$DNA$ is primarily found in:

Match List-$I$ with List-$II$:

List-$I$	List-$II$
$(a)$ Metacentric chromosome	$(I)$ Centromere situated close to the end forming one extremely short and one very long arm
$(b)$ Acrocentric chromosome	$(II)$ Centromere at the terminal end
$(c)$ Sub-metacentric	$(III)$ Centromere in the middle forming two equal arms of chromosomes
$(d)$ Telocentric chromosome	$(IV)$ Centromere slightly away from the middle forming one shorter arm and one longer arm

Choose the correct answer from the options given below:

Who discovered the nucleus?

Give a scientific reason: Explain why the nucleus is the central point of all activities of the cell.

The "master mind" of the cell is

Thread-like structures composed of nuclear $DNA$ in eukaryotic cells that carry genetic information are known as chromosomes. Who coined the term 'chromosome'?