New ! Biology MCQ Practise Tests

12th Standard English Medium Biology Reduced Syllabus Creative Three mark Question with Answer key - 2021(Public Exam)

12th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Biology

Time : 02:30:00 Hrs
Total Marks : 75

    Part A

    25 x 3 = 75
  1. Differentiate exogenous and endogenous budding.

  2. How does budding occurs is hydra?

  3. What is Incomplete parthenogenesis? Explain with example.

  4. What is the function of Sertoli cells?

  5. What are Braxter-Hick's contractions?

  6. Write any three statements on Sertoli cells

  7. Explain Foetal-ejection reflex

  8. What is Cryopreservation?

  9. Name anyone (a) fungal STI (b) Bacterial STI (c) Protozoan STI

  10. Females are carriers of Haemophilia. Give Reason.

  11. What is euthenics?

  12. What is a genetic disorder? Mention its types?

  13. Define a operon.

  14. Chemically DNA is more stable than RNA- Justify.

  15. What is artificial selection?

  16. What is microevolution?

  17. Draw and label the parts of Entamoeba histolytica.

  18. What is SCP?

  19. Differentiate between Prebiotics and Probiotics

  20. One can notice large holes in Swiss cheese. Which bacterium is responsible for these holes. What are these holes due to?

  21. Whether .PCR is applicable for RNA molecules? Explain

  22. What is phototropism?

  23. Point out the human activities that threatens biodiversity.

  24. How Ozone depletion can be controlled?

  25. Define co-dominance. How it is proved by using Gossypium species?

*****************************************

TN 12th Standard Biology free Online practice tests

Reviews & Comments about 12th Standard English Medium Biology Reduced Syllabus Creative Three mark Question with Answer key - 2021(Public Exam)

Write your Comment