Which of the following is responsible for the passage of molecules to and from the cell?
Plasma membrane
Nucleus
Mitochondria
Lysosome
How many lenses are there in a compound microscope?
2
3
4
1
Who proposed the cell theory?
Schleiden and Schwann
Watson and Crick
Darwin and Wallace
Mendel and Morgan
Which of the following is known as the 'powerhouse' of the cell?
Ribosome
Endoplasmic reticulum
Which of the following is called 'energy currency' of the cell?
Mitochondrion
ATP
Which is the structural and functional unit of all living organisms?
Tissue
Cell
Organ
Molecule
Which is the longest cell in the human body?
Nerve cell
Muscle cell
Blood cell
Sperm
The term 'cell' was coined by:
R G Harrison
Feulgen
Weismann
Robert Hooke
Who discovered Nucleus?
Robert Brown
Theodor Schwann
Rudolf Virchow
None of these
Which of the following is absent in a prokaryotic cell?
Cell wall
Cell membrane
Cytoplasm
Nuclear membrane