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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHuman neural system has
(1) CNS
(2) PNS
(3) Both A and B
(4) MNS
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe gaps between two adjacent myelin sheath are called
(1) Nodes of Ranvier
(2) Axon terminal
(3) Synaptic knob
(4) Schwan cell
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNeuron 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMyelinated nerve fibres are found in
(1) Cranial nerves
(2) Spinal nerves
(3) Both A and B
(4) Not in CNS
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAxon cannot have
(1) Synaptic knob with synaptic vesicles
(2) Distal end is branched
(3) Synaptic vesicles have chemicals called neurotransmitters
(4) Nissl's Granules
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following does not has brain?
(1) Hydra
(2) Insects
(3) Vertebrates
(4) Earthworm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCNS is not
(1) Brain
(2) Spinal cord
(3) Site of information processing and control
(4) Tissues/organs
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMultipolar 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology