Which of the following statements are incorre | vedclass

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(C) Statement $I$ is correct: Hemoglobin,myoglobin,and cytochromes contain iron $(Fe)$ as a central metal ion or cofactor.Statement $II$ is incorrect:

Vedclass · Accepted Answer

$II, III, V$

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(C) Statement $I$ is correct: Hemoglobin,myoglobin,and cytochromes contain iron $(Fe)$ as a central metal ion or cofactor.Statement $II$ is incorrect: Copper is primarily involved in redox reactions and electron transport,not specifically as a primary regulator of cell division.Statement $III$ is incorrect: Biotin contains sulfur,but riboflavin $(Vitamin B_2)$ does not contain sulfur.Statement $IV$ is correct: Calcium is essential for the formation and maintenance of bones and teeth.Statement $V$ is incorrect: Manganese is a cofactor for many enzymes like carboxylases and kinases,but it is not a structural component of phosphatase enzymes (which often require zinc or magnesium).Therefore,the incorrect statements are $II, III,$ and $V$.

Column-$I$	Column-$II$
$(A)$ Potassium	$(1)$ Constituent of ferredoxin
$(B)$ Sulphur	$(2)$ Involved in stomatal movement
$(C)$ Molybdenum	$(3)$ Needed in the synthesis of auxin
$(D)$ Zinc	$(4)$ Component of nitrogenase

$(1)$ For healthy growth of plants	$(a)$ Nitrogen
$(2)$ As a part of vitamins	$(b)$ Manganese
$(3)$ In enzymes associated with fat metabolism	$(c)$ Cobalt
$(4)$ For the activity of phosphatase enzyme	$(d)$ Magnesium

Similar Questions

$A$ farmer adds/supplies $Na, Ca, Mg$ and $Fe$ regularly to his field and yet he observes that the plants show deficiency of $Ca, Mg$ and $Fe$. Give a valid reason and suggest a way to help the farmer improve the growth of plants.

For the limited nitrogen that is present in the soil,microbes compete with

Analogy type questions:
$(1)$ Manganese toxicity : Brown spots surrounded by chlorotic veins : Molybdenum deficiency : ........
$(2)$ Conversion of nitrogen to ammonia : Nitrogen fixation : Oxidation of nitrite to nitrate : ........

Match the following and choose the correct combination from the given options.
Column-$I$ Column-$II$
$(A)$ Potassium $(1)$ Constituent of ferredoxin
$(B)$ Sulphur $(2)$ Involved in stomatal movement
$(C)$ Molybdenum $(3)$ Needed in the synthesis of auxin
$(D)$ Zinc $(4)$ Component of nitrogenase

Select the correct option for the following matches:
$(1)$ For healthy growth of plants $(a)$ Nitrogen
$(2)$ As a part of vitamins $(b)$ Manganese
$(3)$ In enzymes associated with fat metabolism $(c)$ Cobalt
$(4)$ For the activity of phosphatase enzyme $(d)$ Magnesium

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