GPB 201(2+1) Fundamentals of Plant Breeding ( Question Paper)

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UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR
COLLEGE OF AGRICULTURE, GULBARGA
FINAL EXAMINATION – SET-I

Course No: GPB-201
Course Title: Principles of Plant Breeding
Semester: II
Year: 2014-15
Max marks: 50
Duration: 2.30 hrs

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Q.I Objective type of questions

Total 20 x 0.5= 10.0

A. Tick / Underline the correct answers 10x0.5=5.0

1. A cross between two inbreds is referred as
   a) Single cross b) Double cross c) Top cross d) Three way cross

2. Most commonly used method for Resistance Breeding is
   a) Pedigree method b) Back cross method c) Bulk method d) None of these

3. Kalyana sona and Sonalika wheat varieties are examples of
   a) Primary Introduction b) Secondary Introduction
   c) Acclamatization d) Domestication

4. Idea of Multilines was first suggested by
   a) Borlaug b) Jensen c) Briggs d) Donald

5. Triticale was developed by
   a) Karpechenko b) Rimpau c) Nagehuru d) Mendel

6. Following is an example of Intellectual property Rights
   a) Plant Breeder Rights b) Movable Property
   c) Land d) Buildings

7. The Source of Dwarfness gene in wheat Breeding
   a) TN-1 b) Dee-geo-woo-gen c) Norin-10 d) None of these

8. The extent of outcrossing in often cross pollinated crops is
   a) <5 % b) 6-10 % c) 15 - 30 % d) > 30 %

9. In developing synthetics, inbreds will be tested for
   a) GCA b) SCA c) Both a & b d) None of these

10. The term di-haploid refers to
    a) Haploid of a diploid b) Haploid of a tetraploid
    c) Haploid of polyploid d) Doubled haploid

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B. Fill in the blanks 5x0.5 = 2.5

1. ______ is the sum total of all the genes present in a population.

2. BSH-1 hybrid was developed by ______

3. Exchange of Germplasm at global level is routed through ______

4. The term Mutation was coined by ______

5. CMS line into isogenic to “A” line and is male fertile is called as ______

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C. Match the following 5x0.5 = 2.5

A	B
1. Law of Homologous series	A. BOAA
2. Khesari	B. P = G + E + GE
3. Apomixis	C. Polygene
4. Quantitative characters	D. One line breeding
5. Fisher	E. Vavilov
	F. Mendel

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Q.II. Answer the following in one or two sentences only

A. Define the following/ Write the contribution of. (Any five)

5 x 1 = 5.0

1. Introduction

2. Heterosis

3. Quarantine

4. Parthenogenesis

5. T. S. Venkataraman

6. Norman Borlaug

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B. Correct the following statements (Any five)

5 x 1 = 5.0

1. Cytoplasmic male sterility can be used in those crops where seed is the economic part.

2. The lines used to produce a composite variety are tested for General combining ability.

3. Progeny increases with increase in heterozygosity.

4. Bringing wild species under human management is called as selection.

5. Inbreds are heterozygous and can be maintained as seed.

6. Variation present within a pureline is heritable.

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C. Differentiate the following. (Any five)

5 X 1 = 5.0

1. Dominance and Overdominance hypothesis

2. Self incompatibility and Male sterility

3. Synthetics and Composites

4. Plant breeder’s rights and farmers right

5. Heterosis and Inbreeding Depression

6. Quantitative character vs Qualitative character

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Q.III. Answer the following in brief about five to six sentences (Any five only)

5 x 2 =10.0

1. Describe various mechanisms ensuring cross pollination.

2. Define a pureline. Write the procedure of pureline selection with advantages and disadvantages ?

3. Write about Intellectual Property Rights ?

4. Explain Hardy-Weinberg Law and explain the factors affecting the equilibrium in populations

5. Objectives and achievements of Plant Breeding

6. Expand NBGR and List the functions of NBGR.

7. Explain simple recurrent selection

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Q.IV. Explain/Describe the following questions (Any five only)

5 X 3 = 15.0

1. Define Male sterility.
   Explain about different types of male sterility in crop plants ?

2. Define Backcross.
   List the requirements of a backcross programme and write the procedure of backcross method for transfer of dominant gene.

3. Define mutation.
   Write the characteristics of mutagens and outline the procedure of Mutation Breeding?

4. Who suggested the idea of recurrent selection?
   List the different types of recurrent selection schemes and describe the procedure for any one of the schemes.

5. Explain Auto and Allopolyploidy and write the role of Allopolyploidy in Crop Evolution.

6. Explain Germplasm conservation and write methods involved in it in detail.

7. What do you mean by hybridization?
   Write the types of hybridisation and discuss in brief about the objectives and steps in hybridization.

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