Question

Essential macronutrients are

• A. Manufactured during photosynthesis
• B. Produced by growth hormones
• C. Absorbed from soil
• D. Produced by enzymes

Answer 1

The correct option is C Absorbed from soil

Essential macronutrient are those essential elements which are generally present in the large amount in the plant tissues i.e., in excess of 10 mmole per Kg of dry matter, e.g. carbon, nitrogen, hydrogen, potassium, phosphorus, sulphur and magnesium etc. They are absorbed from the soil by the roots.

So, the correct answer is 'Absorbed from soil'