Cell Communication and Cell Signaling Practice Test | CSIR UGC NET JRF Life Sciences Exam

1.Electric synapsis and siganlaing are communicated by
Neurotansmitters
Hormones
Gap junctions
Membrane proteins

2.Which of the following is NOT a second messanger?
Cyclic GMP
Diacylglycerol
Inositol triphosphate
Phosphatidyl inositol

3.C-AMP is directly involved in regulation of
Adenylate cyclase
Protein kinase A
ATP
Phosho frucotokinase

4.Which of the protein/enzyme leads to apoptosis
Cyclin B
Catalase
Bcl2
Caspase

5.Receptors for sigaling for steroid hormones are located at
intracellular
no receptor
plasma membrane
Organelle membrane

6.The essential mineral required for cell adhesion molecule, cadherin is
calcium
magnesium
iron
sodium

7.Which one of the following is a type of intercellular junction in animal cells?
Middle lamella
Glycocalyx
Plasmodesmata
Desmosomes

8.Which of the following is most likely to be activated in non -canonical Wnt pathway?
RhoA and PLC
GSK-3 and RhoA
Disheveled and GSK-3
Disheveled and APC

9.Cancer cells secretes channels such as VEGF for angiogenesis, whose target cells are
RBC
Platelets
Endothelial cells
B-cells

10.Which of the following which organelle is involved in apoptosis?
Lysosome
ER
Golgi
Mitochondria

Score =
Correct answers:

C