Question : In which year did Walther Flemming coined the term 'chromatin' for the stained substance found in the cell nucleus?
Option 1: 1900
Option 2: 1840
Option 3: 1849
Option 4: 1879
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Correct Answer: 1879
Solution : The correct answer is 1879.
Walther Flemming initially came up with the name "chromatin" in 1879 to describe the component within the nucleus that absorbs specific nuclear stains when treated. Flemming developed a novel approach for staining salamander embryo cells using aniline dyes generated from coal tar.
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Question : Select the correct statement.
Option 1: Mitochondria and nucleus are found in bacteria
Option 2: Ribosomes, mitochondria and lysosomes are found in animal cells
Option 3: Chloroplast, ribosomes and nucleus are present in fungal cells
Option 4: Mitochondria and nucleus are absent in plant cell
Question : The term 'gene' was coined by
Option 1: T. H. Morgan
Option 2: W. L. Johanssen
Option 3: G. Mendel
Option 4: De Vries
Question : Who coined the word 'Geography'?
Option 1: Ptolemy
Option 2: Eratosthenese
Option 3: Hacatus
Option 4: Herodatus
Question : What is the outermost layer found in the cell envelope of the bacterial cell called?
Option 1: Glycocalyx
Option 2: Cell membrane
Option 3: Plasma membrane
Option 4: Cytoplasm
Question : Outside the nucleus DNA is found in
Option 1: Golgi bodies
Option 2: Mitochondria
Option 3: RIbosome
Option 4: Endoplasmic reticulum
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