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.
The chronic inflammation of lymphatic vessels, usually in the lower limbs, resulting in Elephantiasis is primarily transmitted by which vector?
A.Male Anopheles mosquito
B.Female Anopheles mosquito
C.Houseflies
D.Female Culex mosquito
- 2.
Which of the following genera of fungi is NOT commonly associated with Ringworms?
A.B.C.D. - 3.
The Widal test is a standard diagnostic tool used for the detection of which disease?
A.Pneumonia
B.Malaria
C.Typhoid
D.Amoebiasis
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.
Which type of lymphocytes are responsible for Cell-Mediated Immunity (CMI)?
A.B-lymphocytes
B.Erythrocytes
C.Thrombocytes
D.T-lymphocytes
- 2.
The yellowish fluid 'Colostrum' secreted by a mother during the initial days of lactation contains which type of antibodies to protect the infant?
A.IgG
B.IgA
C.IgM
D.IgE
- 3.
Acquired immunity is characterized by which unique feature that allows a faster and stronger response upon a second encounter with the same pathogen?
A.Memory
B.Lack of specificity
C.Phagocytosis
D.Physical barriers
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.
In which type of immunity does the host's body produce its own antibodies in response to antigens (living or dead microbes)?
A.Passive immunity
B.Innate immunity
C.Active immunity
D.Autoimmunity
- 2.
The principle of vaccination is based on which property of the immune system?
A.Memory
B.Specificity
C.Diversity
D.Discrimination between self and non-self
- 3.
The yellowish fluid 'colostrum' secreted by the mother during the initial days of lactation contains abundant antibodies to protect the infant. Which class of antibodies is predominantly found in colostrum?
A.B.C.D.
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.
Which of the following factors is considered a carcinogen that can lead to the development of cancer?
A.Ionizing radiations like X-rays
B.Chemical agents present in tobacco smoke
C.Non-ionizing radiations like UV rays
D.All of the above
- 2.
Normal cells exhibit a property that inhibits their uncontrolled growth when they come in contact with other cells. Cancerous cells lose this property, which is known as:
A.Contact inhibition
B.Apoptosis
C.Metastasis
D.Cellular differentiation
- 3.
Which of the following diagnostic tests is most commonly used as a primary screening tool for the detection of HIV antibodies in a patient's blood?
A.Widal Test
B.ELISA (Enzyme-Linked Immunosorbent Assay)
C.MRI (Magnetic Resonance Imaging)
D.Biopsy and Histopathological study
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.
Marijuana, hashish, charas, and ganja are different forms of drugs obtained from which part or species of plant?
A.Atropa belladonna
B.Erythroxylum coca
C.Cannabis sativa
D.Papaver somniferum
- 2.
The tendency of the body to manifest characteristic and unpleasant symptoms if a regular dose of drugs or alcohol is abruptly discontinued is called:
A.Drug Resistance
B.Tolerance
C.Withdrawal Syndrome
D.Psychosis
- 3.
Adolescence is defined as a period of physical and psychological transition, typically spanning the age range of:
A.5-10 years
B.12-18 years
C.18-25 years
D.25-35 years
Download the worksheet for Human Health and Diseases - Adolescence and Drug/Alcohol Abuse to practice offline. It includes additional chapter-level practice questions.