MCQ
The metals present in insulin and haemoglobin are respectively
  • A
    $Zn, Hg$
  • $Zn, Fe$
  • C
    $Co, Fe$
  • D
    $Mg, Fe$

Answer

Correct option: B.
$Zn, Fe$
b
Insulin contains zinc and haemoglobin contains $Fe.(Iron)$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Consider the following relations for $emf$ of an electrochemical cell

$(i)\, EMF$ of cell = (Oxidation potential of anode) $-$ (Reduction potential of cathode)

$(ii)\,EMF$ of cell = (Oxidation potential of anode) $+$ (Reduction potential of cathode)

$(iii)\,EMF$ of cell = (Reductional potential of anode) $+$ (Reduction potential of cathode)

$(iv)\,EMF$ of cell = (Oxidation potential of anode) $-$ (Oxidation potential of cathode)

Which of the above relations are correct?

The incorrect order indicated against the rate of reaction is Rate Order

$A+B\xrightarrow{K}C$

Rate                        Order

$\begin{array}{*{20}{c}}
  {\,\,\,C{H_3}\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - O - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,C{H_3}\,\,\,\,\,\,} 
\end{array}$ $\xrightarrow{{Conc.HI}}$ 

Type of reaction in above reaction is

Glucose is a
Which of the following does not gives iodoform reaction
The number of unpaired electrons in $C{r^ + }$ will be
Which of the following pair will have effective magnetic moment equal
Which of the following is not correct for ideal solution
Reaction : $C{H_3}OH + {O_2}\mathop {\xrightarrow{{{{600}\,^o}C}}}\limits_{Ag} $ product

The product is

An unsaturated hydrocarbon $X$ absorbs two hydrogen molecules on catalytic hydrogenation, and also gives following reaction :

$\mathrm{X} \xrightarrow[Zn/H_2O]{O_3}\mathrm{A} \xrightarrow{[Ag(NH_3)_2]^+}$$\mathrm{B}(3-\text {oxo}-\text {hexane dicarboxylic acid})$

$X$ will be