Diseases: UPSC Previous Year Questions (Science and Technology)
1 previous year UPSC Prelims question on Diseases (Science and Technology). Choose an option to see the answer and explanation.
Explanations state facts as of the year each question was asked; words like “recently” refer to that year.
Showing 1–1 of 1 question
UPSC 2016Science and Technology · Diseases
Q1. Which of the following statements is/are correct? Virus can infect 1. Bacteria 2. Fungi 3. Plants Select the correct answer using the code given below:
Explanation
Viruses can infect bacteria and are commonly known as bacteriophages. They attach to bacterial cells and inject their genetic material, leading to the production of new viral particles within the bacterial host. Viruses that infect fungi are termed mycoviruses. These viruses can influence the physiology and pathogenicity of their fungal hosts. Notably, studies have shown that fungi can acquire viruses and viroids from plants, indicating cross-kingdom transmission. Numerous viruses infect plants, causing a variety of diseases that can significantly impact agricultural productivity. These plant viruses can be transmitted through various means, including insect vectors, mechanical damage, and seed transmission. Ex-Tobacco Mosaic Virus (TMV), infect plants, causing diseases that affect crop yields and quality.
Answer key for these questions
Q
UPSC year
Correct answer
1
2016
(d) 1, 2 and 3
Frequently asked questions
How many previous year UPSC questions are there on Diseases?
This page covers 1 previous year UPSC Prelims GS Paper-I questions on Diseases (Science and Technology), asked from 2013 to 2021. Each has the correct answer and an explanation.
How should I use previous year UPSC questions for Prelims?
Attempt each question first, then open the answer and read the explanation for every option. Repeat by chapter, and track which statements UPSC reuses across years. Previous year questions show the exam pattern and difficulty level.
Which years are covered for Diseases?
Questions on Diseases (Science and Technology) are available for 9 years, from 2013 to 2021. Use the Year filter to practise a single paper.
