CBSE Class 12 Biology Question Paper 2007

CBSE Class 12 Biology Question Paper 2007 details are given here. This page is about the CBSE Class 12 Biology question paper of the 2007 board examination.

CBSE Class 12 Biology Question Paper 2007 with Solution PDF

CBSE Class 12 Biology Question Paper 2007	Download PDF	Check Solutions

CBSE Class 12 Biology 2007 Question Paper Details

Exam	CBSE Class 12 Board Examination 2007
Subject	Biology
Paper	Question paper

CBSE CLASS XII Questions

1.
Differentiate between active and passive immunity. Write any three differences.

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2.
Work out separate monohybrid crosses up to $F_2$ generation between two pea plants and two Antirrhinum plants, both having contrasting traits with respect to the colour of the flower. Comment on the patterns of inheritance in the crosses carried out in such two cases.

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3.
Briefly explain the events of fertilisation and implantation in an adult human female.

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4.
The process of copying genetic information from template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA.

5.
How does a chromosomal disorder differ from a Mendelian disorder ? Write one example for each.

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6.
Arrange the following hormones in sequence of their secretion in a pregnant woman : hCG; LH; FSH; Relaxin.

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CBSE Class 12 Biology Question Paper 2007

CBSE Class 12 Biology Question Paper 2007 with Solution PDF

CBSE Class 12 Biology 2007 Question Paper Details

CBSE CLASS XII Questions

1.
Differentiate between active and passive immunity. Write any three differences.

2.
Work out separate monohybrid crosses up to $F_2$ generation between two pea plants and two Antirrhinum plants, both having contrasting traits with respect to the colour of the flower. Comment on the patterns of inheritance in the crosses carried out in such two cases.

3.
Briefly explain the events of fertilisation and implantation in an adult human female.

4.
The process of copying genetic information from template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA.

5.
How does a chromosomal disorder differ from a Mendelian disorder ? Write one example for each.

6.
Arrange the following hormones in sequence of their secretion in a pregnant woman : hCG; LH; FSH; Relaxin.

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CBSE Class 12 Biology Question Paper 2007 with Solution PDF

CBSE Class 12 Biology 2007 Question Paper Details

CBSE CLASS XII Questions

1.Differentiate between active and passive immunity. Write any three differences.

2.Work out separate monohybrid crosses up to $F_2$ generation between two pea plants and two Antirrhinum plants, both having contrasting traits with respect to the colour of the flower. Comment on the patterns of inheritance in the crosses carried out in such two cases.

3.Briefly explain the events of fertilisation and implantation in an adult human female.

4.The process of copying genetic information from template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA.

5.How does a chromosomal disorder differ from a Mendelian disorder ? Write one example for each.

6.Arrange the following hormones in sequence of their secretion in a pregnant woman : hCG; LH; FSH; Relaxin.

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1.
Differentiate between active and passive immunity. Write any three differences.

2.
Work out separate monohybrid crosses up to $F_2$ generation between two pea plants and two Antirrhinum plants, both having contrasting traits with respect to the colour of the flower. Comment on the patterns of inheritance in the crosses carried out in such two cases.

3.
Briefly explain the events of fertilisation and implantation in an adult human female.

4.
The process of copying genetic information from template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA.

5.
How does a chromosomal disorder differ from a Mendelian disorder ? Write one example for each.

6.
Arrange the following hormones in sequence of their secretion in a pregnant woman : hCG; LH; FSH; Relaxin.