ARS Mains Examination Previous Year Question Paper GPB - 2014 March

Section-A

1. Rice is originated from O. Perennis

2. Law of homologous series of variation – N.I. Vavilov

3. GURT: Genetic Use Restriction Technology

4. Growing plants in nutrient solution – Hydrophonics

5. Central dogma describes: Information stored in DNA is transferred to RNA molecules during transcription and proteins during translation

6. Long-lasting resistance – Durable resistance

7. Which technique is used in Messelson and Stahl experiment – Density gradient centrifugation

8. For a given DNA molecule 6 Possible number of open reading frames

9. Golden rice is rich in – Beta-carotene

10. Heterosis is due to – Dominance

11. Progenitors of old world tetraploid cotton – G. arboreum and G. raimondii

12. Quality protein maize is rich in – lysine and tryptophan amino acids

13. The recent marker which is becoming popular due to availability of low-cost sequencing technology and its abundance – SNP

14. In chi-square test maximum degrees of freedom for tri hybrid cross – 2001

15. PPV & FR started in – 2001

16. Ideotype term coined by – Donald

17. The seeds which do not lose viability even when stored at low temperature and low moisture content – Orthodox seeds

18. Large number of germplasm can be evaluated by – Augmented design

19. The causes of varietal deterioration – Mutations

Section-B

1. What do you understand by cytoplasmic inheritance, how it differs from Mendelian inheritance?

2. Discuss about cytoplasmic genetic male sterility, differences between CGMS and GMS

3. Describe patterns of evolution of crop plants

4. What is synaptonemal complex? Describe structure and role in chromosome pairing

5. What is crop ideotype? What are the steps involved in ideotype breeding?

6. Discuss the role of breeding programs in hybrid variety development in rice

7. Discuss briefly on genetic basis of deterioration in germplasm as seed banks. DNA banks is called ex-situ conservation

8. Few examples of transgenic insect resistance in crop plants

9. Define QTL. Applications of molecular markers in crop plants

10. Define biotechnological markers in the context of crop plant improvement

11. Discuss about the X tester. Its importance?

12. How HQR hybrids are developed in maize?

13. Is there overlapping of biodiversity bill and Plant Variety Protection Act?

Section - C

1. Do incomplete dominance and co-dominance provide exceptions to Mendel’s generalization? Give reasons. Explain why not Mendel not found linkage?

2. Define hybrid variety. Explain breeding technologies to develop hybrid variety in rice.

3. Discuss roles of various types of aneuploids for locating genes on a particular chromosome

4. Define biometrical genetics? How different biometric designs are useful to plant breeding in various ways?

5. What is Bio-fortification? How rice variety is bred with high vitamin-A content?

6. What do you understand Intellectual Property Rights, what are the different forms of Intellectual Property Rights?