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Biomolecules

JEE Main 2024 (Online) 4th April Evening ShiftMatchingEasy📈 Topic in 25% papers+4−1
Ques. 1JEE Main 2024, 4 April (Evening Shift)

Match List I with List II Choose the correct answer from the options given below:

  1. A-III, B-IV, C-II, D-I
  2. A-IV, B-III, C-I, D-II
  3. A-III, B-IV, C-I, D-II
  4. A-IV, B-III, C-II, D-I

Answer

(2) A-IV, B-III, C-I, D-II

Solution

A: glucose and galactose ( C6H12O6) differ only in configuration at C-4 ⇒ A-IV (epimers)

B: - and -glucose differ only at C-1 (anomeric carbon) ⇒ B-III (anomers)

C: glucose (aldohexose, –CHO) and fructose (ketohexose, >C=O), both C6H12O6 ⇒ C-I (functional isomers)

D: glucose C6H12O6 and ribose C5H10O5, both aldoses, differ by one CHOH unit ⇒ D-II (homologous)

∴ A-IV, B-III, C-I, D-II

Answer: (2)

Keep practising — Biomolecules

Ques. 2JEE Main 2024, 1 February (Morning Shift)

If one strand of a DNA has the sequence ATGCTTCA, sequence of the bases in complementary strand is :

  1. CATTAGCT
  2. TACGAAGT
  3. ATGCGACT
  4. GTACTTAC
Ques. 3JEE Main 2024, 1 February (Evening Shift)

The number of tripeptides formed by three different amino acids using each amino acid once is .

Ques. 4JEE Main 2024, 31 January (Morning Shift)

Match List I with List II

  1. A-II, B-IV, C-III, D-I
  2. A-III, B-II, C-I, D-IV
  3. A-IV, B-I, C-III, D-II
  4. A-I, B-IV, C-III, D-II
Ques. 5JEE Main 2024, 31 January (Evening Shift)

From the vitamins A, B1, B6, B12, C, D, E and K, the number of vitamins that can be stored in our body is .

Ques. 6JEE Main 2024, 30 January (Morning Shift)

Sugar which does not give reddish brown precipitate with Fehling's reagent, is :

  1. Glucose
  2. Sucrose
  3. Lactose
  4. Maltose
Ques. 7JEE Main 2024, 30 January (Evening Shift)

The total number of correct statements, regarding the nucleic acids is . A. RNA is regarded as the reserve of genetic information B. DNA molecule self-duplicates during cell division C. DNA synthesizes proteins in the cell D. The message for the synthesis of particular proteins is present in DNA E. Identical DNA strands are transferred to daughter cells.

Ques. 8JEE Main 2024, 29 January (Morning Shift)

Type of amino acids obtained by hydrolysis of proteins is :

Ques. 9JEE Main 2024, 29 January (Evening Shift)

Match List I with List II Choose the correct answer from the options given below:

  1. A-IV, B-II, C-I, D-III
  2. A-I, B-III, C-IV, D-II
  3. A-II, B-I, C-III, D-IV
  4. A-II, B-III, C-I, D-IV
Ques. 10JEE Main 2024, 27 January (Morning Shift)

Two nucleotides are joined together by a linkage known as :

  1. Phosphodiester linkage
  2. Glycosidic linkage
  3. Disulphide linkage
  4. Peptide linkage
Ques. 11JEE Main 2024, 27 January (Evening Shift)

Which structure of protein remains intact after coagulation of egg white on boiling?

  1. Quaternary
  2. Primary
  3. Secondary
  4. Tertiary

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