विज्ञान
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फसल उत्पादन एवं प्रबंध
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सूक्ष्मजीव :मित्र एवं शत्रु
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संश्लेषित रेशे और प्लास्टिक
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पदार्थ:धातु और अधातु
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कोयला और पेट्रोलियम
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दहन और ज्वाला
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पौधे एवं जन्तुओ का संरक्षण
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कोशिका -संरचना एवं प्रकार्य
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जन्तुओ में जनन
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किशोरावस्था की ओर
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बल तथा दाब
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घर्षण
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ध्वनि
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विधुत धारा के रासायनिक प्रभाव
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कुछ प्राकृतिक परिघटनाएँ
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प्रकाश
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तारे एवं सौर परिवार
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वायु तथा जल का प्रदूषण
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