Diseases MCQs for LDC
Practice 20 free Diseases questions under Health & Nutrition — Science & Tech.
Strengthen your Diseases knowledge for LDC with curated MCQs. Switch between Hindi and English anytime.
LDC — Health & Nutrition — Diseases
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Which specific substance is utilized in the Mantoux test to elicit a localized immune reaction?
Question 2 of 20
Which specific organ is targeted by the 'Mumps rubulavirus', leading to its characteristic symptom of pronounced facial swelling?
Question 3 of 20
Which of the following diseases is inherently characterized by an intense physiological fear of water (hydrophobia) as its central nervous system deteriorates?
Question 4 of 20
Which of the following statements accurately describes the fundamental nature of a 'Typhoid Mary' scenario?
Question 5 of 20
Assertion (A): The Reverse Transcription Polymerase Chain Reaction (RT-PCR) is globally utilized as the gold standard diagnostic test for COVID-19. Reason (R): The RT-PCR test rapidly identifies the specific DNA sequence of the Hepatitis B virus circulating in the blood.
Question 6 of 20
Which specific components are identified in a patient's serum during a Widal Test to confirm the presence of Typhoid?
Question 7 of 20
Match the specific pathogen with the primary human organ or biological system it heavily targets and subsequently damages: List-I (Pathogen) A. Trypanosoma brucei B. Wuchereria bancrofti C. Plasmodium falciparum D. Leishmania donovani List-II (Target Organ/System) 1. Bone Marrow and Spleen 2. Brain and Central Nervous System 3. Red Blood Cells and Liver 4. Lymphatic System
Question 8 of 20
Match List I (Disease) with List II (Mode of Transmission): List I: a. Tetanus b. Diphtheria c. Leprosy d. Typhoid List II: 1. Prolonged close contact 2. Airborne respiratory droplets 3. Contaminated food and water 4. Soil or rusted iron via open wounds Select the correct answer using the codes given below:
Question 9 of 20
Which of the following bacterial pathogens is correctly matched with its common clinical name and respiratory symptoms?
Question 10 of 20
Which of the following diseases is correctly matched with its underlying diagnostic test mechanism? 1. AIDS - Antigen-antibody interaction 2. COVID-19 - Amplification of viral genetic material 3. Dengue - Subcutaneous PPD injection Select the correct answer using the code given below:
Question 11 of 20
Which of the following diagnostic procedures involves checking capillary fragility to screen for a specific viral infection?
Question 12 of 20
Assertion (A): Modern medical science defines human health strictly and exclusively as the complete physiological absence of any pathogenic disease or physical infirmity within the body. Reason (R): The historical discoveries of blood circulation and modern microbiology fundamentally shifted the global focus from the balance of 'humors' to the comprehensive physical, mental, and social well-being of an individual.
Question 13 of 20
What is the primary biological characteristic that defines the reproductive limitation of a virus?
Question 14 of 20
Match List-I (Syndrome) with List-II (Chromosomal Defect): List-I a. Patau Syndrome b. Edwards Syndrome c. Down Syndrome List-II i. Trisomy 18 ii. Trisomy 21 iii. Trisomy 13 Choose the correct code:
Question 15 of 20
Match List-I (Test) with List-II (Mechanism): List-I a. ELISA b. RT-PCR c. Mantoux Test List-II i. Subcutaneous PPD injection ii. Amplification of viral genetic material iii. Antigen-antibody interaction Choose the correct code:
Question 16 of 20
Assertion (A): The oral polio vaccine (OPV) is administered to protect the human central nervous system from paralysis. Reason (R): Poliovirus predominantly spreads via respiratory air droplets, directly invading the lungs before reaching the spinal cord.
Question 17 of 20
What is the fundamental difference in the genetic etiology between a Mendelian disorder and a Chromosomal disorder?
Question 18 of 20
Which of the following best represents the correct sequential biological process of pathogenesis when a communicable disease infects a human host?
Question 19 of 20
The BCG vaccine is administered to infants shortly after birth to provide immunity against which of the following severe bacterial infections?
Question 20 of 20