Minerals known to be required in large amounts for plant growth include
(a) Phosphorus, potassium, sulphur, calcium
(b) calcium, magnesium, manganese, copper
(c) potassium, phosphorus, selenium, boron
(d) magnessium, sulphur, iron, zinc
Minerals known to be required in large amounts for plant growth are macronuterients. According to question, option (a) is correct, i.e phosphorus, potassium, sulphur, calcium
Macronutrients are consumed in large quantities and are required for plant tissues from 0.2% to 0.4% (on dry matter weight basis). Following are the rest of the macronutrains as:
Carbon, hydrogen, oxygen, nitrogen, magnesium, silicon.