New ! Biology MCQ Practise Tests



Sample 5 Mark Book Back Questions (New Syllabus 2020)

12th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Biology

Time : 01:00:00 Hrs
Total Marks : 115

    Part A

    23 x 5 = 115
  1. Differentiate between the following:
    (a) Binary fission in amoeba and multiple fission in Plasmodium
    (b) Budding in yeast and budding in Hydra
    (c) Regeneration in lizard and Planaria

  2. The following is the illustration of the sequence of ovarian events (a-i) in a human female.

    a) Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
    b) Name the ovarian hormone and the pituitary hormone that have caused the above-mentioned events.
    c) Explain the changes that occurs in the uterus simultaneously in anticipation.
    d) Write the difference between C and H.

  3. Open Book Assessment
    ‘Healthy reproduction, legally checked birth control measures and proper family planning programmes are essential for the survival of mankind’ Justify

  4. What is extra chromosomal inheritance? 

  5. It is established that RNA is the first genetic material. Justify giving reasons.

  6. How does Neanderthal man differ from the modern man in appearance?

  7. List the common withdrawal symptoms of drugs and alcohol abuse.

  8. Write short notes on the following.
    a) Brewer's yeast
    b) Ideonella sakaiensis
    c) Microbial fuel cells

  9. Explain the steps involved in the production of recombinant hGH

  10. Describe Population Age Distribution

  11. Alien species invasion is a threat to endemic species – substantiate this statement.

  12. Describe how deforestation might contribute to global warming

  13. Distinguish tenuinucellate and crassinucellate ovules.

  14. Differentiate continuous variation with discontinuous variation.

  15. Draw the diagram of different types of aneuploidy.

  16. Compare the various types of Blotting techniques

  17. Give an account on Cryopreservation.

  18. What are the advantages of seed dispersal?

  19. Draw a pyramid from following details and explain in brief.
    Quantities of organisms are given-Hawks - 50, plants - 1000.rabbit and mouse - 250 + 250, pythons and lizard - 100 + 50 respectively.

  20. What are the effects of deforestation and benefits of agroforesty?

  21. List out the new breeding techniques involved in developing new traits in plant breeding.

  22. Write the economic importance of rice.

  23. A person is infected by HIV. How will you diagnose for AIDS?

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

Reviews & Comments about 12th Standard Biology English Medium Sample 5 Mark Book Back Questions (New Syllabus 2020)

Write your Comment