Read this article in Hindi to learn about the three main steps involved in scientific method for the study of living beings. The steps are: 1. Observations & Identification of Problem 2. Hypothesis 3. Experiment. आप जानते हैं कि वैज्ञानिक-पद्धति द्वारा अध्ययन विभिन्न क्रमिक पदों के अन्तर्गत होता है । ये विभिन्न पद हैं- अवलोकन, […]
Scientific Method in the Study of Living Beings | Hindi | Biology
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Pollution Related Diseases | Hindi | Diseases | Biology
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Read this article in Hindi to learn about the pollution related diseases. प्रदूषण आज की प्रमुख समस्या है । प्रदूषण से पेड़-पौधों एवं जन्तुओं को अनेक रोग होते हैं । आप अपने क्षेत्र में जल, वायु एवं मृदा प्रदूषण से होने वाले प्रभावों का अवलोकन करें । यदि आपके गाँव/शहर में या आसपास कोई कारखाना […]
Preparation of Animal Tissue Slide | Hindi | Practical | Biology
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Read this article in Hindi to learn about the preparation of animal tissue slide. जन्तु-ऊतकों अध्ययन जीवित जन्तु के मटेरियल से करना बेहतर होता है किन्तु कुछ गतिविधि जैसे पेशी-तन्तु एवं तंत्रिका- कोशिका परिरक्षित जन्तु से भी किया जा सकता है । यहाँ आपको शल्काभ एपीथीलियम, मेंढक या मानव-रक्त, पेशी-तन्तु एवं तंत्रिका-कोशिका के अध्ययन हेतु […]
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