CBSE Class 12 Biology Solved Question Paper 2014 | Previous Year Papers | Zigya

Subject

Biology

Class

CBSE Class 12

Pre Boards

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Sample Papers

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 Multiple Choice QuestionsShort Answer Type

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1.

Name the part of the flower which the tassels of the corn-cob represent.

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2.

Mention any two contrasting traits with respect to seeds in pea plant that were studied by Mendel.

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3.

Why is secondary immune response more intense than the primary immune response in human?

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4.

Why is it not possible for an alien DNA to become part of a chromosome anywhere along its length and replicate normally?

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5.

State the role of C-peptide in human insulin.

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6.

Name the enzymes that are used for the isolation of DNA from bacterial and fungal cells for recombinant DNA technology.

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7.

State Gause's Competitive Exclusion Principle.

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8.

Name the type of association that the genus Glomus exhibits with higher plants.

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9.

Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.

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10.

In Snapdragon, A cross between true breeding red flower (RR) plants and true breeding white flower (rr) plants showed a Progeny of plants with all pink flowers.

(a)The appearance of pink flowers is not known as blending. Why?(b)What is the phenomenon known as?

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