Science topic analysis
Biology & Health UPSC PYQs
This cluster examines human and plant biology, microorganisms, immunity, nutrition, diseases, public-health interventions, and the biological basis of health. This live collection contains 24 classified questions across 11 exam years, from 2014 to 2025.
Year-by-year frequency
Counts show how many questions in this library were assigned to the category in each represented exam year. A zero is not implied for omitted years, and frequency alone is not a prediction of a future paper.
Source topic labels in this cluster
Recurrent concept labels
Representative solved questions
The sample prioritizes different years and removes repeated prompt text. Open a question to see its options, independent answer, and explanation.
UPSC 2025 · Science
Consider the following statements : I. No virus can survive in ocean waters. II. No virus can infect bacteria. III. No virus can change the cellular transcriptional activity i...
UPSC 2024 · Science
Consider the following statements : 1. No virus can survive in ocean waters. 2. No virus can infect bacteria. 3. No virus can change the cellular transcriptional activity in h...
UPSC 2023 · Science
Consider the following statements : 1. Some mushrooms have medicinal properties. 2. Some mushrooms have psycho-active properties. 3. Some mushrooms have insecticidal propertie...
UPSC 2022 · Science
Consider the following statements : 1. Biofilms can form on medical implants within human tissues. 2. Biofilms can form on food and food processing surfaces. 3. Biofilms can e...
UPSC 2021 · Science
Consider the following : 1. Bacteria 2. Fungi 3. Virus Which of the above can be cultured in artificial/synthetic medium?
UPSC 2020 · Science
Which of the following statements are correct regarding the general difference between plant and animal cells ? 1. Plant cells have cellulose cell walls whilst animal cells do...
UPSC 2019 · Science
Which one of the following statements is not correct?
UPSC 2017 · Science
Consider the following statements: 1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue. 2. Sexual transmission of Zika virus d...
UPSC 2016 · Science
Which of the following statements is/are correct? Viruses can infect 1. bacteria 2. fungi 3. plants Select the correct answer using the code given below.
UPSC 2015 · Science
H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?
How this page is built
Topic and concept labels are AI-assisted enrichment, not official UPSC classifications. We map them into a conservative editorial taxonomy using deterministic label rules, publish a category only when it has at least 10 questions across at least three exam years, and keep ambiguous records out of topic pages. Counts update with the question bank. See the full methodology and correction policy.