1. A gregarious pest is:

 
 
 
 

2. Turner’s syndrome is caused due to the :

 
 
 
 

3. The number of polypeptide chains in human haemoglobin is:

 
 
 
 

4. Blood group with no antibodies in plasma is :

 
 
 
 

5. Synapsis occurs during :

 
 
 
 

6. Which one of the following is not true about bulliform cells ?

 
 
 
 

7. Choose the group which includes haploid parts only:

 
 
 
 

8. Which one of the following is a bacterial disease?

 
 
 
 

9. Choose an example for syncytium from the following:

 
 
 
 

10. Columns of Bertini is associated with:

 
 
 
 

11. Choose the statement which is not true about Bt cotton :

 
 
 
 

12. Which one of the following is not a vector borne disease ?

 
 
 
 

13. Which one of the following is not a modification of stem?

 
 
 
 

14. Which one of the following represents the gametophytic stage of pteridophytes ?

 
 
 
 

15. Eutrophication is:

 
 
 
 

16. Agar is obtained from :

 
 
 
 

17. The fruiting body of Agaricus is :

 
 
 
 

18. Choose the option which includes bisexual organisms only:

 
 
 
 

19. A nucleoside includes:

 
 
 
 

20. ________ attach skeletal muscles to bones.

 
 
 
 

21. Identify the correct statement regarding pineal gland:

 
 
 
 

22. Which one of the following represents wrinkled seed shape and green seed colour?

 
 
 
 

23. Restriction enzymes are isolated from:

 
 
 
 

24. Identify the organelle which is not involved in photorespiration :

 
 
 
 

25. Which one of the following is a single cell protein ?

 
 
 
 

26. Which one of the following is not true about active transport?

 
 
 
 

27. Which one of the following guards the opening between the left atrium and the left ventricle ?

 
 
 
 

28. Which one of the following is not used for the industrial production of acids?

 
 
 
 

29. A chemical which does not cause seed dormancy is :

 
 
 
 

30. Which one of the following is not a phloem fiber?

 
 
 
 

31. The dental formula in human is :

 
 
 
 

32. Which one of the following is not a four carbon compound formed during krebs cycle ?

 
 
 
 

33. Most primitive member of the human race is :

 
 
 
 

34. A plant growth regulator which helps to achieve respiratory climactic during the ripening of fruit is:

 
 
 
 

35. Polytene chromosomes are joined at a point called :

 
 
 
 

36. Choose the correctly matched pair :

 
 
 
 

37. _________ provides nutrition to the male germ cells.

 
 
 
 

38. Which one of the following is an example of mutualism?

 
 
 
 

39. The golden age of reptiles is:

 
 
 
 

40. A mineral element which is a component of nitrogenase is :

 
 
 
 

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