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CBSE

Chemistry

NEET Chemistry : Biomolecules

91.

Assertion : Maltose is a reducing sugar which gives two moles of D-glucose on hydrolysis.

Reason : Maltose has a 1,4-β-glycosidic linkage.

If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.

92.

Which one of these elements is found in vitamin B₁₂ ?

93.

The specific rotation of equilibrium mixture of $α$ - D-glucose and $β$ - D-glucose, is :

94.

Subunits present in haemoglobin are

95.

The structural formula of an amino acid, isoleucine is :

CH₃- $\overset{\underset{|}{{NH}_{2}}}{CH}$ -COOH
(CH₃)₂-CH- $\overset{\underset{|}{{NH}_{2}}}{CH}$ -COOH
$\overset{{CH}_{3}}{\underset{C_{2} H_{5}}{\underset{|}{\overset{|}{CH}}}}$ - $\overset{\underset{|}{{NH}_{2}}}{CH}$ -COOH
(C₂H₅)₂-CH- $\overset{\underset{|}{{NH}_{2}}}{CH}$ -COOH