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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।

ScienceWhy is energy required for translocation of food in phloem?Class 10World of LivingLife ProcessesLevel 24Hard ScienceHow is food transport in phloem different from water transport in xylem?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhy may a plant close stomata when transpiration is very high and water availability is low?Class 10World of LivingLife ProcessesLevel 24Medium ScienceHow is upward movement of water in xylem possible against gravity?Class 10World of LivingLife ProcessesLevel 24Hard ScienceIf blood platelets are low, which problem may increase after an injury?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhy are capillaries most suitable for exchange of materials in tissues?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhat problem may occur if veins do not have valves?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhy do arteries have thick and elastic walls?Class 10World of LivingLife ProcessesLevel 24Medium ScienceIf blood from the right and left sides of the heart mixes more, what will be the main disadvantage?Class 10World of LivingLife ProcessesLevel 24Hard ScienceHow is double circulation in humans related to high energy demand?Class 10World of LivingLife ProcessesLevel 24Hard ScienceWhy do fish need to keep water flowing through the mouth over the gills?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhy is the respiratory surface kept inside the body in terrestrial organisms?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhy is it necessary for the human respiratory surface to be moist and thin?Class 10World of LivingLife ProcessesLevel 24Medium ScienceIf haemoglobin becomes very low in blood, what will be the effect on cellular respiration?Class 10Life ProcessesRespirationLevel 24Hard ScienceIf alveolar walls become thick, what will happen to gas exchange?Class 10World of LivingLife ProcessesLevel 24Hard ScienceIn which process is the formation of carbon dioxide by yeast during fermentation clearly seen?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhat is the most suitable life-process related reason for muscle pain after running?Class 10Life ProcessesRespirationLevel 24Hard ScienceWhy is less energy released in anaerobic respiration?Class 10Life ProcessesRespirationLevel 24Hard ScienceIf pancreatic juice does not reach the small intestine, which effect is most correct?Class 10World of LivingLife ProcessesLevel 24Medium ScienceWhat problem will occur in the oesophagus if peristalsis stops?Class 10World of LivingLife ProcessesLevel 24Medium