Which point mutation changes a codon but does not alter the resulting amino acid?

• (A) Missense mutation
• (B) Nonsense mutation
• (C) Silent mutation
• (D) Frameshift mutation

What is the primary role of reverse transcriptase in recombinant DNA technology?

• (A) To synthesize DNA from an RNA template
• (B) To cut DNA at specific sites
• (C) To join DNA fragments
• (D) To amplify DNA sequences

Which enzyme is responsible for relieving supercoiling during DNA replication?

• (A) DNA ligase
• (B) Helicase
• (C) Topoisomerase
• (D) Primase

According to WHO, what is the BMI (Body Mass Index) classification range for a ”pre-obese” individual?

• (A) 18.5 – 24.9
• (B) 25.0 – 29.9
• (C) 30.0 – 34.9
• (D) 35.0 – 39.9

In the Integrated Management of Neonatal and Childhood Illness (IMNCI), what is the respiration rate threshold for ”fast breathing” in a child aged 12 months to 5 years?

• (A) \(\geq\) 40 breaths per minute
• (B) \(\geq\) 50 breaths per minute
• (C) \(\geq\) 60 breaths per minute
• (D) \(\geq\) 70 breaths per minute

Which type of immunity is acquired through the administration of a vaccine?

• (A) Natural active immunity
• (B) Natural passive immunity
• (C) Artificial active immunity
• (D) Artificial passive immunity

According to the National Immunization Schedule, which types of poliovirus are contained in the Oral Polio Vaccine (OPV)?

• (A) Type 1 only
• (B) Type 1 and Type 2
• (C) Type 1 and Type 3
• (D) Type 1, Type 2, and Type 3

”Koplik’s spots” on the oral mucosa are a pathognomonic sign of which infectious disease?

• (A) Rubella
• (B) Measles
• (C) Chickenpox
• (D) Scarlet fever

Which study design is considered the ”gold standard” for developing and testing a new vaccine?

• (A) Cohort study
• (B) Case-control study
• (C) Randomized Controlled Trial (RCT)
• (D) Cross-sectional study

What happens to the prevalence of a disease if the duration of the illness increases while incidence remains constant?

• (A) Decreases
• (B) Remains unchanged
• (C) Increases
• (D) Becomes zero

Which statistical test is most appropriate for comparing the mean hemoglobin levels between two independent groups?

• (A) Paired t-test
• (B) Chi-square test
• (C) Independent t-test
• (D) ANOVA

Which Indian legislative act provides social security measures specifically for industrial workers regarding maternity benefits?

• (A) Factories Act, 1948
• (B) Employees’ State Insurance Act, 1948
• (C) Maternity Benefit Act, 1961
• (D) Minimum Wages Act, 1948

What is the commonest type of cancer among males in India?

• (A) Lung cancer
• (B) Oral cancer
• (C) Prostate cancer
• (D) Stomach cancer

Which type of ”blinding” is most commonly utilized in Randomized Controlled Trials (RCTs) to reduce bias?

• (A) Single-blind
• (B) Double-blind
• (C) Triple-blind
• (D) Open-label

Which nutrient deficiency is the primary cause of ”hidden hunger” in a population?

• (A) Protein deficiency
• (B) Carbohydrate deficiency
• (C) Micronutrient deficiency
• (D) Fat deficiency

What are the four components of the WHO health system building blocks?

• (A) Service delivery, Health workforce, Health information systems, Access to essential medicines
• (B) Financing, Governance, Infrastructure, Technology
• (C) Nutrition, Sanitation, Education, Immunization
• (D) Prevention, Treatment, Rehabilitation, Research