NCERT CLASS 12 CHAPTER 8 HUMAN HEALTH AND DISEASE EXAM QUESTIONS WITH
CORRECT ANSWERS LATEST UPDATE 2025/2026
who discovered blood circulation? - Answers william harway
who disproved good humour hypothesis - Answers william harway
causitive agent of typhoid? - Answers salmonela *typhi*
mode of transmission for typhoid(enteric fever)? - Answers feaco-oral route
infected area in typhoid? - Answers small intestine
intestinal perforations may occur in? - Answers typhoid
typhoid is characterised by? - Answers fever(39-40 C)
test for typhoid? - Answers widal test
causitive agent for pneumnonia? - Answers streptococcus pneumonia/
haemophillus influenzae
pneumonia is characterised by? - Answers fluid accumulation in lungs
lips and nails turn blue in? - Answers pneumonia
pneumonia is transmitted through? - Answers fomite and aerosols
common cold is caused by? - Answers rhino virus
name the most infectious human ailment? - Answers common cold
infection of respiratory passage, nose but not lungs? - Answers common cold
most serious and fatal type of malaria is caused by? - Answers plasmodium falciparum
primary/final host for plasmodium? - Answers mosquito(fertilisation occurs)
infectious stage of plasmodium for humans? - Answers sporozoites from saliva of female
anopheles mosquito
toxic substances released during malaria which cause chills and high fever? - Answers
haemozoins
fever and chills in malaria occur after every? - Answers 3-4 days
gametocytes of plasmodium are taken up by? - Answers by mosquito through blood meals
sporozoites are stored in mosquito's? - Answers salivary glands
, gametocytes fertilise and develop in mosquito's? - Answers gut/stomach
inside human body, sporozoites of plasmodium multifly in? - Answers liver cells
inside human body, sporozoites of plasmodium attack and rupture? - Answers RBC's
ameobiasis or ameobic dysentry is caused by? - Answers entamoeba histolyca
in ameobiasis affected area is? - Answers large intestine of human
constipation, abdominal pain, stools with excess mucous and blood clots are symptoms of? -
Answers ameobiasis
mechanical carrier for ameobasis? - Answers housefly
mode of transmission for ameobiasis? - Answers faeco-oral route
ascariasis is caused by? - Answers common roundworm(ascaris)
internal bleeding, anemia, blockage of intestinal passage, muscular pain are symptoms of? -
Answers ascariasis
mode of transmission for ascariasis? - Answers faeco-oral route
elephantiasis/ filariasis is caused by? - Answers wuchereria (filarial worm)
chronic inflammation of genital organs and lymphatic vessels of lower limb resulting in gross
deformities is caused in? - Answers elephantiasis/filariasis
vector for elephantiasis? - Answers female culex mosquito
one of the most common infectious diseases in man? - Answers ringworms
fungi of genera microsporum, trychophyton, epidermophyton cause? - Answers ringworms
ringworms is aquired by? - Answers *soil*
using towel, clothes, or comb of infected person
appearance of dry, scaly leisons on skin, nails, an scalp which cause intense itching !! - Answers
ringworms
fungus thrives in skin folds, growin, b/w toes as moisture helps it to grow!! - Answers ringworms
vaccination can prevent? - Answers polio
diptheria
tetanus
CORRECT ANSWERS LATEST UPDATE 2025/2026
who discovered blood circulation? - Answers william harway
who disproved good humour hypothesis - Answers william harway
causitive agent of typhoid? - Answers salmonela *typhi*
mode of transmission for typhoid(enteric fever)? - Answers feaco-oral route
infected area in typhoid? - Answers small intestine
intestinal perforations may occur in? - Answers typhoid
typhoid is characterised by? - Answers fever(39-40 C)
test for typhoid? - Answers widal test
causitive agent for pneumnonia? - Answers streptococcus pneumonia/
haemophillus influenzae
pneumonia is characterised by? - Answers fluid accumulation in lungs
lips and nails turn blue in? - Answers pneumonia
pneumonia is transmitted through? - Answers fomite and aerosols
common cold is caused by? - Answers rhino virus
name the most infectious human ailment? - Answers common cold
infection of respiratory passage, nose but not lungs? - Answers common cold
most serious and fatal type of malaria is caused by? - Answers plasmodium falciparum
primary/final host for plasmodium? - Answers mosquito(fertilisation occurs)
infectious stage of plasmodium for humans? - Answers sporozoites from saliva of female
anopheles mosquito
toxic substances released during malaria which cause chills and high fever? - Answers
haemozoins
fever and chills in malaria occur after every? - Answers 3-4 days
gametocytes of plasmodium are taken up by? - Answers by mosquito through blood meals
sporozoites are stored in mosquito's? - Answers salivary glands
, gametocytes fertilise and develop in mosquito's? - Answers gut/stomach
inside human body, sporozoites of plasmodium multifly in? - Answers liver cells
inside human body, sporozoites of plasmodium attack and rupture? - Answers RBC's
ameobiasis or ameobic dysentry is caused by? - Answers entamoeba histolyca
in ameobiasis affected area is? - Answers large intestine of human
constipation, abdominal pain, stools with excess mucous and blood clots are symptoms of? -
Answers ameobiasis
mechanical carrier for ameobasis? - Answers housefly
mode of transmission for ameobiasis? - Answers faeco-oral route
ascariasis is caused by? - Answers common roundworm(ascaris)
internal bleeding, anemia, blockage of intestinal passage, muscular pain are symptoms of? -
Answers ascariasis
mode of transmission for ascariasis? - Answers faeco-oral route
elephantiasis/ filariasis is caused by? - Answers wuchereria (filarial worm)
chronic inflammation of genital organs and lymphatic vessels of lower limb resulting in gross
deformities is caused in? - Answers elephantiasis/filariasis
vector for elephantiasis? - Answers female culex mosquito
one of the most common infectious diseases in man? - Answers ringworms
fungi of genera microsporum, trychophyton, epidermophyton cause? - Answers ringworms
ringworms is aquired by? - Answers *soil*
using towel, clothes, or comb of infected person
appearance of dry, scaly leisons on skin, nails, an scalp which cause intense itching !! - Answers
ringworms
fungus thrives in skin folds, growin, b/w toes as moisture helps it to grow!! - Answers ringworms
vaccination can prevent? - Answers polio
diptheria
tetanus
