MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

Name the type of immunity that is present at the time of birth in humans. Explain any two ways by which it is accomplished.

Important Questions on Health and Diseases

MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 13
Explain the role of innate immunity in protection from infectious agents.
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 14
 What do you mean by primary and secondary immune responses?
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 15
 What is meant by immunity? Give example of natural immunity and artificial immunity.
HARD
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 1
What is innate immunity? Write about various types of its barriers.
HARD
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 2
What is acquired immunity? Describe briefly its different types. 
HARD
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 3
What is immunoglobulins? Describe the basic chemical structures of two immunoglobulin molecules. 
HARD
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 4
Define immunodeficiency. Give a brief account of AIDS 
HARD
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 9 - Health and Diseases>EXERCISE>Q 5
What is immune system? What are its main kinds? What is the role of B-type and T-type cells in the body defensive mechanism.