CBSE Class 12th Biology Practice Paper Term-1 2014

Here you can find the Practice Paper for CBSE Class 12 Biology Term 1 Examination. The Practice Paper is syllabus oriented and strictly follows the Marking scheme.

Sep 6, 2014 18:48 IST

Find CBSE Class 12 Biology Practice Papers Term -1 2014. It has been framed keeping the Students' perspective in mind. This will help the Students by enhancing their answering capabilities with an easy and simple understanding of the concept and technique employed in solving this Practice Paper as per the CBSE Marking Scheme.

Q. What is the difference between a test cross and back cross?

Q. A recombinant vector with a gene of interest inserted within the gene of α-galactosidase enzyme, is introduced into a bacterium. Explain the method that would help in selection of recombinant colonies from non-recombinant ones.

Q. What are Cry proteins? Name the organism that produces them.How has man exploited these proteins for his benefit?

Q. Name the parasite that causes ascariasites. Mention the diagnostic symtoms of the disease. How is this disease transmitted to others?

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