Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 Bachelor of Veterinary Science & Animal-Husbandary Semester end , B.V.Sc& A.H., Gujarat - Question Paper
Department of Animal Genetics and Breeding
College of Veterinary Science and Animal Husbandry
Semester End Examination (Theory)
AGB 211(New VCI)
Date: 28/11/2010
Time: 10 to 12 AM [Total Marks 18]
Q - 1. Fill in the blanks [Marks 5.0]
1. The genetic assortative mating is known as ___________________.
2. The loss of Heterosis in second generation is due to _________________.
3. The coancestry of any two individuals is equal to the __________________
of their progeny.
4. The gene and genotypic frequencies remains constant through a mating known as ___________________.
5. The relationship between first cousin is _____________ %.
6. _______________ Buffalo is a cross of Surti and Murrah breed.
7. ________________increases when proportion of individuals saved decreases.
8. Repeatability ranges from __________ to __________.
9. DIPA means ________________________________________________.
10. The animal appeared in sire and dam pedigree is called as ________________.
11. _______________ is crossing of all genotypes among themselves.
12. ________________ is the breed of choice for improving milk production in
buffaloes in India.
13. The Karanfries breed was developed at ________________.
14. In herd progeny testing _________ females are mated by 10 males ate random.
15. A bull is declared as a proven bull if his female progenys milk production ____________ % higher than the population average.
16. BLUP means ______________________________________________.
17. Osborn index is a combination of individual cum _______________ selection.
18. ________________ is the ratio selection differential and phenotypic standard deviation.
Q 2. State whether the following statements are True or False [Marks 4.5]
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Answers |
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1 |
Grading up is for genetic improvement of a known superior breed. |
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2 |
Inbreeding reduces genetic variation. |
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3 |
Two breed rotational crossing is also known as Criss crossing. |
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4 |
Inbreeding increases homozygosity there by increases gene frequency of desirable gene. |
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5 |
Inbreeding create new gene that is lethal. |
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6 |
Crossbreeding reduces genetic variation. |
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7 |
Maximum heterosis benefits can be from outcrossing than crossbreeding. |
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8 |
The sire ranking changes in different countries due to the presence of non-genetic effects. |
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9 |
A final progeny test of a bull require information on a
minimum of 5-6 |
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10 |
Frieswal cattle is a synthetic breed. |
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11 |
Red Kandhari cattle breed belongs to Madhya Pradesh. |
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12 |
Operation Flood scheme for milk started in NDRI, Karnal. |
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13 |
The Dwarf breed of Andhra Pradesh is Vechur. |
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14 |
CSWRI is located at Izzatnagar. |
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15 |
In Sunandini cattle, the exotic breed used for crossbreeding is Brown Swiss. |
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Q 3. Write down the most appropriate answer from the given in the bracket. [Marks 4.5]
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Answers |
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1 |
Three breed cross would give more heterosis due to (paternal/maternal) effects. |
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2 |
The relationship between twins can be (1.0 / 0.75 / 1.5). |
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3 |
The fertility in species crossing (increased/ decreased). |
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4 |
The average length of generation interval for male sheep is (2.0 -3.0/2.5 -3.5). |
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5 |
(Tandem / Independent culling level / Both) method allows selection of two or more traits at a time. |
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6 |
For carcass traits, (Individual / Pedigree / Family) selection is not preferred. |
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7 |
In Osborn index for (Pullet / Cockerel / Both), in which individuals performance is not included. |
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8 |
The Repeatability sets (Upper / Lower) limits of Heritability. |
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9 |
(Artificial / Natural / Both ) Selection means permitting some kind of individuals to produce more offspring than other kinds do. |
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10 |
Survival of fittest is Darwins theory of (Artificial / Natural / Both) Selection. |
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11 |
A Science deal with study of chromosome is (Cytogenetics / Molecular genetics / Biochemical genetics). |
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12 |
The Inbreeding coefficient in half sib mating is (12.50 / 25.00) %. |
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13 |
The relationship between clones is (100 / 50 / 75) %. |
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14 |
The crossing between male ass and female horse is (Hinny/Mule). |
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15 |
The mating of double cousins increases F by (6.25% /12.5%). |
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Q 4. Match the following [Marks 3.6]
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1. |
Wright (1921) |
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A. Maharastra |
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2. |
Lucknow ka Murga |
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B. Brown Swiss X Local breed |
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3. |
Jamaica Hope |
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C. Kalamansi |
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4. |
DIPA |
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D. Assel |
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5. |
KaranFries |
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E. Brown Swiss x Sahiwal |
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6. |
Banni Buffalo |
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F. Inbreeding coefficient |
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7. |
Pandharpuri |
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G. H.F. x Therparker |
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8. |
Karan Swiss |
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H. H.F. x Sahiwal |
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9. |
Frieswal |
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I. Heritability |
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10. |
Sunandini |
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J. Field Progeny Testing Programme |
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11 |
Kankrej |
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K. Sahiwal X Jesrsey |
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12 |
H.J.Lush |
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M. Dual Purpose Breed |
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N. Kutchh |
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O. Milch purpose breed |
Q 5. Do as directed [Marks 0.4]
1. Formula of MPPA:
2. Buffalo breeds of Gujarat (four):
| Earning: Approval pending. |
