EASY
12th West Bengal Board
IMPORTANT
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Antibody mediated immunity is provided by T-cells.

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Important Questions on Health and Diseases

EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 6
Molecular weight of antigen must be more than 10,000 daltons.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 7
In acquired immunity, the role of memory cells is important.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 8
AIDS is an epidemic disease.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 9
Cancer-causing genes are called oncogenes.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 10
Filariasis is spread by female Anopheles mosquito.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 11
DPT is a triple antigen used against diphtheria, polio and tetanus.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 12
IgA is the major immunoglobulin present in serum. 
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 13
The antigens bind with the variable region of antibodies.