Gujarat Board Class 11 Biology Sample Papers 2007

Sample Paper – 2007
Class – XI
Biology


1.Q. 1 to 5 carries 1 mark each.
2.Q.6 to 12 carries 2 marks each.
3.Q.13 to 24 carries 3 marks each.
4.Q.25 to 27 carries 5 marks each       

1.What is Down’s syndrome.

2.What is walking fern.

3.What is cell fractanation.

4.What is endosperm   
OR   
What is oncogenesis.

5.What is cell theory.

6.What is test cross.

7.What is cloning     
OR    
Draw reproductive organs of rat.

8.Write principle of DNA fingerprinting.

9.Draw body plan of mollusc.

10.Write all taxonomic hierarchies.

11.Mention the two laws of thermodynamics.

12.Write significance of mitosis.

13.Mention properties of enzymes.

14.Write merits and demerits of Benthem and Hooker’s classification.

15.Distinguish between cyton and axon.

16.Explain epistasis   
OR  
Distinguish between prokaryotic and eukaryotic cell.

17.Draw T.S. of typical monocot root.

18.Explain genetic disorders     
OR    
Explain vestigal organs.

19.Explain genetic engineering.

20.What is competitive inhibition  
OR  
Draw a compound microscope.

21.Explain Hershley and Chase experiment.

22.What is chiasmata describe its significance.

23.How is sex determined in humans.

24.Explain phyllotaxy and heterophylly.

25.Explain an earthworm    
OR    
Describe modifications of roots.

26.Explain biosynthesis of proteins.

27.Describe class aves and reptilia  
OR  
Describe complex tissues.