75607 + Interview Questions in Secondary School in Science Page 24 InterviewSolution

1151.	वर्णन किजिए ,मृत वनस्पति से कोयला किस प्रकार बनता है? यह प्रक्रम क्या कहलाता है ?
Answer» ANSWER: उच्च ताप व उच्च दाब के कारण पृथ्वी के अन्दर मृत पेड़-पौधे धीरे-धीरे कोयले में परिवर्तित हो जाते हैं। कोयले में मुख्य रूप से कार्बन होता है। यह प्रक्रम कार्बनीकरण कहलाता है। Explanation: लगभग 30 करोड़ वर्ष पूर्व पृथ्वी घने जंगल, कच्छ क्षेत्रों और जलधाराओं से तर थी। वनस्पति समूहों की जल में गिरकर मृत्यु हो गई जो बाद में मिट्टी के तहो के नीचे दबते चले गए। उनके ऊपर मिट्टी के जमा होने और उनका तापमान बढ़ने से वे संकुचित हो गए और गहरे डूब गए। उच्च तापमान और दबाव के कारण, धीरे-धीरे मृत वनस्पति कोयले में बदल गई। इस प्रक्रम को होने में करोड़ों वर्ष लगते हैं।

1151.

वर्णन किजिए ,मृत वनस्पति से कोयला किस प्रकार बनता है? यह प्रक्रम क्या कहलाता है ?

Answer»

उच्च ताप व उच्च दाब के कारण पृथ्वी के अन्दर मृत पेड़-पौधे धीरे-धीरे कोयले में परिवर्तित हो जाते हैं। कोयले में मुख्य रूप से कार्बन होता है। यह प्रक्रम कार्बनीकरण कहलाता है।

Explanation:

लगभग 30 करोड़ वर्ष पूर्व पृथ्वी घने जंगल, कच्छ क्षेत्रों और जलधाराओं से तर थी। वनस्पति समूहों की जल में गिरकर मृत्यु हो गई जो बाद में मिट्टी के तहो के नीचे दबते चले गए। उनके ऊपर मिट्टी के जमा होने और उनका तापमान बढ़ने से वे संकुचित हो गए और गहरे डूब गए। उच्च तापमान और दबाव के कारण, धीरे-धीरे मृत वनस्पति कोयले में बदल गई।

इस प्रक्रम को होने में करोड़ों वर्ष लगते हैं।

1154.	पाण्यात उठणारे तरंग म्हणजे काय
Answer» भौतिकशास्त्र, गणित आणि संबंधित क्षेत्रांमध्ये, एक तरंग म्हणजे एका किंवा अधिक क्षेत्राचा त्रास होतो जसे की स्थिर संतुलन मूल्याबद्दल क्षेत्र वारंवार दोलायनाला महत्त्व देते.

1168.	Q.3. What happens to the glucose that enters the nephric filtrate from blood?
Answer» Glucose along with FILTRATE runs down through the long renal tubule by the action of CILIA. Glucose, amino acids, salts, etc., are reabsorbed by the tubular CELLS and then secreted into the capillary BLOOD cells by diffusion.

1181.	What is Hypertension?????????
Answer» HIGH blood PRESSURE (hypertension) is a common condition in which the long-term force of the blood against your artery walls is high enough that it MAY eventually CAUSE health problems, such as heart DISEASE.

1194.	Diagram of sepetation of dyes from ink
Answer» Chromatography is a method of separating out MATERIALS from a MIXTURE. Ink is a mixture of several dyes and therefore we can separate those colors from ONE another using chromatography. When ink is exposed to certain SOLVENTS the colors dissolve and can be seperated out.

1197.	अभिकीरिया में कोनसा पदार्थ अपचयित हो रहा है zno+c= zn+co
Answer» ZN is REDUCED and C is oxidised

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