Explanation

The Danube River flows through 7 European countries.

1. Germany
2. Austria
3. Slovakia
4. Hungary
5. Croatia
6. Serbia
7. Romania

It is the second-longest river in Europe after the Volga.

• It passes through major cities like Vienna, Budapest, and Belgrade.
• It ultimately drains into the Black Sea.

Last verified on 01-05-2026

Explanation

• The Kuroshio Current is a warm ocean current in the Pacific Ocean.
• It flows northward along the eastern coasts of Asia.
• It is also called the Japan Current.
• It raises temperature and affects climate of nearby regions.
• It is similar to the Gulf Stream in the Atlantic Ocean.

Last verified on 01-05-2026

Explanation

• A seamount is a submarine volcanic mountain rising more than 1000 meters above the ocean floor.
• It is formed by volcanic activity under the sea.
• Most seamounts do not reach the ocean surface.
• If flattened at the top, it may become a guyot.
• They are common in the Pacific Ocean basin.

Last verified on 01-05-2026

Explanation

• Quaid-e-Azam Muhammad Ali Jinnah joined
• The All India Muslim League joined in: 1913 until 1947
• Age: He was 37 years old.
• Indian National Congress in 1906 and left in 1920.

Additional information

The All India Muslim League was founded in 1906, with its first session held in Karachi in 1907.

In 1927, the League was divided over the issue of joint electorates.

Last updated on 06-March-2026

Explanation

• 2025 Nobel Prize in Literature László Krasznahorkai (Nationality:  Hungarian )
• Purpose: for his compelling and visionary oeuvre that, in the midst of apocalyptic terror, reaffirms the power of art
• Date: 9 October 2025(announcement) 10 December 2025 (ceremony)
• Location: Stockholm, Sweden
• Presented by: Swedish Academy
• First award: 1901

Additional Information 

• About the Nobel Literature Prize 2024
• Winner: Han Kang
• Nationality:  South Korean 
• Purpose: For her intense poetic prose that confronts historical traumas and exposes the fragility of human life.

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Last updated by NS on 01 MAY 2026

Explanation

• Isohypses are lines joining equal points of altitude.
• They are used to show height above sea level on maps.
• Also called contour lines.
• Help in understanding relief and terrain shape.
• Common in topographic maps.

Last verified on 01-05-2026

Explanation

• A thematic map shows a specific theme or subject.
• It focuses on one type of information like population, climate, or resources.
• It is a type of special purpose map.

Last verified on 01-05-2026

Explanation

• Ozone (O₃) is mainly found in the Stratosphere, called the ozone layer.
• It absorbs harmful ultraviolet (UV) radiation from the sun, protecting life on Earth.
• Located roughly 15–35 km above the Earth’s surface.

Last verified on 17-01-2026

Explanation

• The stratosphere is heated mainly by ozone.
• Ozone layer absorbs harmful ultraviolet (UV) radiation from the Sun.
• This absorption converts solar energy into heat.
• It causes warming in the stratosphere instead of cooling.
• This layer protects Earth from dangerous UV rays.

Last verified on 01-05-2026

Explanation

• Hydrogen (H2) and Argon is not a greenhouse gas.
• Greenhouse gases are gases that trap heat in Earth’s atmosphere and cause the Greenhouse Effect.

The main greenhouse gases are:

• Carbon dioxide (CO2)
• Methane (CH4)
• Nitrous oxide (N2O)
• Water vapor (H2O)
• Ozone (O3)
• Chlorofluorocarbons (CFCs)
• Hydrofluorocarbons (HFCs)
• Perfluorocarbons (PFCs)

Last verified on 01-05-2026