The compound,which gives a positive ninhydrin | vedclass

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Question

(D) The ninhydrin test is a chemical test used to detect amino acids or proteins. When a protein or amino acid reacts with ninhydrin,it produces a cha

Vedclass · Accepted Answer

$A$ protein

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(D) The ninhydrin test is a chemical test used to detect amino acids or proteins. When a protein or amino acid reacts with ninhydrin,it produces a characteristic blue or purple color,indicating a positive result.Benedict's solution is used to detect reducing sugars. Monosaccharides and many disaccharides (like maltose and lactose) act as reducing sugars and give a positive result (red/orange precipitate).Since proteins are not reducing sugars,they give a negative result with Benedict's solution.Therefore,a protein is the compound that gives a positive ninhydrin test and a negative Benedict's solution test.

List-$I$	List-$II$
$A$. Collagen	$I$. Enzyme
$B$. $\text{GLUT}-4$	$II$. Most abundant enzyme in biosphere
$C$. Trypsin	$III$. Most abundant protein in animal world
$D$. RuBisCO	$IV$. Enables glucose transport into cells

List-$I$	List-$II$
$A$. $GLUT$-$4$	$I$. Hormone
$B$. Insulin	$II$. Enzyme
$C$. Trypsin	$III$. Intercellular ground substance
$D$. Collagen	$IV$. Enables glucose transport into cells

The compound,which gives a positive ninhydrin test and a negative Benedict's solution test,is

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Match List-$I$ with List-$II$.
List-$I$ List-$II$
$A$. $GLUT$-$4$ $I$. Hormone
$B$. Insulin $II$. Enzyme
$C$. Trypsin $III$. Intercellular ground substance
$D$. Collagen $IV$. Enables glucose transport into cells

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