CBSE Class 10 Control and Coordination — practice questions
40 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 10 Control and Coordination in the app →Electrical impulse travels in a neuron fromIn a synapse, chemical signal is transmitted fromIn a neuron, conversion of electrical signal to a chemical signal occurs at/inPosture and balance of the body is controlled bySpinal cord originates fromThe movement of shoot towards light isThe main function of abscisic acid in plants is toWhich of the following is not associated with growth of plant?Iodine is necessary for the synthesis of which hormone?Choose the incorrect statement about insulinThe shape of guard cells changes due to change in theThe growth of pollen tubes towards ovules is due toThe movement of sunflower in accordance with the path of sun is due toThe substance that triggers the fall of mature leaves and fruits from plants is due toInvoluntary actions in the body are controlled byWhich of the following is not an involuntary action?When a person is suffering from severe cold, he or she cannotWhich statement is not true about thyroxin?Dwarfism results due toDramatic changes of body features associated with puberty are mainly because of secretion ofA doctor advised a person to take an injection of insulin becauseThe hormone which increases the fertility in males is calledWhich of the following endocrine glands is unpaired?Junction between two neurons is calledIn humans, the life processes are controlled and regulated byThe structural and functional unit of the nervous system is the:A reflex action is best described as:The portion of the brain that controls balance and coordination of body movements is the:The hormone produced by the pancreas that lowers blood glucose level is:Thyroxine, which regulates the metabolic rate of the body, is produced by the:The 'master gland' that controls many other endocrine glands is the:Adrenaline (epinephrine), the fight-or-flight hormone, is produced by the:Phototropism is the:Auxin is a plant hormone that mainly promotes:The gap between two neurons across which a nerve impulse is transmitted (chemically) is the:Geotropism shown by the roots of a plant is:The number of pairs of cranial nerves in humans is:The hormone that controls the level of sugar in blood by promoting glucose uptake by cells is:Plants RESPOND to stimuli mainly through:The IODINE-containing hormone is: