QUIZ ON CELL SIGNALLING
Que 1.______ in 1855 discovered process of cell signalling.
a. Robert Hooke b. Theodor Schwann
c. Claude Bernard d. Hugo von Mohl
Que 2. Cells possess special molecules called ______ which bind to signalling molecules and initiate physiological response.
a. Flagella b. Cillia
c. Spikes d. Receptors
Que 3. Where receptor molecule binds with the signal molecule, called_____
a. Reception stage b. Transduction stage
c. Response stage d. None of the above
Que 4. In which series of chemical signals results in activation of enzyme molecules, called______
a. Reception stage b. Transduction stage
c. Response stage d. None of the above
Que 5. Resulting cellular responses this stage is known as______
a. Reception stage b. Transduction stage
c. Response stage d. None of the above
Que 6. Type of signalling, in which signals are transmitted within relatively shorter distances.
a. Paracrine signalling b. Synaptic signalling
c. Autocrine signalling d. Endocrine signalling
Que 7. The signal transduction takes place between Junctions of two nerve cells
a. Paracrine signalling b. Synaptic signalling
c. Autocrine signalling d. Endocrine signalling
Que 8. The cell targets itself, that is cell signals itself.
a. Paracrine signalling b. Synaptic signalling
c. Autocrine signalling d. Endocrine signalling
Que 9. Example of Intracellular receptors
a. Nuclear receptors b. IP3 receptors
c. Both A and B d. None of the above
Que 10. Targets cells that are in the vicinity of original cells that transmits the signals.
a. Intracrine b. Juxtacrine
c. Paracrine d. Endocrine
ANSWERS:
1.(C), 2.(D), 3.(A), 4.(B), 5.(C), 6.(A), 7.(B), 8.(C), 9.(C), 10.(C)
For detail study click on the link– 
Cell Signalling
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