MCQ Science and Technology Class 9 Chapter 15 Maharashtra Board Life Processes in Living Organisms 1. What are the structural and functional units of the nervous system?NephronsNeuronsGlomeruliSynapsesQuestion 1 of 202. What supports nerve cells in their functioning?NeurogliaDendritesAxonsSynapsesQuestion 2 of 203. What part of a neuron collects information from the surroundings?AxonCell bodyDendritesSynapseQuestion 3 of 204. What is the minute space between two adjacent neurons called?Axon terminalSynapseNode of RanvierMyelin sheathQuestion 4 of 205. What type of neuron conducts impulses from sensory organs to the brain?Motor neuronSensory neuronAssociation neuronInterneuronQuestion 5 of 206. What type of neuron conducts impulses to muscles or glands?Sensory neuronAssociation neuronMotor neuronRelay neuronQuestion 6 of 207. Which part of the nervous system includes the brain and spinal cord?Peripheral nervous systemAutonomic nervous systemCentral nervous systemSomatic nervous systemQuestion 7 of 208. What protects the central nervous system from shock?MeningesCerebro-spinal fluidVentriclesCentral canalQuestion 8 of 209. What is the largest part of the human brain?CerebellumMedulla oblongataCerebrumPonsQuestion 9 of 2010. What increases the surface area of the cerebrum?VentriclesConvolutionsPyramidsMeningesQuestion 10 of 2011. Which part of the brain controls artistic abilities?Left cerebrumRight cerebrumCerebellumMedulla oblongataQuestion 11 of 2012. Why can an injury to the medulla oblongata be fatal?It controls speechIt regulates vital functionsIt controls visionIt manages memoryQuestion 12 of 2013. What is the fibrous structure at the end of the spinal cord?Central canalFilum terminaleMeningesVertebral columnQuestion 13 of 2014. How many pairs of cranial nerves are there?10123124Question 14 of 2015. What is an immediate, involuntary response to a stimulus called?TropismReflex actionHomeostasisCoordinationQuestion 15 of 2016. What are hormones secreted by?NeuronsEndocrine glandsExcretory organsMusclesQuestion 16 of 2017. Why are endocrine glands called ductless?They store hormonesThey release hormones directly into bloodThey produce enzymesThey are inactiveQuestion 17 of 2018. Which gland releases insulin in response to high blood-glucose levels?ThyroidPituitaryPancreasAdrenalQuestion 18 of 2019. How does the nervous system differ from the endocrine system in control?Nervous impulses are slowHormones are fast-actingNervous impulses are fast but short-livedHormones are short-livedQuestion 19 of 2020. What hormone regulates metabolism in the human body?InsulinThyroxineAdrenalineTestosteroneQuestion 20 of 20 Loading...
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