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Class 10 Mcq

Class 10 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceIf a chemical increases cell division in a plant but does not directly increase stem length which hormone is it acting like?Class 10Control and CoordinationPlant hormonesLevel 17Hard ScienceIn an experiment a plant was kept horizontal. After some time the root bent downward and the stem bent upward. What combined idea does this prove?Class 10World of LivingControl and CoordinationLevel 17Hard ScienceWhich option correctly states the limitation of coordination in plants?Class 10World of LivingControl and CoordinationLevel 17Hard ScienceWhy do animals need both nervous and hormonal control?Class 10World of LivingControl and CoordinationLevel 17Hard ScienceIf the target organ of a hormone is present but its receptors have changed what may happen?Class 10World of LivingControl and CoordinationLevel 17Hard ScienceWhich statement gives the deepest difference between reflex action and voluntary action?Class 10Control and CoordinationReflex actionLevel 17Hard ScienceWhich sequence best represents the scientific understanding of a reflex arc?Class 10Control and CoordinationReflex actionLevel 17Medium ScienceA person has difficulty detecting smell but has no problem seeing or hearing. Which conclusion is most suitable?Class 10World of LivingControl and CoordinationLevel 17Hard ScienceWhat is the correct conclusion about division of work in different parts of the brain?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceIf a receptor becomes active for the wrong stimulus, what problem may occur in the response?Class 10World of LivingControl and CoordinationLevel 17Hard ScienceWhich statement correctly describes receptor specificity?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceWhat is the correct relation between estrogen secretion from the ovaries and changes during adolescence?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceIf testosterone secretion from the testes is low, which effect is more likely in an adolescent boy?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceWhat is the main difference between long-term adolescent changes and immediate hand withdrawal?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceA runner is under stress just before a race. Which hormone will prepare the body most immediately?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceIn which situation is the principle of negative feedback most clearly shown?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceIf the thyroid gland does not make enough thyroxine, which general body function may be affected?Class 10World of LivingControl and CoordinationLevel 17Medium ScienceWhich option correctly matches a plant hormone with its function?Class 10Control and CoordinationPlant hormonesLevel 17Medium ScienceIf unequal distribution of auxin does not occur in a plant, what will happen to phototropism?Class 10Control and CoordinationPlant hormonesLevel 17Medium ScienceWhat is the most likely effect of applying gibberellin to a dwarf plant?Class 10Control and CoordinationPlant hormonesLevel 17Medium