Environment & Ecology, 7th Edition, from the Prelims Practice Series (PPS) by Drishti IAS (दृष्टि), is an English medium practice book on Environment (पर्यावरण) and Ecology (पारिस्थितिकी). The book is written in English; it is not the Hindi medium edition. It contains 1250+ practice questions with detailed explanations (विस्तृत व्याख्या सहित अभ्यास प्रश्न). As the cover describes it, the book is a compilation of previous years' questions (विगत वर्षों के प्रश्न) and practice questions for IAS, PCS, CAPF, CDS, NDA and other competitive examinations. Environment and ecology is one of the most important areas of UPSC Prelims, with a significant number of questions every year on biodiversity, protected areas, climate change, pollution, and environmental conventions and organisations. Solving a large number of quality MCQs, and reading the explanations, helps candidates strengthen their concepts, learn the common traps in options, and improve both speed and accuracy. The book is the 4th part of Drishti's 7-book Prelims Practice Series. Key Features: English medium: written in English (not Hindi medium) 1250+ practice questions on Environment and Ecology Detailed explanations for every question Compilation of previous years' and practice questions Part of Drishti's Prelims Practice Series (4th of 7 books) For UPSC (IAS) Prelims, State PCS, CAPF, CDS, NDA and other competitive exams 7th Edition Published by Drishti IAS यह पुस्तक "एनवायरनमेंट एंड इकोलॉजी" (पर्यावरण एवं पारिस्थितिकी), सातवाँ संस्करण, दृष्टि IAS (Drishti IAS) की प्रीलिम्स प्रैक्टिस सीरीज़ (7 पुस्तकों की श्रृंखला का चौथा भाग) से है। यह अंग्रेजी माध्यम (English Medium) में है; यह हिंदी माध्यम का संस्करण नहीं है। इसमें विगत वर्षों एवं अभ्यास के 1250+ प्रश्न विस्तृत व्याख्या सहित दिए गए हैं। यह पुस्तक IAS (UPSC प्रारंभिक परीक्षा), राज्य PCS, CAPF, CDS, NDA एवं अन्य प्रतियोगी परीक्षाओं की तैयारी हेतु अत्यंत उपयोगी है।