Read this article in Hindi to learn about the economic importance of arthropoda. प्राणिजगत् के कुल प्राणियों में से लगभग 75% आर्थोपोडा समूह के है । आर्थोपोडा में कुल चार प्रकार के जन्तु-समूहों का समावेश है: 1. वर्ग-क्रस्टेशिया (Crustacea): केकड़े, झिंगे, आदि । 2. वर्ग-मिरिआपोडा (Myriapoda): सेन्टीपीड, मिलीपीड आदि। 3. वर्ग-इन्सेक्टा (Insecta): कॉकरोच, मच्छर, मक्खी, खटमल, जूं, मधुमक्खी, रेशम एवं [...]
In this article we will discuss about:- 1. The Electron Micrograph of Mitochondria 2. The Electron Micrograph of Golgi Complex 3. The Electron Micrograph of Endoplasmic Reticulum 4. The Electron Micrograph of Lysosomes 5. The Electron Micrograph of Plastids 6. The Electron Micrograph of Nucleus. Contents: The Electron Micrograph of Mitochondria The Electron Micrograph of Golgi Complex The Electron Micrograph [...]
The following points highlight the two main types of meiotic division. The types are: 1. The First Meiotic Division or Heterotypic Division 2. The Second Meiotic Division or Homeoptypic Division. Type # 1. The First Meiotic Division or Heterotypic Division: i. First Prophase Stage: This stage is divided into following stages: (a) Leptotene sub stage: The slide shows the first [...]