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

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UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR
II Yr. B.Sc. (Hons.) Agri.
I Sem. 2020-’21
FINAL EXTERNAL EXAMINATION
GPB 201(2+1)
Fundamentals of Plant Breeding
Date: 01.03.2021
Time: 2 ½ Hrs.
Max. Marks: 50

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I. CHOOSE THE APPROPRIATE ANSWER (10x0.5=5.0)
a. Selection
b. Genetic variation
c. Evaluation
d. Multiplication

a. Central America
b. Central Asia
c. Abyssynia
d. Hindusthan

a. NBPGR
b. FRI
c. BSI
d. All

a. Sweet Potato
b. Sugarcane
c. Potato
d. All

a. Base collection
b. Active collections
c. Working collections
d. Germplasm collection

a. Vavilov
b. Vilmorin
c. J.Koelreuter
d. Le Couteur

a. Self Pollination
b. Inbreeding
c. Diplosory
d. Apomixis

a. Cardamom
b. Onion
c. Garlic
d. All

a. Potato
b. Sweet Potato
c. Banana
d. All

a. Allotetraploid
b. Allohexaploid
c. Auto triploid
d. Auto hexaploid

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I B. MATCH THE FOLLOWING (5x0.5=2.5)

A	B
11. Johannssen	a. Heterosis
12. Vilmorin	b. Often Cross pollinated
13. G.H.Shull	c. Pureline theory
14. Sunflower	d. Progeny test
15. Sorghum	e. Cross pollinated

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I C. FILL IN THE BLANKS WITH APPROPRIATE ANSWERS/STATE WHETHER THE STATEMENTS ARE TRUE OR FALSE (5x0.5=2.5)
Sudden heritable change is known as ___________

Development of seed and embryo without fertilization is ___________

Mobilization of an acute food pace in Africa (True/False)

Protogeny is observed in Bajra (True/False)

Male sterility is exploited to develop pure seeds (True/False)

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

Heterosis.

Molecular marker.

Monoecious.

Self incompatibility.

Plant Breeding.

Selection.

Germplasm.

Landrace.

Emasculation.

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III. ANSWER /DIFFERENTIATE ANY FIVE OF THE FOLLOWING (5x2.0=10.0)
Differentiate between Domestication and Introduction.

Differentiate between Asexual and sexual reproduction in plants.

Differentiate between Dichogamy and Herkogamy.

Dominance and Recessive characters.

Differentiate between Pedigree selection and bulk selection.

Differentiate between Self Pollination and Cross pollination with examples.

Differentiate between Molecular assisted selection and Phenotypic selection.

Differentiate between Heterosis and Inbreeding.

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IV. ANSWER ANY FOUR OF THE FOLLOWING QUESTIONS (4x2.5=10.0)
Explain structure of complete flower with neat diagram with any example.

Explain Mass selection.

What are the methods to identify pollination mechanisms?

What are the reasons for cross pollination in plants?

Differentiate between primary and secondary introduction with examples.

Explain pureline selection.

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V. ANSWER 45th, 46th AND ANY ONE OF 47th OR 48th QUESTION (3+3+4=10)
What is marker assisted selection? Advantages and Disadvantages, State varieties released through MAS.

What are population improvement methods? Explain Simple recurrent selection.

Explain Microsporogenesis - Microgametogenesis and Megagametogenesis.

OR

Explain Backcross method of selection for recessive gene.

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