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Standard XII

Biology

Micronutrients

Which of the ...

Question

Which of the following is correct set of micronutrient for plants?

Mg, Si, Fe, Cu, Ca

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Cu, Fe, Zn, B, Mn

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Mg, Fe, Zn, B, Mn

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Mo, Zn, CI, Mg, Ca

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Solution

The correct option is D Cu, Fe, Zn, B, Mn
Chemical elements present only in minute amounts are micro-nutrients that are essential for the proper growth, development, and physiology of plants. Chromium, cobalt, copper (Cu), iron (Fe), manganese (Mn), magnesium, molybdenum, selenium, zinc (Zn), Boron (B) all are the example of trace elements or micronutrients.
Hence, option B is correct.

Suggest Corrections

Similar questions

E^{o}

for

M g^{2 +} / M g = - 2.37 V, Z n^{2 +} / Z n = - 0.76 V

and

F e^{2 +} / F e = - 0.44 V

Which of the following statement is correct?

E^{⊖} o f M g^{2 +} | M g, Z n^{2 +} | Z n,

and

F e^{2 +} | F e

are

- 2.37 V

- 0.76 V

, and -

0.44 V

, respectively. Which of the following is correct ?

Which metal is considered best for protecting the other metal?

$E {^{0}}_{F e^{2 +} / F e} = - 0.44 V, E {^{0}}_{Z n^{2 +} / Z n} = - 0.76 V$
$E {^{0}}_{M g^{2 +} / M g} = - 2.37 V, E {^{0}}_{C u^{2 +} / C u} = - 0.34 V$

Q. Which of the following is the correct conclusion. Also, give the reason?

Observation	I	II	III
Solution after reaction	Colourless	Colourless	Colourless
Metal Deposited	Zn	Cu	Fe

(a) Al is more reactive than Cu and Fe but less reactive than Zn
(b) Al is more reactive than Cu but less reactive than Zn and Fe
(c) Al is more reactive than Zn and Cu but less reactive than Fe
(d) Al is more reactive than Zn, Cu, Fe.

Q. SRP values of

M g^{2 +} | M g

F e^{2 +} | F e

and

Z n^{2 +} | Z n

are

- 2.37 V, - 0.44 V

and

- 0.76 V

respectively. The correct statement is:

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