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Micronutrients are...

Micronutrients are

A

Are as important as macronutrients

B

Are less important than macronutrients

C

Are called 'micro' as they play only a mirror role in plant nutrition

D

May be omitted from culture media without any detrimental effect on the plant

Text Solution

Verified by Experts

The correct Answer is:
A
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Which micronutrient is required in larger amount in comparison to any other micronutrients?

Which of the following is a group of micronutrients for plants?

Which micronutrient is responsible for causing die-back disease in plants?

(a) Moderate decrease of increase on micronutrients causes deficiency and toxicaity symptoms respectively. (b) Excess of manganese causes toxicity of iron calcium and molybdenum. (c ) A macronutrients said to be toxic when present below a critical concentration.

Why were micronutrients later than macro- nutrients? With one example each, mention the physiological role and deficiency disease caused by (i) nitrogen, (ii) phosphorus, (ii) copper, and (iv) iron.

A : Maganese toxicity cause brown spots ,chlorotic veins and inhibintion of calcium translocation to shoot apex. R : Toxic effects may be due to direct excess of micronutrients or its interference in the absorbtion and functioning of other nutrients.

A micronutrient is one which