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CBSE Mixed Test Paper 01 CBSE Mixed Test Paper 01 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations held by KVS and other schools. Download Now CBSE Mixed Test Paper 02 CBSE Mixed Test Paper 02 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations held by KVS and other schools. Download Now CBSE Mixed Test Paper 03 CBSE Mixed Test Paper 03 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations held by KVS and other schools. Download Now CBSE Mixed Test Paper 04 CBSE Mixed Test Paper 04 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations

CBSE Mixed Test Paper 01 CBSE Mixed Test Paper 01 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations held by KVS and other schools. Download Now CBSE Mixed Test Paper 02 CBSE Mixed Test Paper 02 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations held by KVS and other schools. Download Now CBSE Mixed Test Paper 03 CBSE Mixed Test Paper 03 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations held by KVS and other schools. Download Now CBSE Mixed Test Paper 04 CBSE Mixed Test Paper 04 for class 12 English Core CBSE 2009-2010 examinations as per the latest prescribed syllabus of CBSE, New Delhi. It contains Unit Test papers and terminal examinations

Biology CLASS X-HEREDITY AND EVOLUTION QUESTIONS: 1.Define heredity. Give example of inherited traits. 2.Why do asexually reproducing organisms show very little variation? 3.ow does creation of variation in a species promote survival? 4.Why did Mendel select pea plant in his experiment? 5.Why is the symbol used for a trait (tall) denoted by two letters such as TT, Tt or tt? 6.Explain the result of Mendel’s monohybrid cross. 7.What experiment would we do to confirm that F2 generation did in fact have a ratio of 1:2:1? 8.What is dihybrid cross? What is the ratio of F2 hybrid? 9.How do traits get expressed? 10.Give example of animals in which sex is not genetically determined. 11.Define evolution, give examples. 12.Differentiate between inherited and acquired traits. 13.Narrate the contribution of Darwin.What is the limitation in his theory? 14.Define speciation. What factors could led to rise of a new species? 15.What is the relationship between classification and evolution? 16.What are