1Which country holds the first rank in total milk production in the world?
A.USA
B.China
C.India
D.Brazil
Correct Answer: India
Explanation:India is the largest producer of milk in the world, contributing significantly to the global milk supply.
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2The Livestock Census in India is conducted every _____ years.
A.2
B.5
C.10
D.4
Correct Answer: 5
Explanation:The Livestock Census is conducted periodically every 5 years by the Ministry of Fisheries, Animal Husbandry and Dairying.
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3Which of the following is considered a 'living bank' or 'capital on hooves' for marginal farmers?
A.Crops
B.Machinery
C.Livestock
D.Land
Correct Answer: Livestock
Explanation:Livestock is often termed a 'living bank' because it can be sold during times of economic distress to generate immediate cash, acting as insurance against crop failure.
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4What is the approximate average gestation period of a Cow?
A. days
B. days
C. days
D. days
Correct Answer: days
Explanation:The average gestation period for a cow is roughly 9 months and 9 days, or approximately 280 to 285 days.
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5Which hormone is primarily responsible for the maintenance of pregnancy in farm animals?
A.Estrogen
B.Progesterone
C.Oxytocin
D.Prolactin
Correct Answer: Progesterone
Explanation:Progesterone, secreted by the Corpus Luteum (CL), is essential for maintaining the uterus in a state suitable for pregnancy and preventing the return of estrus.
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6In poultry, which ovary is functionally developed?
A.Right ovary only
B.Left ovary only
C.Both left and right ovaries
D.Neither (ovaries are absent)
Correct Answer: Left ovary only
Explanation:In most avian species, including chickens, only the left ovary and oviduct are fully functional. The right ovary regresses during development.
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7The act of parturition (giving birth) in sheep is known as:
A.Calving
B.Kidding
C.Lambing
D.Farrowing
Correct Answer: Lambing
Explanation:Calving is for cattle, Kidding is for goats, Farrowing is for swine, and Lambing is the specific term for sheep.
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8What is the standard length of the estrous cycle in a Buffalo?
A.16-17 days
B.19-21 days
C.28-30 days
D.10-12 days
Correct Answer: 19-21 days
Explanation:The estrous cycle in buffaloes is similar to cattle, typically lasting about 21 days on average.
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9Which part of the hen's oviduct is responsible for the secretion of the thick albumen (egg white)?
A.Infundibulum
B.Magnum
C.Isthmus
D.Uterus
Correct Answer: Magnum
Explanation:The Magnum is the longest part of the oviduct and secretes the thick albumen (white) of the egg.
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10The term 'Operation Flood' is associated with:
A.Meat Production
B.Egg Production
C.Milk Production
D.Wool Production
Correct Answer: Milk Production
Explanation:Operation Flood was the world's largest agricultural dairy development program that made India the largest milk producer.
Explanation:Swine have a distinct gestation period often remembered by the rule of 3s: 3 months, 3 weeks, and 3 days (totaling 114 days).
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12The process of egg laying in poultry is technically called:
A.Ovulation
B.Fertilization
C.Oviposition
D.Gastrulation
Correct Answer: Oviposition
Explanation:Oviposition is the act of expelling the fully formed egg from the uterus through the cloaca.
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13Which sector contributes the highest value to the agricultural GDP in India?
A.Fisheries
B.Livestock
C.Forestry
D.Horticulture
Correct Answer: Livestock
Explanation:Among the allied sectors, livestock contributes the highest share to the agricultural GDP.
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14At what temperature is liquid nitrogen () stored for cryopreservation of semen?
A.
B.
C.
D.
Correct Answer:
Explanation:Liquid nitrogen maintains a temperature of , which arrests biological activity, allowing semen to be stored indefinitely.
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15What is the primary sign of estrus (heat) in a cow?
A.Increased appetite
B.Standing to be mounted
C.Frequent lying down
D.Decreased urination
Correct Answer: Standing to be mounted
Explanation:The 'standing heat' reflex, where the cow stands still when mounted by another animal, is the most reliable sign of estrus.
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16In the female reproductive tract of farm animals, fertilization typically occurs in the:
A.Ovary
B.Uterus
C.Cervix
D.Ampulla-Isthmus junction of the Oviduct
Correct Answer: Ampulla-Isthmus junction of the Oviduct
Explanation:Fertilization occurs in the oviduct (fallopian tube), specifically at the junction of the ampulla and the isthmus.
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17Which of the following animals is a seasonal breeder?
A.Cow
B.Sheep
C.Sow
D.Human
Correct Answer: Sheep
Explanation:Sheep (and goats) are typically seasonal breeders, often responding to photoperiod (short-day breeders), whereas cows and sows are polyestrous year-round.
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18Shell formation of the egg in poultry takes place in the:
A.Magnum
B.Isthmus
C.Uterus (Shell Gland)
D.Vagina
Correct Answer: Uterus (Shell Gland)
Explanation:The uterus is where calcification occurs, and the hard shell is formed around the egg.
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19The act of mating in Goats is known as:
A.Tupping
B.Serving
C.Coupling
D.Covering
Correct Answer: Serving
Explanation:In goats (and often cattle), the act of mating is referred to as Serving. 'Tupping' is specific to sheep.
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20Which livestock product provides the highest quality protein with high biological value?
A.Meat
B.Egg
C.Milk
D.Hides
Correct Answer: Egg
Explanation:Egg protein is considered the reference protein with a biological value of nearly 100, making it the highest quality among standard foods.
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21In India, mixed farming implies:
A.Growing two crops together
B.Crop production combined with livestock rearing
C.Livestock rearing and fishing
D.Organic farming only
Correct Answer: Crop production combined with livestock rearing
Explanation:Mixed farming is a system where crop production and rearing of livestock are practiced together, providing complementary benefits.
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22The hormone responsible for milk let-down is:
A.Prolactin
B.Oxytocin
C.Estrogen
D.Adrenaline
Correct Answer: Oxytocin
Explanation:Oxytocin causes the contraction of myoepithelial cells surrounding alveoli, forcing milk into the ducts (let-down).
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23Which of the following represents the gestation period of a Buffalo?
A.280 days
B.310 days
C.330 days
D.290 days
Correct Answer: 310 days
Explanation:Buffaloes have a longer gestation period than cattle, averaging approximately 310 days (10 months and 10 days).
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24What is the incubation period for a Chicken egg?
A.18 days
B.21 days
C.28 days
D.30 days
Correct Answer: 21 days
Explanation:The standard incubation period required for a chicken egg to hatch is 21 days.
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25Which hormone causes the regression (lysis) of the Corpus Luteum?
A.FSH
B.LH
C.Prostaglandin ()
D.GnRH
Correct Answer: Prostaglandin ()
Explanation: is produced by the non-pregnant uterus to regress the Corpus Luteum, allowing the animal to cycle again.
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26The time of ovulation in a cow is:
A.12-24 hours before estrus ends
B.During standing heat
C.10-12 hours after the end of estrus
D.3 days after estrus
Correct Answer: 10-12 hours after the end of estrus
Explanation:Unlike most animals that ovulate during heat, cows ovulate approximately 10-12 hours after the end of estrus (metestrus).
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27India ranks _____ in the world regarding egg production (approximate recent ranking).
A.
B.
C.
D.
Correct Answer:
Explanation:India typically ranks 3rd in global egg production, following China and the USA.
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28Draught animals are primarily used for:
A.Milk production
B.Meat production
C.Farm labor and transportation
D.Wool production
Correct Answer: Farm labor and transportation
Explanation:Draught animals (like bullocks) provide power for ploughing, carting, and other agricultural operations.
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29The mature male goat is called a:
A.Ram
B.Buck
C.Boar
D.Bull
Correct Answer: Buck
Explanation:A mature male goat is a Buck (or Billy), while a Ram is a sheep, Boar is a pig, and Bull is cattle.
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30Semen is deposited in which part during Artificial Insemination (AI) in cattle?
A.Vagina
B.Cervix
C.Body of the Uterus (Mid-cervix to Body)
D.Oviduct
Correct Answer: Body of the Uterus (Mid-cervix to Body)
Explanation:In the recto-vaginal method of AI in cattle, semen is ideally deposited just past the cervix in the body of the uterus.
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31Which byproduct of livestock is a valuable source of renewable energy (Biogas)?
A.Bones
B.Dung
C.Hides
D.Hair
Correct Answer: Dung
Explanation:Animal dung is used in biogas plants to produce methane, a renewable source of energy, and the residue serves as manure.
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32The inner shell membranes of a poultry egg are formed in the:
A.Infundibulum
B.Magnum
C.Isthmus
D.Cloaca
Correct Answer: Isthmus
Explanation:The Isthmus adds the inner and outer shell membranes to the developing egg.
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33The average length of the estrous cycle in a Ewe (Sheep) is:
A.21 days
B.16-17 days
C.28 days
D.10 days
Correct Answer: 16-17 days
Explanation:Sheep have a shorter estrous cycle compared to cattle and swine, averaging about 17 days.
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34Which of the following is NOT a phase of the estrous cycle?
A.Proestrus
B.Estrus
C.Diestrus
D.Gastrulation
Correct Answer: Gastrulation
Explanation:Gastrulation is a phase of embryonic development. The estrous cycle consists of Proestrus, Estrus, Metestrus, and Diestrus.
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35In the AM-PM rule of insemination for cattle: if a cow is seen in heat in the morning, she should be inseminated:
A.Immediately
B.The same evening
C.The next morning
D.The next evening
Correct Answer: The same evening
Explanation:Because ovulation occurs after estrus, the AM-PM rule suggests inseminating 12 hours after detection to maximize conception rates.
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36The contribution of livestock to the national economy includes:
A.Employment generation
B.Food security
C.Foreign exchange earnings
D.All of the above
Correct Answer: All of the above
Explanation:Livestock provides jobs, essential food products (milk/meat/eggs), and export earnings (hides/meat), covering all listed economic aspects.
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37Puberty in female farm animals is defined as:
A.The time of birth
B.The time when the first estrus occurs accompanied by ovulation
C.The time when the animal reaches maximum body weight
D.The end of the reproductive life
Correct Answer: The time when the first estrus occurs accompanied by ovulation
Explanation:Puberty is the physiological age at which the female exhibits her first estrus with the release of a fertile ovum.
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38Which segment of the poultry oviduct is the site of fertilization?
A.Infundibulum
B.Magnum
C.Isthmus
D.Vagina
Correct Answer: Infundibulum
Explanation:The Infundibulum captures the yolk from the ovary and is the site where sperm fertilizes the egg.
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39The term 'Clutch' in poultry refers to:
A.The number of eggs laid on consecutive days without a break
B.The total eggs laid in a year
C.The period of molting
D.The incubation period
Correct Answer: The number of eggs laid on consecutive days without a break
Explanation:A clutch is the sequence of eggs laid by a hen on consecutive days before she skips a day.
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40What is the primary role of FSH (Follicle Stimulating Hormone) in females?
A.Maintenance of pregnancy
B.Growth and maturation of ovarian follicles
C.Milk ejection
D.Lysis of Corpus Luteum
Correct Answer: Growth and maturation of ovarian follicles
Explanation:FSH stimulates the ovaries to recruit and develop follicles which contain the oocytes.
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41The gestation period of a Goat is approximately:
A.114 days
B.145-150 days
C.280 days
D.310 days
Correct Answer: 145-150 days
Explanation:Goats have a gestation period very similar to sheep, averaging around 5 months (150 days).
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42A castrated male pig is called a:
A.Steer
B.Wether
C.Barrow
D.Gelding
Correct Answer: Barrow
Explanation:Steer is cattle, Wether is sheep/goat, Gelding is horse, and Barrow is a castrated male pig.
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43Animal manure improves soil fertility primarily by adding:
A.Heavy metals
B.Organic matter and macro-nutrients (N-P-K)
C.Plastics
D.Sand
Correct Answer: Organic matter and macro-nutrients (N-P-K)
Explanation:Manure enriches the soil with organic humus and essential nutrients like Nitrogen, Phosphorus, and Potassium.
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44In which animal does 'Silent Heat' (ovulation without external signs) occur most frequently?
A.Cow
B.Buffalo
C.Mare
D.Sow
Correct Answer: Buffalo
Explanation:Buffaloes are notorious for silent heat, making heat detection more difficult compared to cattle.
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45Which hormone triggers ovulation (rupture of the follicle)?
A.FSH
B.LH (Luteinizing Hormone)
C.Progesterone
D.Relaxin
Correct Answer: LH (Luteinizing Hormone)
Explanation:A surge in Luteinizing Hormone (LH) is the specific trigger that causes the mature follicle to rupture and release the egg.
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46The act of parturition in Swine is called:
A.Calving
B.Lambing
C.Kidding
D.Farrowing
Correct Answer: Farrowing
Explanation:Farrowing is the specific term used for pigs giving birth.
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47Which of the following creates the 'air cell' in a poultry egg?
A.Separation of the two shell membranes upon cooling
B.The yolk shrinking
C.Cracking of the shell
D.Expansion of the albumen
Correct Answer: Separation of the two shell membranes upon cooling
Explanation:After the egg is laid and cools, the contents contract, causing the inner and outer shell membranes to separate at the blunt end, forming the air cell.
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48Which livestock species has the highest population in India?
A.Sheep
B.Goat
C.Cattle
D.Buffalo
Correct Answer: Cattle
Explanation:According to the Livestock Census, cattle have the highest population among livestock species in India.
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49The male sex hormone responsible for libido and secondary sexual characters is:
A.Estrogen
B.Testosterone
C.Progesterone
D.Oxytocin
Correct Answer: Testosterone
Explanation:Testosterone, produced by the testes, drives male sexual behavior (libido) and physical characteristics.
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50What is the primary carbohydrate source in milk?
A.Glucose
B.Fructose
C.Lactose
D.Sucrose
Correct Answer: Lactose
Explanation:Lactose, also known as milk sugar, is the distinct disaccharide found in milk.