Biomolecules PYQs - Last 10 Years

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Practice 29 TS EAMCET Chemistry questions from Biomolecules. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Chemistry / Organic Chemistry

2020-2025

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Last 10 Years Biomolecules Questions

Showing 29 of 29 filtered questions.

The general structure of alpha amino acid can be represented as
Which amino acid is not correctly matched with $R$ given?

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

On prolonged heating with HI , glucose gives a compound ' $C$ ' which can be obtained by Wurtz reaction using sodium metal and compound ' $D$ ' . Identify ' $D$ '

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

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

Which of the following hormones is an example of polypeptide?

A carbohydrate $(A)$, when treated with dilute HCl in alcoholic solution gives two isomers $(B)$ and $(C)$. $B$ on reaction with bromine water gives a monocarboxylic acid ' $Z$ ' and ' $C$ ' is a ketohexose. What is $A$ ?

The functional groups involved in the conversion of glucose to gluconic acid and gluconic acid to saccharic acid respectively are

Cellulose is a polysaccharide and is made of

What is the IUPAC name of the product $Y$ in the given reaction sequence?

Which of the following vitamin is also called pyridoxine?

Two statements are given below :I. Milk sugar is disaccharide of $\alpha$-D-galactose and $\beta$-D-glucoseII. Sucrose is disaccharide of $\alpha$-D-glucose and $\beta$-D-fructose

The deficiency of which vitamin causes pernicious anaemia?

From the following, the correct statements about polysaccharides are
I. Starch is a polymer of $\alpha-\mathrm{D}(+)$-glucose.
II. Amylose component of starch is not soluble in water.
III. Amylose is a branched chain polymer of $\alpha-\mat...

\(\text { The Haworth projection shown below represents }\)

A vitamin $X$ is soluble in fat and its source is egg yolk. Deficiency of $X$ causes the disease

Which of the following is the incorrect statement about maltose?

The functional group present in asparagine, a non-essential amino acid, are

\(\text { Consider the following structures }\)

Which of the pairs represent $D$ and $L$-fructose, respectively?

Assertion (A) In aqueous solution, amino acids exist in dipolar ion form.
Reason (R) Most of the naturally occurring amino acids have $L$-configuration.
The correct option among the following is

Assertion (A) Both glucose and fructose have the same $D$-configuration.
Reason (R) Both glucose and fructose are dextrorotatory.
The correct option among the following is

Assertion (A) The denaturation of proteins can destroy all $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ protein structures.
Reason (R) Curdling of milk is due to denaturation of proteins.
The correct option among the following is

The amount of sucrose needed to produce 1 mole of glucose using acid hydrolysis is

Considering the facts that
I. sucrose forms glycosidic linkage between $\mathrm{C}_1$ of glucose and $\mathrm{C}_2$ fructose, while
II. lactose forms glycosidic linkage between $\mathrm{C}_1$ of galactose and $\mathrm{C}_4$ of glucose.
Choo...

Which of the following statements support the cyclic form for glucose?

(i) It doesn't give Schiff's test.
(ii) It is found to exist in two different crystalline forms.
(iii) It oxidises with nitric acid to give saccharic acid.
(iv) Pentaa...

Which of the following are reducing sugars?
I. Sucrose
III. Lactose
II. Ribose
IV. Fructose

Xerophthalmia disease is caused by the deficiency of

Amino acids containing heterocyclic ring are
(i) Histidine
(ii) Valine
(iii) Arginine
(iv) Proline

\(\text { Choose the correct Zwitter ionic form for aspartic acid. }\)