Question

Which of the following is an example of an inorganic substance required for plant growth?

Options

• Glucose and cellulose

• Enzymes and antibodies

• Hydrogen, oxygen, nitrogen, calcium, and iron

• Carbohydrates and lipids

Answer 1

Inorganic substances such as hydrogen, oxygen, nitrogen, calcium, iron, potassium, and sodium are basic elements required for the growth of plants and animals. These are part of the chemical factors in abiotic components.