Question 1
Medium
UPSC Prelims 2021 Science & Technology
UPSC Prelims 2021 Science & Technology PYQs — start a timed practice test with explanations. 13 questions.
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Question 2
Hard
Bollgard I and Bollgard II technologies are mentioned in the context of
Question 3
Medium
With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements: 1. Genetic engineering is applied in the development...
Question 4
Easy
Which one of the following is used in preparing a natural mosquito repellent?
Question 5
Medium
With reference to street lighting, how do sodium lamps differ from LED lamps? 1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps. ...
Question 6
Medium
In the context of hereditary diseases, consider the following statements: 1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial ...
Question 7
Hard
Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer usin...
Question 8
Easy
In the nature, which of the following is/are most likely to be found surviving on a surface without soil? 1. Fern 2. Litchen 3. Moss 4. Mushroom Select the correct a...
Question 9
Easy
The term ‘ACE2’ is talked about in the context of
Question 10
Hard
Consider the following statements: 1. Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes. 2. Common cold is sometime...
Question 11
Medium
Which one of the following is a reason why astronomical distances are measured in light-years?
Question 12
Medium