WorksheetsThe Fundamental Unit of Life
Total questions: 10
Worksheet time: 5mins
What is the fundamental unit of life?
Atom
Cell
Molecule
Tissue
Who discovered the cell and when?
Robert Brown in 1831
Robert Hooke in 1665
Anton van Leeuwenhoek in 1674
Theodor Schwann in 1839
What does the cell theory state?
Cells arise from pre-existing cells
Cells are the basic structural unit of all living organisms
All organisms are composed of one or more cells
All of the above
Which part of the cell is known as the 'powerhouse'?
Nucleus
Mitochondria
Endoplasmic reticulum
Ribosomes
What is the function of the plasma membrane?
Provides shape to the cell
Controls the movement of substances in and out of the cell
Helps in the formation of energy
Synthesizes proteins
Which of the following is present only in plant cells?
Mitochondria
Ribosome
Chloroplast
Golgi apparatus
Which organelle is responsible for protein synthesis?
Ribosomes
Lysosomes
Vacuoles
Centrioles
What is the jelly-like substance present inside the cell called?
Nucleoplasm
Cytoplasm
Chloroplast
Stroma
Which organelle contains the genetic material of the cell?
Nucleus
Mitochondria
Ribosome
Endoplasmic reticulum
What is osmosis?
The movement of water across a semi-permeable membrane
The movement of molecules from a high concentration to a low concentration
The splitting of water molecules
The transport of proteins across the cell membrane
