Time Left:
600
sec
1. Which one of the following pairs of structures distinguishes a nerve cell from other types of cells?
A. Nucleus and mitochondria
B. Vacuoles and fibres
C. Flagellum and medullary sheath
D. Perikaryon and dendrites
2. Chemicals which are released at the synaptic junction are called
A. Lymph
B. Hormones
C. Neurotransmitters
D. Cerebrospinal fluid
3. The junction between the axon of one neuron and the dendrite of the next is called
A. A joint
B. Constant bridge
C. Junction point
D. Synapse
4. The electrical potential difference between outside and inside of a nerve axon before excitation is known as
A. Spike potential
B. Resting potential
C. Activation potential
D. Reaction potential
5. Cells of Schwann are associated with
A. Skeleton muscle
B. Connective tissue
C. Cardiac muscle
D. Nervous tissue
6. Nerve cells do not divide because they do not have
A. Mitochondria
B. Golgi body
C. Centrosome
D. Nucleus
7. Which of the cells are phagocytic as well as scavengers?
A. Microglia
B. Astrocytes
C. Oligodendrocytes
D. Neurons
8. Nissl’s granules are present in
A. RBC
B. WBC
C. Both 1 and 2 above
D. Nerve cells
9. Resting membrane potential is maintained by
A. Hormones
B. Neurotransmitters
C. Ion pumps
D. None of the above
10. Which one of the following does not act as a neurotransmitter?
A. Cortisone
B. Norepinephrine
C. Acetylcholine
D. Epinephrine
Submit Test