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Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Biology - English Medium - Human Health and Diseases
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Samacheer Kalvi 11th
English
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Human Health and Diseases
Samacheer Kalvi 11th Biology - Human Health and Diseases - Book Back Questions in English Medium
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Question 1 Of 10
Alkaloid found in tobacco is……………………..
Atropine
cocaine
heroin
nicotine
Question 2 Of 10
The Athlete’s foot disease in human is caused by ………………….
Bacteria
Fungi
Virus
Protozoan
Question 3 Of 10
AIDS is characterized by sharp reduction in number of……………………..
helper T cells
killer T cells
superior T cells
B-cells
Question 4 Of 10
The L and H chains of immunoglobulin are joined by………………
Hydrogen bonds
disulphide bonds
phosphodiester bonds
ionic bond
Question 5 Of 10
Cocaine is a ……………………..potent.
Hallucinogen
pain reliever
neurotransmitter
Hallucinogen
Question 6 Of 10
Amphetamines are stimulants of the CNS, whereas barbiturates are ………………….
CNS stimulant
both a and b
hallucinogenic
CNS depressants
Question 7 Of 10
Bacillary dysentery is caused due to……………………..
Shigella
Clostridium
Yersinia
Shigellosis
Question 8 Of 10
…………….test is done to confirm typhoid.
ELISA
Western blot
Widal test
Southern blot
Question 9 Of 10
Plague and malaria are caused by ……………………..and……………… respectively.
bacteria and virus
fungi and protozoa
bacteria and protozoan
fungi and bacteria
Question 10 Of 10
Which of the following is not a feature of passive immunity?
It is transient and less effective
Immunological memory is present
Immunity develops immediately
Antibodies are obtained from outside
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