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Subjects

Science

Control and Coordination

नियंत्रण एवं समन्वय

In Class 10 Science, this topic from the chapter “World of Living” explains how organisms detect changes, process information, and respond in an organised way. Students learn about stimuli, neurons, reflex actions, the brain and spinal cord, and the role of the nervous system in coordinating body functions. The topic also introduces plant movements and chemical coordination through plant hormones, along with hormonal control in animals. It helps learners connect structure, communication, and response in living organisms.

Practice questions

In which situation should the role of thyroxine be considered first?Why are both excess and deficiency of growth hormone important?Why are adolescent changes not considered immediate like reflex actions?Which result is more logical due to low testosterone in boys?Estrogen in girls is related to which deeper understanding?What is the most correct comparative conclusion about nervous and hormonal control?In which situation is it necessary to understand the complete pathway of control and coordination?If smell detection is difficult but light and sound detection are normal, what is the best conclusion?Why is receptor specificity important in control and coordination?Which option has an incorrect match between stimulus and tropism?After removing the tip of a plant bending towards light, bending decreased. What conclusion follows?Which statement explains both a limitation and a feature of coordination in plants?Which example shows a hormonal effect that is more long-lasting than a nervous effect?In which situation is knowing only hormone secretion not enough?Which option best shows the scientific process of control and coordination?What is the main purpose of studying reflex arc, tropism in plants, and hormonal control in the same chapter?If the spinal cord is normal but the response message does not reach the muscle that pulls the hand away, which part may be affected?Which option correctly relates a nerve impulse to the process at a synapse?If chemical signals stop forming at a synapse, which result is most logical?A patient can see an object but has difficulty understanding its meaning and making decisions. Which brain part is more closely related?