2021
Science & Technology
Subject Collection
UPSC Prelims 2021 Science & Technology
Science & Technology PYQs for UPSC Prelims 2021.
2021
Science & Technology
Bollgard I and Bollgard II technologies are mentioned in the context of
2021
Science & Technology
With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements: 1. Genetic engineering is applied in the development of these vaccines. 2. Bacteria and viruses are u...
2021
Science & Technology
Which one of the following is used in preparing a natural mosquito repellent?
2021
Science & Technology
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. 2. As street-lights, sodium lamps have longer lif...
2021
Science & Technology
In the context of hereditary diseases, consider the following statements: 1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitr...
2021
Science & Technology
Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer using the codes given below.
2021
Science & Technology
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 answer using the code given below
2021
Science & Technology
The term ‘ACE2’ is talked about in the context of
2021
Science & Technology
Consider the following statements: 1. Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes. 2. Common cold is sometime caused by an adenovirus whereas AIDS is caused by...
2021
Science & Technology
Which one of the following is a reason why astronomical distances are measured in light-years?
2021
Science & Technology
In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following? 1. Area of the hole in the lid. 2. Temperature of the flame 3. Weight of the lid Select the correct an...
2021
Science & Technology