Explanation

• An Erograph is a diagram used in agriculture.
• It shows the relationship between crops and their growing seasons.
• It represents sowing, growing, and harvesting periods in a year.
• Helps in understanding cropping patterns and agricultural planning.

Last verified on 01-05-2026

Explanation

• Lake Baikal is the world’s deepest freshwater lake.
• Its water flows out through the Angara River.
• The Angara River is a tributary of the Yenisei River.
• Therefore, Lake Baikal ultimately drains into the Yenisei system.
• It is often called an “inland sea” due to its huge size.

Last verified on 01-05-2026

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 Strait of Hormuz is a narrow waterway
•  The countries located on the opposite side to Iran (the southern side) are:
• Oman: Specifically, the Musandam Governorate (an exclave).
• United Arab Emirates (UAE): A portion of the southwest peninsula.
• Link the Persian Gulf to the Gulf of Oman and the Arabian Sea.
• 33 km wide at its narrowest point.

Additional information:

• The Strait of Bosporus connects the Black Sea with the Sea of Marmara
• Start of Gibraltar connects the Atlantic Ocean to the Mediterranean Sea

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Last updated by NS on 01 MAY 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