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#1
16th November 2019, 09:03 AM
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 CBSE board 12th Science compartment Exam Question Papers   |
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#2
16th November 2019, 10:05 AM
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| Re: CBSE board 12th Science compartment Exam Question Papers The previous year Class 12 Biology Compartment Question Paper of CBSE (Central Board of Secondary Education) is as follows: SECTION -A 1. Write one advantage and one disadvantage of cleistogamy to flowering plants. 2. Name one amino acid, which is coded by only one codon. 3. Write the sex of a human having XXY chromosomes with 22 pairs of autosomes. Name the disorder this human suffers from. 4. How do monocytes act as a cellular barrier in humans to provide innate immunity ? 5. Why do DNA fragments move towards the anode during gel electrophoresis ? SECTION - B 6. (a) Why do organisms like algae and fungi shift from asexual mode of reproduction to sexual mode? (b) What is a juvenile phase in organisms 7. A hemophilic father can never pass the gene for hemophilia to his son. Explain. Class 12 Biology Compartment Question Paper of CBSE      |
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