NEET BIOLOGY

PLANT PHYSIOLOGY

MINERAL NUTRITION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Macronutrient which is component of all organic compounds but is not obtained from soil is
A
Nitrogen
B
Phosphorus
C
Magnesium
D
Carbon
Explanation: 

Detailed explanation-1: -Carbon is a macro nutrient, which is an essential component of all organic compounds. Plants obtain carbon in the form of carbon dioxide from atmosphere, not from the soil.

Detailed explanation-2: -Which of the following mineral nutrient is not obtained by plants from the soil? Solution : Carbon is not obtained by plants from the soil, it is obtained from ‘CO 2‘ (from atmosphere).

Detailed explanation-3: -Thus, the correct answer is ‘Carbon.

Detailed explanation-4: -At least 17 elements are known to be essential nutrients for plants. In relatively large amounts, the soil supplies nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur; these are often called the macronutrients.

Detailed explanation-5: -A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism.

There is 1 question to complete.