Mineral Nutrition In Plants Question 139
Question: Which one is not related with plant ash [MP PMT 1997]
Options:
A) Trace elements
B) Essential elements
C) 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 in proteins and nucleic acids. It exists in various forms, including diatomic molecules (N₂), and is used in fertilizers, explosives, and medical applications.
D) Mineral elements
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Answer:
Correct Answer: C
Solution:
In plant ash, nitrogen is not present because it releases out as its oxide when heated up to 600° C to obtain plant ash, however it is an essential element.
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