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


UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR
III Yr. B.Sc.(Hons) Agri.
SUPPLEMENTARY EXAMINATION
PRINCIPLES OF PLANT BREEDING
GPB.201 (2+1)
Sem. 2017-’18
Date : 26-10-2017
Time : 2 Hrs.
Max. Marks : 50

I A. CHOOSE THE APPROPRIATE ANSWER
(10x0.5=5.0)

  1. Clonal propagation/ tissue culture is widely followed in following crops
    a. Tomato  b. Chilli  c. Banana  d. Sorghum

  2. The diploid chromosome number of Zeamays L. is 2n=
    a. 16  b. 20  c. 24  d. 18

  3. Lerma rojo and sonora 64 are the varieties of wheat through
    a. Introduction  b. Pedigree method  c. Mutation  d. Pure line selection

  4. Pulses are rich in ___________ amino acid
    a. Tryptophane  b. Cystine  c. Tyrosine  d. Lysine

  5. In India, exotic collections of germplasm carry the prefix
    a. EC  b. ICc  c. IW  d. EG

  6. The percentage of BSH-1 of sunflower hybrid is
    a. CMS-234 A ×  b. CMS 287 A × CA  c. RHA 403 × R-10-1  d. RHA-274 203

  7. Breeding for Downey mildew resistance is important objective in ______ crop None of these
    a. Bajra  b. Wheat  c. Ragi  d. Rice

  8. Which of the following is the ideal parent for hybridization
    a. Inbred  b. Open pollinated variety  c. Population  d. Segregating material

  9. Central Rice Research institute located at
    a. Hyderabad  b. Cuttack  c. Allahabad  d. Karnal

  10. Centre of Origen of Groundnut is
    a. China  b. Brazil  c. India  d. Mexico

I B. MATCH THE FOLLOWING  (5x0.5=2.5)

A B
11. Anemophily a. 1:4:6:4:1
12. Male sterility b. Pollination by wind
13. Multiple factor hypothesis c. Cross pollination
14. Protandry d. Bajra
15. Protogyny e. Maize

I C. FILL IN THE BLANKS WITH APPROPRIATE ANSWERS  (5x0.5=2.5)

  1. The source of commonly used dwarfing gene in Rice is _____________.

  2. Seeds are formed but the embryo develops without fertilization is called _________________.

  3. Production of mega spore is called as ______________.

  4. ________________ is the example for often cross pollinated crop.

  5. Transfer of pollen grains from flowers of one plant to stigma of the flowers of other plant is called _____________________.

II. DEFINE THE FOLLOWING  (10x1.0=10.0)

  1. Plant breeding.

  2. Genetic load.

  3. Domestication.

  4. Quarantine.

  5. Complete flower.

  6. Germplasm

  7. Heterosis

  8. Distant hybridization

  9. Multi lines

  10. Plant introduction

III. DIFFERENTIATE ANY FIVE OF THE FOLLOWING QUESTIONS  (5x2.0=10.0)

  1. Primary Selection & Secondary Selection

  2. Hybrid & Variety.

  3. Parthenogenesis & Apomixis.

  4. Gametogenesis & Sporogenesis.

  5. Self-incompatibility & Male sterility.

  6. Qualitative trait Vs quantitative traits

  7. Ex- situ conservation & In-situ conservation

  8. Primary Selection & Secondary Selection

IV. ANSWER ANY FOUR OF THE FOLLOWING QUESTIONS  (4x2.5=10.0)

  1. Centre of origin

  2. Introduction and their types

  3. Evolution of bread wheat

  4. Heterosis and mention the types

  5. Chemical hybridizing agent.

  6. Define multi lines, mention their merits & demerits.

V. ANSWER 45th, 46th AND ANY ONE OF 47th OR 48th QUESTION  (3x3+4=10.0)

  1. What is pure line and explain the pure line theory in detail.

  2. Explain brassica triangle with schematic diagram

  3. Define self incompatibility and explain gametophytic self incompatibility with examples and figures.
    OR

  4. Schematically explain the transfer of a dominant gene controlling disease resistant through back cross method.


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