In which year did Walther Flemming coined the term ‘chromatin’ for the stained substance found in the cell nucleus?

Correct option is D

The correct answer is (d) 1879.
 Walther Flemming coined the term 'chromatin' in 1879. He used this term to describe the thread-like material in the cell nucleus that becomes visible after staining. Chromatin consists of DNA and proteins and plays a crucial role in cell division and the regulation of gene expression.
Information Booster:
 Walther Flemming: A German biologist known for his pioneering work in cytogenetics, including the discovery of chromatin and the detailed description of the process of mitosis.
 Chromatin: A complex of DNA and protein found in the nucleus of eukaryotic cells, which condenses to form chromosomes during cell division.