Biomolecules PYQs - Last 10 Years

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Practice 39 COMEDK 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

2020-2026

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33

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2022-2026

39

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2017-2026

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Last 10 Years Biomolecules Questions

Showing 39 of 39 filtered questions.

The secondary structure of protein consists of:

Which of the following is a correct match?

Which among the following is an INCORRECT statement?

\(\text { Match the characteristic from Col. I with the Vitamins given in Col. II. }\)
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Identify the correct statement.

A small segment of a polypeptide gave on complete hydrolysis 3 molecules of alanine, 2 molecules of glycine and 3 molecules of cysteine. What is the number of peptide linkages in the segment of the polypeptide?

Two statements, one Assertion (A) and the other Reason (R) are given. Choose the correct option.
Assertion: Maltose, a disaccharide, is a reducing sugar and is obtained by the partial hydrolysis of starch in presence of the enzyme diastase....

Match the reactions of Glucose given in Column I with the major product formed in the reaction as in Column II.

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Choose the incorrect statement.

Which of the following is a water soluble vitamin?

Identify the correct statement.

Two statements, one Assertion and the other Reason are given. Choose the right option.
Assertion : Insulin is called a protein whereas Glycyl alanine is not called a protein
Reason : A polypeptide with amino acid residue less than 100 can a...

Which one of the following is the correct statement?

Match A, B, C and D with the appropriate functions given.

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Identify the 2 chemical tests which is not answered by Glucose having an open chain structure
[A] Reaction with Schiff's reagent and with Sodium bisulphite
[B] Reaction with \(\mathrm{HCN}\) and with \(\mathrm{HI}\)
[C] Reaction with $$\mat...

Given below are 4 statements about Insulin. Which of these statement/(s) is/are correct?
[A] Insulin is a globular protein consisting of 51 Amino acids.
[B] Insulin is constituted of 3 polypeptide chains linked together.
[C] Insulin is cons...

Match the Hormones listed in Column I with their characteristics listed in Column II

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Match the Vitamins given in Column I with the diseases caused by their deficiency as given in Column II.

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Given are 4 statements related to the chemical properties of Glucose.
Identify the two incorrect statements from the following.
A. It reacts with \(\mathrm{Br}_2\) (aq) to form Saccharic acid.
B. Reacts with Acetic anhydride to form Glucose...

Two statements, Assertion and Reason are given. Choose the correct option from the following.
Assertion: In the secondary structure of RNA, double helix structure is formed.
Reason: In the double structure of RNA, two nucleic acid chains ar...

Among the following peptides, identify the pair where the name and its structure are correctly matched.

Which of the following statement is not true about glucose?

With reference to vitamins and its deficiency diseases, the correct statements are:
(i) Cheilosis is due to the deficiency of Riboflavin
(ii) The deficiency of Vitamin B6 causes pernicious anaemia
(iii) Osteomalacia is due to the deficiency...

Choose the incorrect statement regarding Cellulose.

One among the 4 Vitamins belonging to \(\mathrm{B}\) Complex, can be stored in our body. Identify the Vitamin.

Which one of the following is an important component of chlorophyll?

Pick out the incorrect statement(s) from the following.
1. Glucose exists in two different crystalline forms, \(\alpha\)-D-glucose and \(\beta\)-D-glucose.
2. \(\alpha\)-D-glucose and \(\beta\)-D-glucose are anomers.
3. \(\alpha\)-D-glucose...

Which of the following hexoses will form the same osazone when treated with excess phenyl hydrazine?

Which of the following vitamin is responsible for Beri-Beri disease?

On treatment of glucose with bromine water the product formed is

The essential amino acids are
(i) Leucine (ii) Glutamic acid (iii) Asparagine (iv) Valine
correct option is

The monosaccharides of maltose is

What is the function platelets?

Xerophthalmia disease causes by which deficiency of vitamin?

Among the following enzymes, which one is involved in the given below catalytic reaction?
\({C_6}{H_{12}}{O_6}(aq) \to 2{C_2}{H_5}OH(aq) + 2C{O_2}(g)\)

Which of the following amino acid (NH\(_2\)CHRCOOH) contains polar R group?

Which one of the following sets of monosaccharides forms sucrose?

Carbon monoxide is poisonous to human beings because

The amino acid which is not optically active is