MCQ Chapter 10 Biology Class 11 महाराष्ट्र Board Animal Tissue 1. Why are neurons incapable of regeneration?Lack of centriolePresence of myelin sheathAbsence of nucleusLack of mitochondriaQuestion 1 of 202. What is the cytoplasm of a neuron called?SarcoplasmNeuroplasmAxoplasmChondrinQuestion 2 of 203. What are the fine branches of a dendron called?AxonsTelodendronsDendritesNodes of RanvierQuestion 3 of 204. What is the fatty sheath enclosing an axon called?NeurilemmaMyelin sheathSarcolemmaPeriosteumQuestion 4 of 205. What is the terminal arborization of an axon called?DendriteTelodendronNode of RanvierAxon hillockQuestion 5 of 206. Which neuron carries impulses from sense organs to the central nervous system?Efferent neuronInterneuronAfferent neuronMotor neuronQuestion 6 of 207. Where are efferent neurons found?Dorsal root of spinal cordVentral root of spinal cordOlfactory epitheliumRetina of eyeQuestion 7 of 208. What type of neuron is located between sensory and motor neurons?Afferent neuronEfferent neuronInterneuronUnipolar neuronQuestion 8 of 209. What makes myelinated nerve fibers appear white?Presence of actinMyelin sheathNeuroplasmElastic fibersQuestion 9 of 2010. What is the mode of impulse conduction in myelinated nerve fibers called?Continuous conductionSaltatory conductionSlow conductionDiffused conductionQuestion 10 of 2011. Which nerves are typically non-myelinated?Cranial nervesSpinal nervesNerves of the autonomous nervous systemDorsal root nervesQuestion 11 of 2012. What is the functional contact between axonal ends and dendrites called?Node of RanvierSynapseIntercalated discCell junctionQuestion 12 of 2013. Which neuron type has a single process originating from the cyton?Bipolar neuronMultipolar neuronUnipolar neuronAfferent neuronQuestion 13 of 2014. Where are bipolar neurons typically found?Dorsal root ganglionRetina of the eyeSpinal cordHeart wallQuestion 14 of 2015. What is the shape of the cyton in a multipolar neuron?Spindle-shapedStar-shapedFlat and thinCuboidalQuestion 15 of 2016. What is the covering of a spinal nerve called?SarcolemmaNeurilemmaEpineuriumPerichondriumQuestion 16 of 2017. Which protein is found in the matrix of cartilage?OsseinChondrinMyosinHaemoglobinQuestion 17 of 2018. Which gland is both exocrine and endocrine?Salivary glandThyroid glandPancreasAdrenal glandQuestion 18 of 2019. Which muscle type is responsible for the pupil shrinking in bright light?Skeletal muscleSmooth muscleCardiac muscleStriated muscleQuestion 19 of 2020. Why do animals in cold regions have a layer of fat below their skin?For mechanical strengthFor insulationFor impulse conductionFor secretionQuestion 20 of 20 Loading...
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