Human Health and Diseases
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Common Pathogenic Diseases in Humans
SubtopicCommon Pathogenic Diseases in Humans under Human Health and Diseases for Grade 12 CBSE.
Preview questions (no answers)
- 1.
What is the primary reservoir for Ascaris eggs in the environment?
A.Stagnant water
B.Air
C.Contaminated soil
D.Saliva of mosquitoes
- 2.
Entamoeba histolytica is a parasite that lives in which part of the human body?
A.Stomach
B.Large intestine
C.Red blood cells
D.Salivary glands
- 3.
Which of the following is a bacterial disease often characterized by a persistent cough and fluid in the lungs?
A.Dysentery
B.Pneumonia
C.Amoebiasis
D.Malaria
Download the worksheet for Human Health and Diseases - Common Pathogenic Diseases in Humans to practice offline. It includes additional chapter-level practice questions.
Basic Concepts of Immunology
SubtopicBasic Concepts of Immunology under Human Health and Diseases for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Small lymphoid aggregates found in the wall of the small intestine are called:
A.Lymph nodes
B.Tonsils
C.Peyer's patches
D.Spleen
- 2.
The term 'antitoxin' refers to a preparation containing antibodies to a specific:
A.Virus
B.Bacterium
C.Toxin
D.Fungus
- 3.
A person recovering from a natural infection like measles develops which type of immunity?
A.Active immunity
B.Passive immunity
C.Innate immunity
D.Artificial immunity
Download the worksheet for Human Health and Diseases - Basic Concepts of Immunology to practice offline. It includes additional chapter-level practice questions.
Vaccines and Immunization
SubtopicVaccines and Immunization under Human Health and Diseases for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Smallpox vaccine was prepared using which virus by Edward Jenner?
A.Measles virus
B.Cowpox virus
C.Polio virus
D.Influenza virus
- 2.
The first dose of a vaccine stimulates the production of:
A.Primary immune response
B.Secondary immune response
C.Tertiary immune response
D.Anaphylactic shock
- 3.
Vaccines provide long-term protection because of the formation of:
A.Red blood cells
B.Memory cells
C.Platelets
D.Plasma
Download the worksheet for Human Health and Diseases - Vaccines and Immunization to practice offline. It includes additional chapter-level practice questions.
Cancer and AIDS
SubtopicCancer and AIDS under Human Health and Diseases for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Why is it important to detect cancer at an early stage?
A.To make it spread faster
B.To increase the cost of treatment
C.To successfully treat the disease
D.To ensure the tumor becomes malignant
- 2.
Immunity against cancer can be boosted by using:
A.Antibiotics
B.Alpha-interferons
C.Painkillers
D.Antipyretics
- 3.
What makes malignant tumors more dangerous than benign tumors?
A.They have a protective capsule
B.They spread to other parts of the body
C.They are always small in size
D.They do not divide
Download the worksheet for Human Health and Diseases - Cancer and AIDS to practice offline. It includes additional chapter-level practice questions.
Adolescence and Drug/Alcohol Abuse
SubtopicAdolescence and Drug/Alcohol Abuse under Human Health and Diseases for Grade 12 CBSE.
Preview questions (no answers)
- 1.
What is the common term used for the physical and mental state of a person who is unable to live without a particular drug?
A.Withdrawal
B.Dependence
C.Recovery
D.Stimulation
- 2.
Which of the following is a symptom of mood swings and aggressive behavior often seen in steroid abusers?
A.Calmness
B.Increased irritability
C.Improved sleep
D.Enhanced empathy
- 3.
In addition to liver damage, chronic alcohol abuse also leads to damage of the:
A.Nervous system
B.Skeletal system
C.Skin
D.Hair
Download the worksheet for Human Health and Diseases - Adolescence and Drug/Alcohol Abuse to practice offline. It includes additional chapter-level practice questions.