PM ShikSha MiTra

  Questions: What did the author find in a junk shop? What did he find in a secret drawer? Who do you think had put it in there? Answers: The author found a roll-top desk for sale in a junk shop. It was made of oak wood, but it was in a veiy bad condition. In the secret drawer of the desk, the author found a small tin box. It had a letter in it. I think the owner of the roll-top desk might have put it there. Comprehension Check (Page 14) Questions: Who had written the letter, to whom, and when? Why was the letter written — what was the wonderful thing that had happened? What jobs did Hans Wolf and Jim Macpherson have when they were not soldiers? Had Hans Wolf ever been to Dorset? Why did he say he knew it? Do you think Jim Macpherson came back from the war? How do you know this? Answers: John Macpherson, a captain in the British army, had written that letter, dated Dec. 26, 1914, to his wife Connie. The letter described a wonderful event. The two armies-the British and the Ger­man—...

कोयला और पेट्रोलियम Class 8 Science Chapter 3 hindi medium प्राकृतिक संसाधन - वे संसाधन जो हमेंप्रकृति सेमिलते हैंउन्हेंहम प्राकृतिक संसाधन कहतेहैं।  प्राकृतिक   संसाधन मुख्यतः दो प्रकार के होतेहैं। 1. अक्षय प्राकृतिक संसाधन – यह प्राकृतिक संसाधन असीमित मात्रा मेंहैऔर कभी खत्म नहींहोंगे। उदाहरण:- सूर्यका प्रकाश, वायु। 2. समाप्त होने वाले प्राकृतिक संसाधन – यह प्राकृतिक संसाधन निरंतर प्रयोग सेखत्म हो जाएंगे। उदाहरण:- कोयला, पेट्रोलियम, खनिज लवण, प्राकृतिक गैस। कोयला — कोयला पत्थर जैसा कठोर और कालेरंग का होता है। इसका प्रयोग खाना बनाने मेंप्रयोग होनेवालेईंधन के रूप में किया जाता है शुरुआती दौर में इससे रेल के इंजन चलाए जाते थे। कोयले का उपयोग विद्युत बनाने हेतु भी किया जाता है। कोयले की कहानी — आज सेलाखोंकरोड़ों साल पहलेपृथ्वी पर एक उल्का गिरने सेसभी जीव जंतुऔर पेड़ पौधेखत्म हो गए। समय बीतनेके साथ वह नीचेदबतेचलेगए। अधिक दबाव होनेकी वजह सेसारेपेड़ पौधेकोयले मेंपरिवर्तित हो गए। पेड़ पौधोंसेकोयले मेंपरिवर्तन होनेकी प्रक्रिया को कार्बनीकरण कहतेहैं। कोयले के उत्पाद— कोयलेको गर्मपर ...

  Coal and Petroleum Class 8 Notes Science Chapter 3 (old chapter -5 ) Natural Resources:  The resources, that are obtained from nature are called natural resources, for example, air, water, soil and minerals. Inexhaustible Natural Resources:  The resources, that are present in unlimited quantity in nature, and cannot be exhausted by human activities, for example, air, sunlight etc. Exhaustible Natural Resources:  The resources, that are present in limited quantity in nature, and can be exhausted by human activities, for example, coal, petroleum, minerals, forests etc. Fossil:  The remains of the part of plants or animals transformed over time, is called fossil. Some exhaustible natural resources from the dead remains of living organisms are known as fossil fuels, for example, coal, petroleum and natural gas. Coal is a fossil fuel, that was formed by the decay of vegetation, which existed millions of years ago. It is a non-crystalline form of carbo...

 Gamble Coercion Plumpness Holy Breach(breach of law) Exception  Except Accept Youngest Eldest  Land Liability hounds Pilgrims

Crop Production and Management All living organisms require food. The energy from food is utilised by an organism for carrying out its various life processes such as digestion, respiration and excretion. Plants can make their food themselves but animals including humans cannot. We get our food from plants or animals, or both. In our country three categories of crops are grown: Kharif Crops: The crops which are grown in the rainy season (i.e., from June to September) are called Kharif crops. Paddy, maize, soybean, groundnut, and cotton are Kharif crops. Rabi Crops: The crops are grown in the winter season (i.e., from October to March) are called rabi crops. Examples of rabi crops are wheat, gram, pea, mustard, and linseed. Zaid Crops (or Summer Crops): The crops grown in the summer season are ( called zaid crops. Moong, muskmelon, watermelon, cucumber, gourd and bitter gourd are examples of zaid crops. Cultivation of crops involves the following activities: Soil Preparation:  It inv...