CBSE Class 12 Biology Question Paper 2003

CBSE Class 12 Biology Question Paper 2003 details are given here. This page is about the CBSE Class 12 Biology question paper of the 2003 board examination.

CBSE Class 12 Biology Question Paper 2003 with Solution PDF

CBSE Class 12 Biology Question Paper 2003	Download PDF	Check Solutions

CBSE Class 12 Biology 2003 Question Paper Details

Exam	CBSE Class 12 Board Examination 2003
Subject	Biology
Paper	Question paper

CBSE CLASS XII Questions

1.
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.

View Solution

2.
Draw the structure of an antibody molecule and label any four of its parts.

View Solution

3.
(I) Write the scientific names of the two species of filarial worms causing filariasis.
(II) How do they affect the body of infected persons ?
(III) How does the disease spread ?

View Solution

4.
Explain the different organizational levels of biodiversity at the genetic, species, and ecological levels, providing a suitable example for each category.

View Solution

5.
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.

CBSE Class 12 Biology Question Paper 2003

CBSE Class 12 Biology Question Paper 2003 with Solution PDF

CBSE Class 12 Biology 2003 Question Paper Details

CBSE CLASS XII Questions

1.
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.

2.
Draw the structure of an antibody molecule and label any four of its parts.

3.
(I) Write the scientific names of the two species of filarial worms causing filariasis.
(II) How do they affect the body of infected persons ?
(III) How does the disease spread ?

4.
Explain the different organizational levels of biodiversity at the genetic, species, and ecological levels, providing a suitable example for each category.

5.
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.

6.
Study the given chart showing evolution of plants. Answer the following questions :

Comments

SUBSCRIBE TO OUR NEWS LETTER

CBSE Class 12 Biology Question Paper 2003 with Solution PDF

CBSE Class 12 Biology 2003 Question Paper Details

CBSE CLASS XII Questions

1.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.

2.Draw the structure of an antibody molecule and label any four of its parts.

3.(I) Write the scientific names of the two species of filarial worms causing filariasis. (II) How do they affect the body of infected persons ? (III) How does the disease spread ?

4.Explain the different organizational levels of biodiversity at the genetic, species, and ecological levels, providing a suitable example for each category.

5.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.

6.Study the given chart showing evolution of plants. Answer the following questions :

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
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.

2.
Draw the structure of an antibody molecule and label any four of its parts.

3.
(I) Write the scientific names of the two species of filarial worms causing filariasis.
(II) How do they affect the body of infected persons ?
(III) How does the disease spread ?

4.
Explain the different organizational levels of biodiversity at the genetic, species, and ecological levels, providing a suitable example for each category.

5.
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.

6.
Study the given chart showing evolution of plants. Answer the following questions :