Q. System of the body which coordinates and controls its activity is known as___________ Organ system Muscular system Nervous tissue Nervous system Answer: Nervous system
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Q. Which of the following is NOT the component of the PNS? Elastic connective tissue Cranial nerves Spinal nerves Ganglia Answer: Elastic connective tissue
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Q. Name the basic structural and functional unit of the nervous system. Neuroglia Glial cells Neurons Perikaryon Answer: Neurons
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Q. What is the speed of nerve impulse? 60 m/s 0.5 – 130 m/s 10-30 m/s 50 -150 m/s Answer: 0.5 – 130 m/s
Q. What are Nissl bodies? Golgi bodies Lysosomes Cluster of rough endoplasmic reticulum Mitochondria Answer: Cluster of rough endoplasmic reticulum
Q. Which of the following is NOT found in axon? Endoplasmic reticulum Neurofibrils Mitochondria Microtubules Answer: Endoplasmic reticulum
Q. In our body involuntary actions are controlled by: Medulla in Hindbrain Medulla in Forebrain Medulla in Spinal Cord Medulla in Midbrain Answer: Medulla in Hindbrain
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Q. Name the multipolar neuron which is located entirely within the central nervous system. Motor neuron Efferent neuron Afferent neuron Interneuron Answer: Interneuron
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Q. Out of the following, which one does not affect the speed of conduction of nerve impulse. No. of ganglia Myelin sheath Axon diameter Temperature Answer: No. of ganglia
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Q. Nervous System consists of Brain Spinal Cord Nerves All the above Answer: All the above
