RAJINIKANTH, AIR 587 CSE 2023.
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Q. Which of the following statements regarding pigeons in India is wrong?

1) The Rock Pigeon is native to India and has proliferated in urban areas largely by exploiting human-modified habitats.

2) Pigeons generally form monogamous pairs during the breeding season.

3) Pigeons are legally classified as invasive alien species under Indian wildlife and environmental laws.

4) Pigeon droppings contain uric acid, which can contribute to the deterioration of buildings and monuments..
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UPSC will ask these kinds of themes or topics which are observed in our day to day life and have a huge impact on society and human beings.
So stop reading random content and focus on such themes in all subjects.
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It is neither me nor anyone else who will guide you for Prelims.
Since there is no clearly defined syllabus for Prelims, it is the previous years’ questions and recurring themes that tell you what kind of content you should read. The better you understand them, the more efficiently you can study saving time and allowing for more revisions.
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Consider the following statements:

1. The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
2. The Bosphorus Strait connects the Black Sea and the Sea of Marmara.
3. The Dardanelles connects the Sea of Marmara and the Mediterranean Sea.
4. The Strait of Kerch connects the Caspian Sea and the Black Sea.

How many of the statements given above are correct?
A. Only one
B. Only two
C. Only three
D. All four
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My Experiences and thoughts.

Things often seem wrong not because they are immoral, but because we are excluded and gain nothing from them.
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Oppose any book that says people are not equal.
Oppose any religion that says one god is greater than another.
Oppose any culture that says men and women are not equal.
People are born different.

Some are short, some are tall.
Some are black, some are white.
Some are thin, some are fat.
Some are men, some are women.
Some have disabilities, some don’t.

These are just differences.
They don’t make anyone better than anyone else.
No one is superior to another person for any reason.
Everyone deserves equal respect.
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RAJINIKANTH, AIR 587 CSE 2023.
Consider the following statements: 1. The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea. 2. The Bosphorus Strait connects the Black Sea and the Sea of Marmara. 3. The Dardanelles connects the Sea of Marmara and the Mediterranean…
Answer : C only three

Statement 1: Correct
The Strait of Gibraltar lies between Spain and Morocco and acts as the narrow passage linking the Atlantic Ocean to the Mediterranean Sea, making it a major global maritime chokepoint.

Statement 2: Correct
The Bosphorus Strait, located in Turkey, connects the Black Sea with the Sea of Marmara and also forms a natural boundary between Europe and Asia.

Statement 3: Correct
The Dardanelles Strait connects the Sea of Marmara to the Aegean Sea, which is an arm of the Mediterranean Sea, thus providing the Black Sea region access to the Mediterranean.

Statement 4: Incorrect
The Strait of Kerch connects the Sea of Azov with the Black Sea. The Caspian Sea is a landlocked inland sea and has no natural strait connecting it to any ocean.

Correct answer: C. Only three
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Atlas
Try to take two days and go through the Continent wise maps
It is necessary for any aspirant or officer to have a great understanding of Geographical locations and Maps.
Already I have posted important themes and areas related to maps.
So go through that and finish Mapping in Atlas
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Rare Earth Magnets
• Definition: Strong permanent magnets made from rare earth elements like Neodymium and Samarium.
• Types:
1. Neodymium–Iron–Boron (NdFeB) – strongest
2. Samarium–Cobalt (SmCo) – heat-resistant
• Uses: EV motors, wind turbines, electronics, defence systems, MRI machines.
• Importance: Critical for energy transition, advanced technology, and national security.
• Global dominance: China controls most mining and processing.
• India: Large reserves but limited magnet manufacturing capacity.
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Failures and unexpected things after so much hardwork can give a lot of pain....it may bring tears but never give up in life....move forward with courage...one day that courage will help you become stronger than before.
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This question if from 2024 CSAT . There are many such easy to moderate questions which can be solved through practice. Try to do repeated practice of last 5-6 years CSAT pyqs then it will be easy for you to clear CSAT. If you do random maths or reasoning outside then it may not help much. You can watch CSAT pyq maths solutions videos on YouTube. It can be of any institution, Doesn’t matter.
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UPSC CAPF NOTIFICATION 2026.pdf
1.4 MB
This is also a good exam which you can give along with civils preparation
Many questions come from Ncert books directly.
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One more thing I don’t want anyone to follow me blindly.
Whenever I post something or offer a suggestion or advice, please cross-verify it and question yourself whether it is right or wrong before accepting it.
As Lord Buddha said, accept something only if it agrees with your own logic and reasoning.
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Before jumping into current affairs, make sure you have completed the PYQ-based static content of all Prelims subjects.
First, build a strong command over themes repeatedly asked in previous years’ questions.
Aim to reach a stage where any question from static portions feels answerable with confidence.

For example, in Economy, questions often come from areas like RBI, capital markets, and institutions such as the IMF.
In Science & Technology, topics like genetics, chemicals or elements in news, and electric vehicles technology are frequently asked.
In Environment, themes such as carbon markets, plastics, species, and conservation keep repeating.

Once these PYQ-based static areas are clear, move to current affairs in a smart and selective way.
Current affairs should add value to your static foundation, not replace it.
Reading too much current content without a strong static base only scatters focus, time and Energy.

1) Build your base first.
2) Strengthen your fundamentals.
3) Then let current affairs work in your favour.
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Which of the following correctly differentiates lithium-ion batteries from sodium-ion batteries?

A. Sodium-ion batteries have higher energy density

B. Sodium-ion batteries rely on rarer raw materials

C. Sodium-ion batteries offer lower cost and better resource availability

D. Sodium-ion batteries are unsuitable for stationary storage
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RAJINIKANTH, AIR 587 CSE 2023.
This question if from 2024 CSAT . There are many such easy to moderate questions which can be solved through practice. Try to do repeated practice of last 5-6 years CSAT pyqs then it will be easy for you to clear CSAT. If you do random maths or reasoning outside…
Solution:
Assign alphabetical positions:
A=1, B=2, C=3, D=4
⇒ 24
E=5, F=6, G=7, H=8
⇒ 1680
So the pattern is: product of the alphabetical positions.
Now for IJKL:
I=9, J=10, K=11, L=12
⇒ 11880
✅ Correct answer: (a) 11880
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