper, Zinc, Chlorine
Correct answer
A. Magnesium, Phosphorus, Nitrogen
Step-by-step solution
The types of deficiency symptoms shown in plants include chlorosis, necrosis, stunted plant growth, premature fall of leaves and buds and inhibition of cell division. Chlorosis is the loss of chlorophyll leading to yellowing in leaves. This symptom is caused by the deficiency of elements N, K, Mg, S, Fe, Mn, Zn and Mo.