The infectious stage of Plasmodium that enters the human body is:

NEET-(Sept)2020 [Human-Health-and-Disease] [class-xii ]

• Trophozoites
• Sporozoites
• Female gametocytes
• Male gametocytes
Correct Option: B  [ Sporozoites ]

Remark:

Identify the wrong statement with reference to immunity.

NEET-(Sept)2020 [Human-Health-and-Disease] [class-xii ]

• When exposed to antigen (living or dead) antibodies are produced in the host’s body. It is called "Active immunity".
• When ready-made antibodies are directly given, it is called "Passive immunity".
• Active immunity is quick and gives full response.
• Foetus receives some antibodies from mother, it is an example for passive immunity.
Correct Option: C  [ Active immunity is quick and gives full response. ]

Remark:

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

NEET-2019 [Human-Health-and-Disease] [class-xii ]

• Salmonella typhi/Widal test
• Salmonella typhi/Anthrone test
• Streptococcus pneumoniae/Widal test
• Plasmodium vivax/UTI test.
Correct Option: A  [ Salmonella typhi/Widal test ]

Remark:

Concanavalin A is:

NEET-2019 [Human-Health-and-Disease] [class-xii ]

• an alkaloid
• a lectin
• an essential oil
• a pigment
Correct Option: B  [ a lectin ]

Remark:

Which of the following immune responses is responsible for rejection of kidney graft?

NEET-2019 [Human-Health-and-Disease] [class-xii ]

• Cell-mediated immune response
• Inflammatory immune response
• Humoral immune response
• Cell-mediated immune response
Correct Option: A  [ Cell-mediated immune response ]

Remark:

Drug called 'Heroin' is synthesized by:

NEET-2019 [Human-Health-and-Disease] [class-xii ]

• methylation of morphine
• glycosylation of morphine
• acetylation of morphine
• nitration of morphine
Correct Option: C  [ acetylation of morphine ]

Remark:

Match List I with List II:

NEET-2024 [Human-Health-and-Disease] [class-xii ]

• A-IV, B-III, C-I, D-II
• A-I, B-III, C-II, D-IV
• A-I, B-III, C-II, D-IV
• A-III, B-I, C-IV, D-II
Correct Option: A  [ A-IV, B-III, C-I, D-II ]

Remark:

Match List I with List II:

NEET-2024 [Human-Health-and-Disease] [class-xii ]

• A-I, B-III, C-II, D-IV
• A-II, B-IV, C-III, D-I
• A-IV, B-II, C-III, D-I
• A-III, B-I, C-II, D-IV
Correct Option: D  [ A-III, B-I, C-II, D-IV ]

Remark: