CBSE board exams 2026: Quick notes, sample questions for 'Heredity' in class 10 science (biology)

The topic of 'Heredity' in Class 10 Science (Biology) is an important part of the Science subject and can be that one chapter ...
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Winter Solstice 2025: Why December 21 Is the Shortest Day of the Year

Winter Solstice 2025 falls on December 21, marking the shortest day and longest night in the Northern Hemisphere. Learn why ...