Question

Some chemical elements are required in large amounts by the plants for their proper growth. These inorganic elements are called macronutrients or macroelements. Which of the following elements do not come under the category of macronutrients?
i. Phosphorous
ii. Manganese
iii. Magnesium
iv. Iron
(a) Both (i) and (ii)
(b) Only (ii)
(c) Both (ii) and (iv)
(d) Both (ii) and (iii)​

Answer 1

Answer:

C

Explanation:

Because Iron & Manganese are micro-nutrients

Answer 2

option c is the correct answer .

The essential elements can be divided into macronutrients and micronutrients. Nutrients that plants require in larger amounts are called macronutrients. About half of the essential elements are considered macronutrients: carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur.

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