CELLS

• Study of the cell is called
Ans: Cytology

• Father of Cytology
Ans: Robert Hooke

• The cell nucleus was discovered
Ans: Robert Brown ( 1831)

• Plants cells are discovered by
Ans: M.J. Schleiden (1838)

• The animal cell was discovered by
Ans: Theodor Schwann (1839)

• The cell theory was formulated by
Ans: M.J. Schleiden & Theodor Schwann

• The regulatory center of the cell
Ans: Nucleus

• The powerhouse of the cell
Ans: Mitochondrion

• The Scientist who proposed that all cells from the division of previously existing cells
Ans: Rudolf Virchow (1858)

• The cell is enclosed by a thin outer boundary called
Ans: Cell Membrane

• The biological energy currency of the cell
Ans: ATP (Adenosine triphosphate)

• The workhorse of the cell
Ans: Protein

• The suicidal bags of the cell
Ans: Lysosomes

• Centre of protein synthesis in the cell
Ans: Ribosome

• The matrix filled inside the cell membrane
Ans: Cytoplasm

• All Substances inside the cell membrane constitute
Ans: Protoplasm

• There are organisms with only one cell are called
Ans: Unicellular Organisms

• Examples of Unicellular organisms
Ans: Amoeba, Paramecium, Euglena, Bacteria

• Protoplasm composed of
Ans: Cytoplasm, Nucleoplasm & other organelles

• Organisms with more than one cell in their body are called
Ans: Multicellular organisms

• Examples of multicellular organisms
Ans: Animals and plants

• The cell wall of plants is made of
Ans: Cellulose

• The cell organelle that is found only in animal cells
Ans: Centrosome

• The largest cell in the human body
Ans: Ovum

• The smallest cell in the human body
Ans: Sperm

• The longest cell in the human body
Ans: Neuron