Question

Match List-I with List-II:

List-I	List-II
A. Histones	III. Positively charged basic proteins
B. Nucleosome	IV. DNA wrapped around histone octamer
C. Euchromatin	I. Loosely packed chromatin
D. Heterochromatin	II. Densely packed Chromatin

Choose the correct answer from the options given below:

• A. A-IV, B-III, C-II, D-I
• B. A-III, B-I, C-IV, D-II
• C. A-II, B-III, C-IV, D-I
• D. A-III, B-IV, C-I, D-II

Answer 1

The Correct Option is D

The correct pairings are:
A. Histones - III. Positively charged basic proteins: Histones are positively charged proteins essential for DNA packaging in eukaryotes.
B. Nucleosome - IV. DNA wrapped around histone octamer: A nucleosome, the fundamental unit of chromatin, comprises DNA encircling a histone octamer.
C. Euchromatin - I. Loosely packed chromatin: Euchromatin is the less condensed, transcriptionally active form of chromatin.
D. Heterochromatin - II. Densely packed chromatin: Heterochromatin is the highly condensed, transcriptionally inactive form of chromatin.
Consequently, the correct selection is (4): A-III, B-IV, C-I, D-II.