ARS Mains Examination Previous Year Question Paper GPB - 2016

PART – C

1. What is recurrent Selection? Enlist the types and descibe reciprocal recurrent Selection and its uses

2. Explain Eberhart and Russel model of stability analysis and write the parameters for the stable variety

3. What are structural and numerical chromosomal aberrations and their role in crop improvement?

4. Do we need Transgenic crops? Explain the risks associated with transgenics and also write the safeguards

5. Write the role of plant breeder in seed chain and also write the safeguards for the production of quality seed.

6. What is Diallel, explain the different types and merits and demerits of Diallel?

PART – B

1. Differentiate prokaryotic and Eukaryotic genetic architecture

2. Differentiate correlation (vs) regression and polygenes (vs) pleotrophy

3. Differentiate vertical and horizontal resistance

4. What is North Carolina Design? compare the 3 designs of it.

5. Why correlation coefficients differ for same trait in same crop, explain it?

6. Virus free plants are produced through micropropagation, write reasons.

7. What is gene regulation? Explain it.

8. What is Heterosis? Explain the genetic basis of heterosis and the most accepted method of Heterosis.

9. Exploitation of heterosis is limited in self pollinated populations compare to cross pollinated populations, substantiate it.

10. What is chi-square test and its uses?

11. What is augmented design? When it is used?

12. What is Transgressive segregation?

13. What are reasons for the resistant variety to become susceptible?

14. What is male sterility, explain types with examples.

15. What are different methods of population improvement? Write its achievements.

16. What is QTL? Write role of molecular markers in crop improvement.

17. What is alien substitution? Describe any one of the method to produce it.

18. Who proposed multiple factor hypothesis, and explain it?

19. Mendel succeeded than his preceders, substantiate it.

20. Compare conventional and biotechnological approach for conservation of biodiversity 

PART–A

1. Term cytogenetics Sutton in the year 1903

2. Term Ideotype Donald in the year 1968

3. Dr. Rajendraprasad central agricultural university is located at Bihar

4. Rajendra Bhagavathi is variety of which crop? Rice

5. Rice variety developed by crossing indo-japonica hybridization programme is Inter subspecific.

6. Bilobed and feathery stigmas present in the crop Sorghum

7. Individual plant in self pollinated population is homozygous and cross pollinated population is heterozygous

8. Cross pollinated population is heterozygous and heterogeneous

9. MABB Marker Assisted Backcross Breeding

10. Expand PVP Protection of Plant Variety and FR Farmer’s Rights

11. Bisexuality and Homogen promote self-pollination.

12. Substitution of purine by purine is called transit and substitution of purine by pyrimidine is called Transversion

13. Dot blot Tech Technique is used for identification of transgene integration.