Health and Diseases

Think and Answer

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Question 1

Which of the following diseases is caused by a virus?

  • Typhoid

  • Tuberculosis

  • Dengue

  • Cholera

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Question 2

Which of the following is a non-communicable disease?

  • Tuberculosis

  • Diabetes

  • Influenza

  • Malaria

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Question 3

What is the primary function of the immune system?

  • Digest food

  • Regulate hormones

  • Transport oxygen

  • Defend the body from pathogens

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Question 4

Which of the following is an example of active immunity?

  • Antibody injection

  • Breastfeeding

  • Vaccination

  • Serum therapy

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Question 5

Innate immunity is present:

  • After infection

  • After birth

  • At the time of birth

  • Only after vaccination

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Question 6

Which antibody is found in secretions like saliva and tears?

  • IgG

  • IgA

  • IgM

  • IgE

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Question 7

Which antigen type is responsible for triggering a strong immune response?

  • Haptens

  • Complete antigens

  • Weak antigens

  • Autoantigens

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Question 8

How do antibodies destroy pathogens?

  • By producing energy

  • By stimulating nerves

  • By neutralising toxins and marking pathogens for destruction

  • By digesting food

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Question 9

What is the difference between an antigen and an antibody?

  • Antigens kill pathogens, antibodies cause infection

  • Antigens are foreign substances; antibodies are proteins that bind them

  • Both are part of innate immunity

  • Antibodies are cells, antigens are proteins

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Question 10

What does the ELISA test detect?

  • Blood type

  • Antigen-antibody interaction

  • Sugar level

  • DNA sequence

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Tags:
Biology

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