1
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Amino acid ' $X$ ' contains phenolic hydroxy group and amino acid ' $Y$ ' contains amide group. ' $X$ ' and ' $Y$ ' respectively are

A

Ser, Arg

B

Cys, Lys

C

Thr, Asn

D

Tyr, Gln

2
TG EAPCET 2025 (Online) 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The general structure of alpha amino acid can be represented as

TG EAPCET 2025 (Online) 4th May Morning Shift Chemistry - Biomolecules Question 17 English

Which amino acid is not correctly matched with $R$ given?

A

$R=-\mathrm{CH}_2-\mathrm{C}_6 \mathrm{H}_4-\mathrm{OH}(\mathrm{p})-$ (Tyrosine)

B

$R=-\mathrm{CH}_2-\mathrm{SH}-($ Cysteine)

C

$R=-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{S}-\mathrm{CH}_3$-(Serine)

D

TG EAPCET 2025 (Online) 4th May Morning Shift Chemistry - Biomolecules Question 17 English Option 4

3
TG EAPCET 2025 (Online) 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Maltose on hydrolysis gives two monosaccharide units. The incorrect statement about the monosaccharides formed is

A

both are $\alpha$-D glucose units only.

B

one is $\alpha-D$ glucose and second one is $\beta$-D fructose.

C

both are reducing sugars.

D

in maltose, they are joined through 1,4-glycosidic linkage.

4
TG EAPCET 2025 (Online) 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The source of an enzyme is malt and that enzyme converts $X$ into $Y . X$ and $Y$ respectively are

A

starch, maltose

B

maltose, glucose

C

proteins, peptides

D

glucose, fructose

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