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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 are artery walls thick and elastic?Class 10World of LivingLife ProcessesLevel 23MediumScienceWhat is the main advantage of four chambers in the human heart?Class 10World of LivingLife ProcessesLevel 23MediumScienceWhy is it necessary to remove carbon dioxide from the body?Class 10Life ProcessesRespirationLevel 23EasyScienceWhich problem may increase in the body due to deficiency of haemoglobin?Class 10World of LivingLife ProcessesLevel 23EasyScienceWhy are alveoli effective for exchange of gases?Class 10World of LivingLife ProcessesLevel 23MediumScienceWhich substances are produced by anaerobic respiration in yeast?Class 10World of LivingLife ProcessesLevel 23EasyScienceMuscle cramps after hard running may be related to formation of which substance?Class 10World of LivingLife ProcessesLevel 23MediumScienceWhy is aerobic respiration more beneficial than anaerobic respiration?Class 10Life ProcessesRespirationLevel 23MediumScienceWhat will happen to faeces if water is not absorbed in the large intestine?Class 10World of LivingLife ProcessesLevel 23EasyScienceHow does food move down the food pipe even when it may not be liquid?Class 10World of LivingLife ProcessesLevel 23MediumScienceIf the number of villi decreases, which process will be affected most?Class 10Life ProcessesNutritionLevel 23EasyScienceWhy is the small intestine suitable for both digestion and absorption?Class 10World of LivingLife ProcessesLevel 23MediumScienceBile juice has no enzyme; yet how does it help in digestion?Class 10World of LivingLife ProcessesLevel 23EasyScienceWhat problem can occur if mucus is deficient in the stomach?Class 10World of LivingLife ProcessesLevel 23EasyScienceWhat is the importance of an acidic medium in the stomach for digestion?Class 10World of LivingLife ProcessesLevel 23MediumScienceIf salivary glands do not work properly, which digestion will be affected first?Class 10World of LivingLife ProcessesLevel 23EasyScienceWhat is the double effect of saliva on food in humans?Class 10World of LivingLife ProcessesLevel 23EasyScienceWhat is the main basis of difference between autotrophic and heterotrophic nutrition?Class 10World of LivingLife ProcessesLevel 23EasyScienceWhat is the most suitable reason for a negative starch test in a green plant kept in darkness?Class 10World of LivingLife ProcessesLevel 23EasyScienceWhat happens to stomata when water content in guard cells decreases?Class 10World of LivingLife ProcessesLevel 23Medium