Question

Which of the following element is present in plant tissues in excess of 10
mmole kg-
of dry water ?
a) Magnesium
b)Manganese
c) Molybdenum
d) Both 1 and 2​

Answer 1

Answer:

d).Borh 1 and 2

Explanation:

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Answer 2

Answer:

Magnesium is the element which is present in plant tissues in excess of 10 mmoleKg⁻¹.

Explanation:

Each and every plant needs nutrients for its optimal growth. These nutrients can be in the form of minerals, carbohydrates (like glucose), and gases like oxygen, carbon dioxide, and, water.

The nutrients are based on their need in terms of quantity required, and can be broadly classified into two main types:

• Micronutrients
• Macronutrients

What are micronutrients?

• These are the nutrients that are required in small amounts in the plant.
• Their concentration does not exceed greater than 10 mmoleKg⁻¹.

These are Iron (Fe), Manganese (Mn), Copper (Cu), Molybdenum (Mo), Boron (B), Zinc (Zn), Chlorine (Cl), and, Nickel (Ni).

What are macronutrients?

• These are the nutrients that are required in considerably large amounts in the plant.
• The concentration required is more than 10 mmoleKg⁻¹.

These are Carbon (C), Nitrogen (N), Oxygen (O), Hydrogen (H), Phosphorus (P), Potassium (K), Sulphur (S), Calcium (Ca), and, Magnesium (Mg).

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