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Women athletes engaged in a competitive field hockey match, highlighting teamwork, skill, and the growing presence of women in sports. If you are a sports enthusiast and especially love team sports , knowing about field hockey is a must. The sport is popular not only in India but all over the world. It is a great combination of teamwork, strategy , and fitness . India has a deep connection with hockey —it has been a part of our proud Olympic history . In this article, you will find complete information about the history, rules, techniques, players, training , and career opportunities of field hockey. Rules and Guidelines for Hockey Rule / Guideline Short Description Team Size Each team has 11 players, including one goalkeeper . Match Duration A standard game lasts 60 minutes, split into 4 quarters. Stick Use Players c...

Aquarium animals, fish, and plants create balanced miniature ecosystems inside glass tanks. They help learners understand biodiversity , water chemistry , filtration, and ecological interactions. Properly maintained aquariums support healthy aquatic life, showcasing the importance of clean water, oxygen exchange , natural behaviours, and habitat enrichment in controlled environments. Aquariums offer a close view of aquatic species, demonstrating ecological relationships , nutrient cycles , and energy transfer . They promote environmental awareness, responsible care, and scientific thinking. From colourful fish to oxygen-producing plants, aquariums teach how balanced ecosystems depend on suitable habitat conditions, clean water, compatible species, and stable biological processes. How  " Aquarium Animals, Fish & Plants" Is Useful for UPSC & Other Exams Aquarium ecosystems help UPSC aspirants understand ecology, biodiversity, food chains, water quality, biotic–ab...

Wildlife tourism allows people to observe animals in their natural habitats while supporting conservation and local economies. Across the world, national parks, reserves, and ecological safaris attract travellers interested in biodiversity and sustainable experiences. When managed responsibly, wildlife tourism becomes a tool that spreads awareness and safeguards vulnerable species and landscapes. India is among the world’s richest countries in wildlife tourism, featuring diverse ecosystems such as rainforests , deserts , grasslands , and the Himalayas . Destinations like Jim Corbett , Kaziranga , and Gir National Parks attract global visitors. Responsible tourism supports conservation projects, promotes rural employment, and highlights the country’s ecological and cultural heritage. How Wildlife tourism is useful for UPSC Wildlife tourism is useful for UPSC because it links environment, economy, governance, conservation policies, and sustainable development. Topi...