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Excess of Manganese in plants induces th...

Excess of Manganese in plants induces the deficiency symptoms of iron, magnesium and calcium because it:

A

Option1 Compete with iron and calcium for uptake

B

Option2 compets with iron and magnesium for enzyme activation

C

Option3 Inhibits calcium translocation in shoot apex and competes with iron and magnesium for uptakes

D

Option4 Inhibits translocation of iron in shoot apex and competes with Ca and Mg for uptake.

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The correct Answer is:
C
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Assertion: The prominent symptom of manganese toxicity is the appearance of brown spots surrounded by chlorotic veins. Reason: Excess of maganese may induce deficiencies of iron, magnesium and calcium.

Name one function and one deficiency symptom of the following elements : calcium

Name one function and one deficiency symptom of the following elements : magnesium

Name one function and one deficiency symptom of the following elements : iron

(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.

Name one function and one deficiency symptom of the following elements : manganese

VMC MODULES ENGLISH-MINERAL NUTRITION-EFFICENT
  1. Excess of Manganese in plants induces the deficiency symptoms of iron,...

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  2. Which enzyme is activated by zinc ?

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  3. Deficiency symptom appears first in young leaves if the soil is defici...

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  4. Calcium: (a) Is required by meristematic and differentiating tissues...

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  5. Consider the following w.r.t criteria for essentiality of an elements....

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  6. Reductive amination does not require:

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  7. Mark the correct sequence of steps for the development of root...

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  8. Which of the following are requirements of transmination?

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  9. Chlorophyll is formed in presence of

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  10. mark the incorrect statement w.r.t symbiotic N(2) fixation

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  11. Nitrate reductase enzyme:

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  12. Exanthema, a diseas due to Cu -deficiency is characterized by:

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  13. Boron and potassium are required for:

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  14. Organo-mineral colloidal complex of soil includes

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  15. Nitrogen is usually absorbed and utilised by the plants in the form of

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  16. Find the correct matching: {:(1."Rosette disease",i. Mn),(2. "Diebac...

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  17. A gene cluster of nod and fix factors control the establishment and fu...

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  18. Plants absorb zinc as

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  19. Molybdenum is essentially involved in plant metabolism in:

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  20. Best defined function of manganese in green plants is

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