🚀 S&T REVISION SERIES FOR PRELIMS 2026 BEGINS TODAY
From today onwards, we begin a structured revision of Science & Technology for UPSC CSE Prelims 2026.
🎯 This series will help you:
✔ Revise important current affairs-linked topics
✔ Identify which sections of the PMF IAS S&T book to focus on more
✔ Avoid reading the book randomly and instead cover it strategically
📘 How to use this series:
👉 Follow daily posts
👉 Revise the mentioned sections from the book
👉 Solve MCQs and track your understanding
⚠️ Remember:
This is NOT about reading everything.
This is about smart revision + right focus areas.
Let’s begin. Stay consistent. 💪
From today onwards, we begin a structured revision of Science & Technology for UPSC CSE Prelims 2026.
🎯 This series will help you:
✔ Revise important current affairs-linked topics
✔ Identify which sections of the PMF IAS S&T book to focus on more
✔ Avoid reading the book randomly and instead cover it strategically
📘 How to use this series:
👉 Follow daily posts
👉 Revise the mentioned sections from the book
👉 Solve MCQs and track your understanding
⚠️ Remember:
This is NOT about reading everything.
This is about smart revision + right focus areas.
Let’s begin. Stay consistent. 💪
❤2
CRISPR-Cas9 technology is primarily used for:
Anonymous Quiz
3%
Protein synthesis
94%
Gene editing
2%
Energy storage
0%
Vaccine delivery
With reference to CRISPR-Cas9, consider: 1. Cas9 acts as a molecular scissor. 2. Guide RNA helps locate the target DNA sequence. 3. It can insert, delete, or modify genes. Which of the above are correct?
Anonymous Quiz
10%
1 and 2 only
7%
2 and 3 only
13%
1 and 3 only
70%
1, 2 and 3
Which of the following are applications of CRISPR technology? 1. Treating genetic disorders. 2. Developing disease-resistant crops. 3. Creating designer babies.
Anonymous Quiz
26%
1 and 2 only
8%
2 and 3 only
58%
1, 2 and 3
7%
1 only
❤1
Attempt the above MCQs to assess your level of conceptual clarity regarding CRISPR-Cas9 technology.
CAR-T cell therapy is primarily used in the treatment of:
Anonymous Quiz
2%
Bacterial infections
3%
Viral diseases
69%
Cancer
26%
Genetic disorders
With reference to CAR-T cell therapy, consider: 1. T cells are extracted from the patient. 2. These cells are genetically modified to target cancer cells. 3. Modified cells are infused back into the patient. Which of the above are correct?
Anonymous Quiz
3%
1 and 2 only
8%
2 and 3 only
7%
1 and 3 only
83%
1, 2 and 3
Which of the following statements regarding CAR-T cell therapy is/are correct? 1. It is effective mainly against blood cancers. 2. It works by directly killing pathogens. 3. It may cause immune-related side effects.
Anonymous Quiz
39%
1 and 3 only
14%
2 and 3 only
18%
1 and 2 only
28%
1, 2 and 3
Attempt the above MCQs to assess your level of conceptual clarity regarding CAR-T cell therapy.
👍6
Vaccines primarily work by:
Anonymous Quiz
3%
Directly killing pathogens
17%
Enhancing physical immunity barriers
70%
Stimulating the immune system to produce memory cells
10%
Preventing entry of pathogens into the body
❤1
Which of the following are types of vaccines? 1. Live attenuated vaccines 2. Inactivated vaccines 3. mRNA vaccines
Anonymous Quiz
4%
1 and 2 only
4%
2 and 3 only
12%
1 and 3 only
79%
1, 2 and 3
With reference to mRNA vaccines, consider: 1. They use live virus to trigger immunity. 2. They provide genetic instructions to produce antigens. 3. They can be developed faster than traditional vaccines. Which of the above are correct?
Anonymous Quiz
14%
1 and 2 only
42%
2 and 3 only
5%
1 and 3 only
39%
1, 2 and 3
With reference to mRNA vaccines: 1. They deliver genetic material that codes for a specific antigen. 2. They integrate into the host cell DNA to produce immunity. 3. They rely on host cells to produce the antigen. Which of the statements are correct?
Anonymous Quiz
17%
1 and 2 only
28%
1 and 3 only
14%
2 and 3 only
41%
1, 2 and 3
🔥3
Attempt the above MCQs to assess your level of conceptual clarity regarding vaccines.
🥰4❤1
1. Nanomaterials are chemically inert due to their extremely small size. 2. Their properties depend on size and shape at the nanoscale. 3. Quantum effects become significant at the nanoscale. Which of the statements are correct?
Anonymous Quiz
33%
2 and 3 only
17%
1 and 2 only
11%
1 and 3 only
39%
1, 2 and 3
Nanomaterials are characterised primarily by:
Anonymous Quiz
3%
Their chemical composition
89%
Their size is in the range of 1-100 nanometres
5%
Their ability to conduct electricity
2%
Their crystalline structure