Uttarakhand Board Class 10 Control and Coordination — practice questions
25 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Uttarakhand Board 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 by