Consider the following statements:
I. A motor neuron along with the muscle fibers connected to it constitute a motor unit
II. The neurotransmitter released at the neuro-muscular junction is Acetylcholine.
III. Myosin head has ATPase activity
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II, and III
Human neural system has
(1) CNS
(2) PNS
(3) Both A and B
(4) MNS
The gaps between two adjacent myelin sheath are called
(1) Nodes of Ranvier
(2) Axon terminal
(3) Synaptic knob
(4) Schwan cell
Neuron cannot perform which of the following functions?
(1) Detection of stimuli
(2) Receiving stimuli
(3) Transmitting different kinds of stimuli
(4) Giving nutrition to neuroglial cells
Myelinated nerve fibres are found in
(1) Cranial nerves
(2) Spinal nerves
(3) Both A and B
(4) Not in CNS
Axon cannot have
(1) Synaptic knob with synaptic vesicles
(2) Distal end is branched
(3) Synaptic vesicles have chemicals called neurotransmitters
(4) Nissl's Granules
Which of the following is not associated with ANS?
(1) Sympathetic neural system
(2) Parasympathetic neural system
(3) Somatic Neural system
(4) Both B and C
Which of the following does not has brain?
(1) Hydra
(2) Insects
(3) Vertebrates
(4) Earthworm
CNS is not
(1) Brain
(2) Spinal cord
(3) Site of information processing and control
(4) Tissues/organs
Multipolar neurons are
(1) One axon and two or more dendrites
(2) One dendrites and two or more axon
(3) Multiple dendrites and no axon
(4) No dendrites and multiple axon