Mineral Nutrition In Plants Question 110
Which of the following is considered to be the elements between macronutrients and micronutrients
Options:
A) Iron
B) Nitrogen is a chemical element with the symbol N and atomic number 7. It is a colorless, odorless, and tasteless gas that makes up about 78% of Earth’s atmosphere. Nitrogen is essential for life and is a key component of proteins and nucleic acids. It exists as a diatomic molecule (N₂) and is relatively inert under standard conditions.
C) Phosphorus is a chemical element with the symbol P and atomic number 15. It is a member of the nitrogen group and is essential for life, playing a key role in biological processes such as DNA and ATP synthesis. Phosphorus is found in various forms, including inorganic phosphate and organic compounds, and is a critical component of bones and teeth. It is also used in fertilizers, detergents, and food processing.
D) Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, silvery-gray metal that is closely related to iron and is found in many minerals. Manganese is used in alloys, fertilizers, and as a pigment. It is also essential for various biological processes in plants and animals.
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Answer:
Correct Answer: A
Solution:
Iron occurs in the concentration of less than 1 mg/gm.
However, its essentiality was discovered along with other macroelements long before microelements were found to be required.
Therefore, it is often regarded to be a macroelement.
BETA
