Methods of farm animal improvement II - SS3 Agriculture Past Questions & Answers - page 1

1

What is hybridization in farm animal improvement?

A

Breeding animals of the same genetic background

B

Breeding animals of different genetic backgrounds

C

Raising animals in hybrid environments

D

Crossbreeding animals with wild species

CORRECT OPTION: b
2

What is the primary advantage of hybridization in livestock farming?

A

Predictable offspring traits

B

Reduced genetic diversity

C

Increased productivity

D

 Lower initial costs

CORRECT OPTION: c
3

What term is used to describe the phenomenon where hybrid offspring exhibit better traits than both parent breeds?

A

Heterosis

B

Inbreeding

C

Genetic drift

D

Homozygosity

CORRECT OPTION: a
4

What is a potential disadvantage of hybridization in farm animals?

A

Increased predictability of traits

B

Loss of genetic diversity

C

Reduced initial costs

D

Enhanced fertility

CORRECT OPTION: b
5

Why is genetic diversity important in livestock breeding?

A

It simplifies breeding programs

B

It reduces the need for hybridization

C

It lowers the risk of inbreeding and genetic problems

D

It ensures consistent trait inheritance

CORRECT OPTION: c
6

What is selective breeding in farm animal improvement?

A

Breeding animals without any specific goals

B

Breeding animals randomly

C

Breeding animals with a focus on desired traits

D

Breeding animals for immediate profit

CORRECT OPTION: c
7

What advantage does selective breeding offer in shaping the next generation of farm animals?

A

Increased genetic constraints

B

Reduced trait consistency

C

Control over desirable traits

D

Rapid genetic progress

CORRECT OPTION: c
8

What potential drawback of selective breeding is mentioned in the discussion?

A

Slow progress

B

Inbreeding prevention

C

Genetic diversity improvement

D

Complexity for small-scale farmers

CORRECT OPTION: a
9

In selective breeding, what can happen if farmers narrow their focus too much on specific traits?

A

Rapid genetic progress

B

Increased genetic diversity

C

Inbreeding

D

Reduced trait consistency

CORRECT OPTION: c
10

What is one key requirement for successful breeding programs?

A

Impatience

B

Lack of resources

C

Long-term commitment

D

Random selection of parents

CORRECT OPTION: c
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