Question 1

Which hormone is involved in preparing the uterus for implantation of a fertilized egg?

Accepted Answer

Progesterone

Answer

Luteinising hormone

Answer

Follicle stimulating hormone

Answer

Oestrogen

Question 2

What is the term for the reproductive cycle in animals that includes the period when the female is in heat and ovulating?

Accepted Answer

Oestrous cycle

Answer

Menopause

Answer

Menstrual cycle

Answer

Estrous cycle

Question 3

Which hormone is responsible for the maturation of ovarian follicles in females?

Accepted Answer

Follicle stimulating hormone

Answer

Luteinising hormone

Answer

Oestrogen

Answer

Progesterone

Question 4

Which hormone is primarily responsible for the development of female secondary sexual characteristics?

Accepted Answer

Oestrogen

Answer

Follicle stimulating hormone

Answer

Luteinising hormone

Answer

Progesterone

Question 5

What is the primary hormone responsible for driving the oestrous cycle?

Accepted Answer

Oestrogen

Answer

Follicle stimulating hormone

Answer

Progesterone

Answer

Luteinising hormone

Question 6

What is the role of progesterone in the oestrous cycle?

Accepted Answer

Maintaining pregnancy

Answer

Inducing ovulation

Answer

Maturing ovarian follicles

Answer

Developing secondary sexual characteristics

Question 7

What is the function of oestrogen in the oestrous cycle?

Accepted Answer

Prepare body for ovulation

Answer

Maintain pregnancy

Answer

Trigger ovulation

Answer

Develop secondary sexual characteristics

Question 8

What does it mean if an animal is polyoestrous?

Accepted Answer

It has several oestrous cycles throughout the year.

Answer

It reproduces asexually.

Answer

It hibernates during mating season.

Answer

It only has one oestrous cycle per year.

Question 9

What is a characteristic of polyoestrous animals?

Accepted Answer

They have more than one breeding season per year.

Answer

They only breed in the winter.

Answer

They have a specific breeding season.

Answer

They are solitary animals.

Question 10

How do animals benefit from seasonal polyoestrous?

Accepted Answer

Optimizes reproductive success by synchronizing births with favorable conditions.

Answer

It leads to overpopulation.

Answer

It causes breeding to occur randomly.

Answer

It decreases reproductive success.

Question 11

Seasonal polyoestrous is commonly observed in which type of animals?

Accepted Answer

Wildlife such as deer and sheep.

Answer

Insects like bees and ants.

Answer

Domesticated animals like cats and dogs.

Answer

Marine animals like fish and whales.

Question 12

What does seasonal polyoestrous mean?

Accepted Answer

An animal has several oestrous cycles during a specific time of the year.

Answer

An animal reproduces all year round.

Answer

An animal hibernates during certain months.

Answer

An animal only breeds in the summer.

Question 13

What gland is stimulated to produce melatonin in sheep as day length decreases in autumn?

Accepted Answer

Pineal gland

Answer

Adrenal gland

Answer

Pituitary gland

Answer

Thyroid gland

Question 14

When is melatonin produced in sheep?

Accepted Answer

During hours of darkness

Answer

When food is scarce

Answer

During the breeding season

Answer

During daylight hours

Question 15

What triggers the onset of oestrus in sheep?

Accepted Answer

Increased levels of melatonin

Answer

Lack of food

Answer

Shortening daylight hours

Answer

High temperatures

Question 16

Why must stock bulls be replaced at regular intervals?

Accepted Answer

To prevent inbreeding

Answer

To save money on feed costs

Answer

To increase milk production

Answer

To improve the quality of meat

Question 17

Who should carry out the artificial insemination procedure?

Accepted Answer

A trained technician

Answer

The farm owner

Answer

A veterinarian

Answer

An inexperienced intern

Question 18

Where is the semen deposited during artificial insemination?

Accepted Answer

Into the uterus

Answer

In the stomach

Answer

In the lungs

Answer

In the bladder

Question 19

Why do many farmers use heat detection aids?

Accepted Answer

To identify cows or heifers in heat

Answer

To monitor body condition

Answer

To prevent disease outbreaks

Answer

To track milk production

Question 20

What is a drawback of using artificial insemination compared to a stock bull?

Accepted Answer

Lower conception rates

Answer

Increased genetic diversity

Answer

Faster breeding process

Answer

Higher conception rates

Question 21

What allows farmers to target specific genetic traits in their herd?

Accepted Answer

The use of AI

Answer

Feeding supplements

Answer

Crossbreeding with wild species

Answer

Genetic modification

Question 22

What is the purpose of a stock bull at the end of the breeding season?

Accepted Answer

To mop up any cows or heifers not in calf

Answer

To be sold for meat

Answer

To be used for show competitions

Answer

To retire and enjoy a peaceful life

Question 23

What is the outcome of inbreeding within a herd?

Accepted Answer

Increased genetic health issues

Answer

Reduced genetic health issues

Answer

Improved genetic diversity

Answer

Higher milk production

Question 24

Why is it critical to detect cows in heat for successful AI?

Accepted Answer

To increase the chance of AI being successful

Answer

To increase the cost of AI

Answer

To reduce milk production

Answer

To prevent diseases in cows

Question 25

What does AI stand for in the context of dairy farming?

Accepted Answer

Artificial Insemination

Answer

Automated Irrigation

Answer

Advanced Inheritance

Answer

Animal Interaction

Question 26

What is one benefit of using AI in dairy farming in relation to diseases?

Accepted Answer

Prevents the spread of sexually transmitted diseases

Answer

Increases milk production

Answer

Causes genetic mutations

Answer

Reduces fertility rates

Question 27

How does sexed semen from some bulls contribute to dairy farming?

Accepted Answer

Increases the chances of heifer calves

Answer

Decreases fertility rates

Answer

Causes genetic disorders

Answer

Reduces milk production

Question 28

Why is the cost of an AI straw considered small compared to keeping a bull?

Accepted Answer

The cost of keeping and feeding a bull is high

Answer

AI straws require special storage

Answer

Bulls are cheaper to maintain

Answer

AI straws are costly

Question 29

How does AI impact the number of cows served by a bull?

Accepted Answer

The numbers of cows served using an AI bull is greater than by natural means

Answer

AI can only be used on a single cow

Answer

AI reduces the number of cows served

Answer

AI has no impact on the number of cows served

Question 30

What is the primary function of protein in animal nutrition?

Accepted Answer

Building and repairing tissues

Answer

Aiding digestion

Answer

Regulating body temperature

Answer

Providing energy

Question 31

What is the significance of vitamin A in animal nutrition?

Accepted Answer

Supporting vision, immune function, and growth

Answer

Regulating body temperature

Answer

Enhancing muscle strength

Answer

Aiding in digestion

Question 32

What is the main source of energy in the diet of ruminant animals?

Accepted Answer

Fiber from plant material

Answer

Proteins from animal products

Answer

Carbohydrates from grains

Answer

Fats from oilseeds

Question 33

What is the function of vitamin K in animal nutrition?

Accepted Answer

To support blood clotting and bone health

Answer

To regulate body temperature

Answer

To provide energy

Answer

To enhance muscle growth

Question 34

Why is it important to provide minerals to animals in their diet?

Accepted Answer

To support various bodily functions and enzyme activities

Answer

To increase muscle mass

Answer

To regulate body temperature

Answer

To enhance energy production

Question 35

Why do ruminant animals produce methane during fermentation in the rumen?

Accepted Answer

As a byproduct of microbial digestion

Answer

To support muscle growth

Answer

To regulate body temperature

Answer

To aid in nutrient absorption

Question 36

What is the primary function of vitamin D in animal nutrition?

Accepted Answer

Regulating calcium and phosphorus absorption

Answer

Aiding in digestion

Answer

Enhancing muscle growth

Answer

Supporting immune system function

Question 37

Why is calcium important in animal nutrition?

Accepted Answer

For bone health and muscle function

Answer

For immune system support

Answer

For energy production

Answer

For vitamin absorption

Question 38

Which part of the digestive system is responsible for breaking down cellulose (roughage) through fermentation and contains microorganisms?

Accepted Answer

Rumen

Answer

Esophagus

Answer

Duodenum

Answer

Abomasum

Question 39

Which part of the digestive system acts as the true stomach, producing gastric juices, and is responsible for digesting proteins?

Accepted Answer

Abomasum

Answer

Appendix

Answer

Colon

Answer

Rumen

Question 40

Which part of the digestive system is responsible for absorbing nutrients and minerals from the processed food?

Accepted Answer

Small Intestine

Answer

Liver

Answer

Large Intestine

Answer

Stomach

Question 41

Where does the process of chemical digestion primarily occur in the digestive system?

Accepted Answer

Stomach

Answer

Esophagus

Answer

Large Intestine

Answer

Rectum

Question 42

Which organ in the digestive system is responsible for producing enzymes that break down carbohydrates, proteins, and fats?

Accepted Answer

Pancreas

Answer

Lung

Answer

Kidney

Answer

Brain

Question 43

Which part of the digestive system is responsible for storing undigested food and absorbing water to form solid waste?

Accepted Answer

Large Intestine

Answer

Gallbladder

Answer

Lung

Answer

Liver

Question 44

Which part of the digestive system is responsible for producing enzymes that break down carbohydrates into simpler sugars?

Accepted Answer

Salivary Glands

Answer

Thyroid Gland

Answer

Adrenal Gland

Answer

Pituitary Gland

Question 45

Which organ in the digestive system produces bile to aid in the digestion of fats?

Accepted Answer

Liver

Answer

Spleen

Answer

Thymus

Answer

Appendix

Question 46

Which part of the digestive system is responsible for mixing food with saliva to form a bolus for swallowing?

Accepted Answer

Mouth

Answer

Ear

Answer

Nose

Answer

Eye

Question 47

Which part of the cow's digestive system is responsible for reabsorbing water from the food?

Accepted Answer

Omasum

Answer

Abomasum

Answer

Rumen

Answer

Esophagus

Question 48

What is the purpose of rechewing the contents of the rumen by regurgitation in a cow's digestive process?

Accepted Answer

To further break down fibrous material in the food

Answer

To accelerate mineral digestion

Answer

To increase protein absorption

Answer

To enhance carbohydrate fermentation

Question 49

What role do microorganisms in the rumen play in the diet of ruminant animals?

Accepted Answer

Microorganisms in the rumen can synthesize amino acids from non-protein sources in the diet for ruminant animals.

Answer

Microorganisms in the rumen produce vitamins essential for ruminant animals.

Answer

Microorganisms in the rumen help absorb essential amino acids from the diet for ruminant animals.

Answer

Microorganisms in the rumen help break down fiber in the diet for ruminant animals.

Question 50

Which statement is true regarding the dietary requirements of monogastric animals and ruminant animals?

Accepted Answer

Monogastric animals like pigs require diets with good quality protein, while ruminant animals like cows do not need essential amino acids in their diet.

Answer

Monogastric animals like pigs can synthesize amino acids from non-protein sources in their diet, while ruminant animals need essential amino acids in their diet.

Answer

Both monogastric animals and ruminant animals require diets with good quality protein.

Answer

Monogastric animals like pigs can survive on diets deficient in essential amino acids, while ruminant animals require diets with good quality protein.

Question 51

Why do diets for monogastric animals like pigs need to contain essential amino acids?

Accepted Answer

Monogastric animals like pigs cannot synthesize all essential amino acids internally and must obtain them from their diet.

Answer

Monogastric animals like pigs have a higher protein requirement than ruminant animals.

Answer

Diets lacking essential amino acids improve the growth rate of monogastric animals like pigs.

Answer

Monogastric animals like pigs store excess amino acids in their body for later use.

Question 52

What is the primary reason why diets for ruminant animals like cows do not need to contain essential amino acids?

Accepted Answer

Microorganisms in the rumen of ruminant animals can synthesize amino acids from non-protein sources in the diet.

Answer

Ruminant animals can absorb essential amino acids directly from the rumen.

Answer

Ruminant animals have a lower requirement for protein compared to monogastric animals.

Answer

Ruminant animals have a specialized enzyme that can convert non-protein sources into amino acids.

Question 53

What may the results be when animals inbreed?

Accepted Answer

Increased risk of genetic disorders and decreased genetic diversity

Answer

Improved health and stronger offspring

Answer

Higher chance of hybrid vigor

Answer

Enhanced genetic diversity

Question 54

What is the advantage of crossbreeding in animal genetics?

Accepted Answer

Increased genetic diversity and heterosis (hybrid vigor)

Answer

Enhanced inbreeding depression

Answer

Higher risk of genetic disorders

Answer

Decreased genetic diversity and weaker offspring

Question 55

What are the methods of genetic improvement in animal breeding?

Accepted Answer

Selective breeding, crossbreeding, and genetic technologies such as artificial insemination and embryo transfer

Answer

Random mating and genetic mutations

Answer

Cloning and genetic engineering

Answer

Inbreeding and hybridization

Question 56

Define a lethal gene in animal genetics.

Accepted Answer

A lethal gene is a gene that, when present in homozygous form, leads to the death of the organism before or shortly after birth.

Answer

A gene that does not affect the organism's health

Answer

A gene that enhances survival in organisms

Answer

A gene that causes mild health issues in organisms

Question 57

What is double muscling in animal genetics, and how is it achieved?

Accepted Answer

Double muscling is a genetic mutation that results in an animal having exaggerated muscle growth, leading to a heavily muscled appearance. It is achieved through selective breeding for specific myostatin mutations that inhibit muscle growth regulation.

Answer

Double muscling is a result of excessive protein intake in animals

Answer

Double muscling occurs due to lack of exercise in animals

Answer

Double muscling is a contagious muscle disease in animals

Question 58

What is the significance of genetic diversity in animal populations?

Accepted Answer

Genetic diversity in animal populations is crucial for adaptability to changing environments, resistance to diseases, and overall survival. It allows for the presence of a wide range of alleles, increasing the chances of beneficial traits being present in the population.

Answer

Genetic diversity results in increased inbreeding within populations

Answer

Genetic diversity leads to homogeneity within animal populations

Answer

Genetic diversity has no impact on adaptability or survival of animals

Question 59

What are the disadvantages of crossbreeding in animals?

Accepted Answer

Disadvantages of crossbreeding in animals can include loss of specific breed characteristics, reduced uniformity in offspring traits, and potential for outbreeding depression due to genetic incompatibilities.

Answer

Increased genetic diversity and heterosis

Answer

Improved overall health and fertility

Answer

Enhanced adaptability to diverse environments

Question 60

What may the results be when animals inbreed?

Accepted Answer

Increased risk of genetic disorders and reduced fertility

Answer

Improved fertility and increased genetic diversity

Answer

No impact on genetic disorders or fertility

Answer

Decreased risk of genetic disorders and reduced fertility

Question 61

What is the advantage of crossbreeding in animal genetics?

Accepted Answer

Increased genetic diversity and hybrid vigor

Answer

Decreased genetic diversity and higher susceptibility to diseases

Answer

Unpredictable offspring characteristics

Answer

Reduced growth rates and lower productivity

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