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Class 10 · Science · Medium
→When the level of a hormone in the blood rises and its secretion decreases, which principle is illustrated?
Class 10 · Science · Medium
→If growth hormone is secreted in a very low amount during childhood, which problem becomes more likely?
Class 10 · Science · Hard
→What is the strongest reason for calling the pituitary gland the master gland?
Class 10 · Science · Hard
→What is the most accurate relationship between thyroxine deficiency and goitre?
Class 10 · Science · Medium
→If blood sugar is very high and insulin is low, the cause is most directly related to which gland?
Class 10 · Science · Medium
→In which situation is endocrine control more suitable than nervous control?
Class 10 · Science · Medium
→If adrenaline secretion increases, which change helps provide more energy to muscles?
Class 10 · Science · Medium
→In which event is the combined effect of nervous and hormonal control most clearly demonstrated?
Class 10 · Science · Hard
→Which statement most accurately shows a limitation of nervous control compared with hormonal control?
Class 10 · Science · Medium
→Contraction of the pupil in bright light demonstrates which deeper principle of coordination?
Class 10 · Science · Medium
→Which option correctly describes the functional relationship between the central and peripheral nervous systems?
Class 10 · Science · Medium
→In which situation can disturbance of the medulla be most dangerous?
Class 10 · Science · Medium
→A person staggers while walking but thinking and memory are normal. Which part is more likely affected?
Class 10 · Science · Hard
→A patient can see an object but has difficulty understanding its meaning and making decisions. Which brain part is more closely related?
Class 10 · Science · Hard
→If chemical signals stop forming at a synapse, which result is most logical?
Class 10 · Science · Hard
→Which option correctly relates a nerve impulse to the process at a synapse?
Class 10 · Science · Medium
→In a reflex action, the hand moves away first and pain is felt later. What is the most suitable reason?
Class 10 · Science · Medium
→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?
Class 10 · Science · Medium
→If skin receptors are active but the message is not reaching the spinal cord, which part of the reflex arc is most likely affected?
Class 10 · Science · Medium
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