" /> -->

Botany - Classical Genetics - Two Marks Study Materials

12th Standard EM

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Biology

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Name the seven contrasting traits of Mendel.

  2. What is meant by true breeding or pure breeding lines / strain?

  3. Give the names of the scientists who rediscovered Mendelism

  4. What is back cross?

  5. Define Genetics.

  6. Name the four major subdisciplines of genetics.

  7. Define Heredity and variations

  8. Name any four characters of pisum sativum that was studied by Mendel.

  9. State the law of independent assortment.

  10. Give the phenotypic ratio of (a) Dihybrid cross (b) Dihybrid test cross

  11. Classify gene interactions with an example.

  12. Provide any four intergenic gene interactions.

  13. Give the proper terminologies for the following statement (a) Single gene affecting multiple traits (b) Single trait affected by many genes.

  14. What are plasmogenes?

  15. What is extranuclear inheritance?

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

TN 12th Standard EM Biology free Online practice tests

Reviews & Comments about 12th Botany - Classical Genetics - Two Marks Study Materials

Write your Comment