objective type questions (management of farms and farm

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SECTION - A

Objective Type Questions

(Management of Farms and Farm Animals)

1. The spread of bird flu can be prevented by

(1) Culling

(2) Breeding

(3) Separation of infected birds from the flock of uninfected ones

(4) Both (1) & (3)

Sol. Answer (4)

Separation of infected birds from the flock of undiseased ones.

Culling– Segregating organisms from a group. In bird flu, infected ones are segregated from non-infected ones.

2. Feeding constitutes the major management concern in poultry. It is required for high

(1) Egg production only

(2) Meat production only

(3) Both egg and meat production

(4) Feeding of birds in poultry is not of prime importance

Sol. Answer (3)

Feed should be nutrient rich for both egg and meat production.

3. To increase milk yield, which non pituitary hormone is a cow given

(1) Stilbesterol (2) Sorbitol (3) Gonadotropin (4) Prolactin

Sol. Answer (1)

Stilbesterol induces lactation

Sorbitol is given to relieve heart pain.

Prolactin is a pituitary hormone naturally present in animals which induces lactation.

Solutions

Level - II

Strategies for Enhancement in

Food Production

Chapter 6

60 Strategies For Enhancement in Food Production Solutions of Assignment (Level-II)


4. Which of the following disease is caused by a protozoan Eimeria in fowls resulting in bloody diarrhoea?

(1) Fowl cholera (2) Coccidiosis (3) Thrush (4) Ranikhet

Sol. Answer (2)

Fowl cholera– Pathogen Pasteurella (bacteria).

Thrush– Fungal infection.

Ranikhet– Viral infection.

5. If a cattle exhibits symptoms such as increased respiration and blood mixed foamy discharge from mouth,

nose and anus, it is likely to be suffering from

(1) Rinderpest (2) Mad cow disease (3) Ranikhet (4) Anthrax

Sol. Answer (4)

Anthrax is a bacterial disease caused by Bacillus anthracis.

(Animal Breeding)

6. Which of the following is not an objective of animal breeding?

(1) Increasing yield of milk, eggs, meat, wool etc.

(2) Improving the desirable qualities of produce

(3) Slow growth rate

(4) Resistance to various diseases

Sol. Answer (3)

Improved growth rate is an objective of animal breeding.

7. An out-cross refers to a condition when animals

(1) Within the same breed having common ancestors are mated

(2) Within the same breed having no common ancestors on either side of their pedigree upto 4-6 generations

are mated

(3) Of different breeds are mated

(4) Of different species are mated

Sol. Answer (2)

Option (1) Defines in-breeding

Option (3) Defines cross-breeding

Option (4) Defines interspecific hybridisation.

8. Which of the following is practised to overcome average productivity in animals w.r.t. milk production, growth

rate in beef cattle etc?

(1) Out-crossing (2) Cross-breeding

(3) Interspecific hybridization (4) In-breeding

Sol. Answer (1)

Cross-breeding allows desirable qualities of two different breeds to be combined.

Interspecific hybridization– Combine desirable features of two different species.

Inbreeding– Mainly increases homozygosity.

61Solutions of Assignment (Level-II) Strategies For Enhancement in Food Production


9. Hisardale, a new breed of sheep, developed in Punjab is obtained by crossing

(1) Bikaneri ewes and Merino rams (2) Merino ewes and Bikaneri rams

(3) Bikaneri ewes and Bikaneri rams (4) Merino ewes and Merino rams

Sol. Answer (1)

10. Which of the following statement is incorrect w.r.t. inbreeding?

(1) Inbreeding increases homozygosity

(2) Inbreeding exposes harmful recessive genes that are eliminated by selection

(3) Inbreeding helps in accumulation of deleterious alleles and elimination of desirable alleles

(4) Inbreeding helps in developing a pure-line in animal

Sol. Answer (3)

Inbreeding helps in accumulation of desirable alleles and elimination of deleterious alleles.

11. Artificial breeding of cattle is brought about by

(1) Artificial insemination (2) Superovulation and embryo transplantation

(3) Interspecific hybridisation (4) Both (1) & (2)

Sol. Answer (4)

Interspecific hybridisation is breeding of male and female of two different species.

12. The hormone injected to cow to induce follicular maturation and superovulation has ______ like activity

(1) Estrogen (2) Progesterone (3) Testosterone (4) FSH

Sol. Answer (4)

Follicle stimulating hormone– Stimulates the formation of follicle.

Estrogen– Causes proliferation of endometrium.

Progesterone– Functions in maintaining endometrium.

Testosterone– Male hormone- development of sperm (Spermatogenesis)

13. MOET can not been practiced in

a. Cattle b. Sheep c. Rabbits d. Poultry

(1) a, c & d (2) b & d (3) d (4) c

Sol. Answer (3)

14. Pure line breed refers to

(1) Heterozygosity only (2) Heterozygosity and linkage

(3) Homozygosity only (4) Homozygosity and self assortment

Sol. Answer (3)

When more closely related individuals are mated within the same breed for 4-6 generations the progeny obtained

is with increased homozygosity. Thus, a pureline is evolved.



15. A cow which give more milk per lactation is evolve into pure line by mating with superior bull of same breed

for 4-6 generation. Which type of breeding is being referred to in this case?

(1) In-breeding (2) Out-breeding (3) Cross-breeding (4) Out-crossing

Sol. Answer (1)

For evolving a pureline inbreeding in necessary.

16. Which of the following is correct to check the inbreeding depression?

(1) Artificial hybridisation

(2) Cross breeding

(3) Selected animal should be mated with unrelated superior animals of the same breed

(4) Selected animal should be mated with unrelated superior animals of the different breed

Sol. Answer (3)

A single outcross can even overcome inbreeding depression.

17. Ranikhet is a disease of

(1) Poultry (2) Fishery (3) Apiculture (4) Cattle

Sol. Answer (1)

Ranikhet is viral disease of poultry.

18. Match the following

Column I Column II

a. Kashmiri goats (i) Superior carpet wool

b. Tibetian antelope (ii) Pashmina

c. Rabbit (iii) Shahtoosh

d. Sheep (Nali) (iv) Angoora

Select the correct option

(1) a(ii), b(iv), c(iii), d(i) (2) a(ii), b(iii), c(iv), d(i)

(3) a(iii), b(ii), c(iv), d(i) (4) a(iii), b(iv), c(ii), d(i)

Sol. Answer (2)

a. Kashmiri goats– Pashmina: fine and soft wool used for shawls.

b Tibetian antelope– Shahtoosh: King of wool.

c. Rabbit– Angoora: Type of wool.

d. Sheep (Nali): Superior carpet wool.

(Bee-keeping)

19. Rearing of bees is

(1) Horticulture (2) Apiary (3) Apiculture (4) Poultry

Sol. Answer (3)

Horticulture– is the branch of agriculture that deals with the art, science, technology and business of plant

cultivation.

Apiary– is a place where beehives of honey bees are kept.

Poultry– is the class of domesticated fowl used for food and for the eggs.



20. The most common species of honeybee reared commercially in artificial hives in India is

(1) Apis indica

(2) Apis florea

(3) Apis mellifera

(4) Apis dorsata

Sol. Answer (3)

It is an exotic breed of honeybee. It is also called as European honeybee or Italian bee.

This species of honeybee reared commercially in artificial hives in India because it is a better or efficient honey

producer than other Indian species. So to fulfill the needs of increasing population it is reared artificially.

Apis indica– Most common Indian species of honeybee.

Apis florea– Little bee or smallest honeybee.

Apis dorsata– The giant bee or rock bee. It is a defensive bee and it is not domesticated.

21. A queen honeybee lays eggs of

(1) One type from which all castes develop

(2) Two types, one forming queen and workers and second type forming drones

(3) Three types forming queen, drone and workers

(4) Unfertilized eggs die while fertilized ones form all castes

Sol. Answer (2)

Queen lays two types of eggs–

Fertilized eggs – Forms queen and workers.

Unfertilized eggs – Forms drones (Parthenogenesis).

(Fisheries)

22. Which of the following are edible marine fishes?

(1) Hilsa, Catla, Sardines

(2) Sardines, Mackerel, Rohu

(3) Pomfret, Sardines, Mackerel

(4) Mackerel, Pomfret, Common carp

Sol. Answer (3)

Catla, Rohu and common carp are fresh water fishes.

23. Aquaculture does not include production of

(1) Useful aquatic plants (2) Fish

(3) Prawns (4) Silk

Sol. Answer (4)

Aquaculture includes all aquatic animals and plants production, which are useful to humans.

Production of silk is sericulture.



(Sericulture)

24. Pebrine in silkworm is caused by

(1) Dugesia (2) Monocystis (3) Nosema (4) Tachina flies

Sol. Answer (3)

Nosema bombycis causes pebrine disease in silkworm.

25. Shahtoosh is obtained from

(1) Lohi (2) Patanwadi (3) Chiru (4) Marwari

Sol. Answer (3)

Chiru is a Tibetian antelope. Shahtoosh– King of wools.

Lohi (breed of sheep)– Good quality wool, milk.

Patanwadi (breed of sheep)– Wool for army hosiery.

Marwari (breed of sheep)– Coarse wool.

26. Stage of silkworm from which silk is obtained

(1) Cocoon (2) Adult (3) Larva (4) Egg

Sol. Answer (1)

Larva secretes silk.

SECTION - B

Previous Years Questions

1. Select the incorrect statement. [NEET-2019]

(1) Inbreeding increases homozygosity

(2) Inbreeding is essential to evolve purelines in any animal.

(3) Inbreeding selects harmful recessive genes that reduce fertility and productivity

(4) Inbreeding helps in accumulation of superior genes and elimination of undesirable genes

Sol. Answer (3)

Inbreeding exposes harmful recessive genes that are eliminated by selection. It also helps in accumulation of

superior genes and elimination of less desirable genes. Therefore this is selection at each step, increase the

productivity of inbred population. Close and continued inbreeding usually reduces fertility and even productivity.

2. Homozygous purelines in cattle can be obtained by

[NEET- 2017]

(1) Mating of related individuals of same breed (2) Mating of unrelated individuals of same breed

(3) Mating of individuals of different breed (4) Mating of individuals of different species

Sol. Answer (1)

Inbreeding results in increase in the homozygosity. Therefore, mating of the related individuals of same breed

will increase homozygosity.

3. Which of the following diseases is caused by a protozoan? [Re-AIPMT- 2015]

(1) Blastomycosis (2) Syphilis (3) Influenza (4) Babesiosis

Sol. Answer (4)

Babesiosis is a disease caused by a protozoan, Babesia bigemina. The vector is tick, so disease is also called

tick fever in cattle.



4. Outbreeding is an important strategy of animal husbandry because it [Re-AIPMT- 2015]

(1) Exposes harmful recessive genes that are eliminated by selection.

(2) Helps in accumulation of superior genes.

(3) Is useful in producing purelines of animals.

(4) Is useful in overcoming inbreeding depression

Sol. Answer (4)

A single outcross (a type of outbreeding) is useful in overcoming inbreeding depression.

5. Which one of the following is viral disease of poultry? [AIPMT (Prelims)-2007]

(1) Pasteurellosis (2) Salmonellosis (3) Coryza (4) New Castle disease

Sol. Answer (4)

New Castle disease– Caused by New Castle disease virus (NDV).

Coryza-Bacterial disease: Haemophilus paragallinarum.

Pasteurellosis– Bacterial disease: Pasteurella

Salmonellosis– Bacterial disease: Salmonella

6. In cloning of cattle a fertilized egg is taken out of the mother’s womb and [AIPMT (Prelims)-2007]

(1) From this upto eight identical twins can be produced

(2) The egg is divided into four pairs of cells which are implanted into the womb of others cows

(3) In the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted

into the womb of other cows

(4) In the eight cell stage the individual cells are separated under electrical field for further development in

culture media

Sol. Answer (3)

7. The causative agent of mad-cow disease is a [AIPMT (Prelims)-2006]

(1) Bacterium (2) Prion

(3) Worm (4) Virus

Sol. Answer (2)

8. The world’s highly prized wool yielding ‘Pashmina’ breed is [AIPMT (Prelims)-2005]

(1) Sheep (2) Goat

(3) Goat-sheep cross (4) Kashmir sheep-Afghan sheep cross

Sol. Answer (2)

Fact.

9. The term aquaculture means

(1) Inland fisheries (2) Culture fishery only

(3) Marine fisheries (4) Both (1) & (3)

Sol. Answer (4)

Aquaculture involves production of all useful aquatic plants and animals. It involves both inland and marine

fisheries.



10. Mating of more closely related individuals within the same breed for 4-6 generation is

(1) Outbreeding

(2) Interspecific breeding

(3) Inbreeding

(4) Cross breeding

Sol. Answer (3)

Interspecific breeding– Mating of different species.

Cross-breeding– Mating of different breeds of same species.

11. Inland fisheries involve

(1) Culturing fish in ponds

(2) Culturing endogenous breed of fish in deep sea and coastal areas

(3) Culturing exotic breed of fish in estuaries

(4) Culturing any breed of fish in marine water

Sol. Answer (1)

Inland fisheries include fresh water fisheries.

Deep sea and coastal areas, Estuaries, Marine water, all are marine water sources

12. Inbreeding depression occurs due to

(1) Continued out crossing within the small local population

(2) Continued cross breeding within the small local population

(3) Continued inbreeding within the small local population

(4) Interspecific hybridisation

Sol. Answer (3)

Continued inbreeding reduces fertility and even productivity.

13. Fishery is an industry devoted

(1) To the catching of fishes

(2) To the catching and processing of fishes and shell fishes

(3) To the catching, processing and selling of fishes, shell fishes, crabs, prawns etc.

(4) All of these

Sol. Answer (4)

Fact.

14. Which of the following types of bees intimate source of food to other workers by dancing movements?

(1) Drones (2) Scout bees (3) Nurse bees (4) Queen bees

Sol. Answer (2)

Drones– Fertile males: Fertilize the queen.

Queen bees– Fertile females: Give birth to new bees or offspring.

Nurse bees– Worker bee that look after young ones.



15. Which one is wrongly matched?

(1) Apiculture – Honey bee only

(2) Aquaculture – Fish only

(3) Sericulture – Silk moth only

(4) Poultry – Ducks

Sol. Answer (2)

Aquaculture involves production of all aquatic plants and animals.

16. Three carp fishes, Catla, Labeo and Cirrhina, can be grown together in the same pond more economically,

as they have

(1) Positive interactions (2) Commensalism

(3) Symbiosis (4) No competition for food

Sol. Answer (4)

As these carps have different feeding habits.

17. Out-crossing, cross-breeding and interspecific hybridization are included in

(1) Inbreeding (2) Out-breeding

(3) Inbreeding depression (4) Farm management

Sol. Answer (2)

Farm management: Management of farm like poultry farm, dairy farm etc.

18. In polyculture two or more than two species of fishes are grown together in the same water body based on

their

(1) Size (2) Feeding habits (3) Reproductive habit (4) Mode of respiration

Sol. Answer (2)

Different fishes can be cultured together as they have different feeding habits so there will be no competition

for food.

19. Which of the following animal diseases is caused by a virus?

(1) Anthrax (2) Rinderpest (3) Tick fever (4) Coccidiosis

Sol. Answer (2)

Anthrax– Bacterial disease

Tick fever– Protozoan disease

Coccidiosis– Protozoan disease.

20. Mark the viral disease in cattle

(1) Cattle plague

(2) Anthrax

(3) Foot and mouth disease

(4) Both (1) & (3)

Sol. Answer (4)



21. White revolution is associated with enhancement of

(1) Fish production (2) Egg production

(3) Milk production (4) Wheat and rice production

Sol. Answer (3)

Fish production – Blue revolution

Egg production – Silver revolution.

Wheat and rice production – Green revolution.

22. Brooders pneumonia disease is connected with

(1) Honey bee (2) Hens (3) Fish (4) Pigs

Sol. Answer (2)

Brooders pneumonia is a fungal disease of poultry and observed in almost all birds.

23. Shahtoosh, the king of wools is obtained from

(1) Chiru (2) Kashmiri goat (3) Merino sheep (4) Rabbit

Sol. Answer (1)

Kashmiri goat– Pashmina

Merino sheep (exotic breed)– Soft and fine wool

Rabbit– Angoora wool

24. Tassar silk is obtained from

(1) Antherea roylei (2) Bombyx mori (3) Apis indica (4) Apis dorsata

Sol. Answer (1)

Tassar silk is obtained from oak-feeding larvae of silk moth. Mulberry silk is obtained from Bombyx mori.

Apis indica and Apis dorsata are different species of honey bees.

25. A protozoan disease of silk worm is

(1) Muscardine (2) Pebrine (3) Maggot disease (4) Flacherie

Sol. Answer (2)

Muscardine– Fungal disease

Flacherie– Viral disease

Maggot disease– Parasite larvae of fly.

26. Which among the following is the real product of the honey bee?

(1) Honey (2) Propolis (3) Pollen (4) Bee wax

Sol. Answer (4)

It is secreted by abdominal wax glands of the worker bees.

Honey– is made by using nectar of flowers.

Propolis– it is a plant product. It is a resin from pollen grains.

Pollen– it is a fine coarse powder containing microgametophytes of seed plants. The worker bees collect pollen

in their pollen basket on their hind legs.



27. High milk yielding varieties of cows are obtained by

(1) Use of surrogate mothers (2) Super ovulation

(3) Artificial insemination (4) All of these

Sol. Answer (4)

They are part of MOET.

28. Choose the species of honey bee that is most commonly found in Indian subcontinent

(1) Apis mellifera (2) Apis dorsata (3) Apis florea (4) Apis indica

Sol. Answer (4)

Apis mellifera– Italian bee.

Apis indica– Most common Indian species of honeybee.

Apis florea– Little bee or smallest honeybee.

Apis dorsata– The giant bee or rock bee. It is a defensive bee and it is not domesticated.

29. Entomophily through bees has resulted in enhanced production of crops, except

(1) Sunflower (2) Strawberry (3) Pears (4) Banana

Sol. Answer (4)

Entomophily– Pollination by insects

Banana crops do not exhibit pollination as their seeds are formed parthenogenetically.

SECTION - C

Assertion-Reason Type Questions

1. A : Bulls not selected for breeding are castrated when young and converted to bullocks.

R : They are the main source of animal drought power in India.

Sol. Answer (2)

Castrated bulls are also used as drought animals.

2. A : Anthrax is caused by a bacterium.

R : Anthrax develops only in buffaloes and can't be transferred to humans.

Sol. Answer (3)

Anthrax can develop in cattle, buffaloes, horses, sheep, goats and it can be transferred to human.

3. A : In anthrax, the animal dies due to lack of oxygen.

R : The anthrax bacterium uses up the oxygen carried by the animal blood.

Sol. Answer (1)

4. A : Goat is called 'poor man's cow'.

R : It yields only a small quantity of milk.

Sol. Answer (1)



5. A : Multivoltine silkworms give upto eight crops per year.

R : Their cocoons contain a small amount of silk.

Sol. Answer (2)

Multivoltine silkworms are found in Bengal and Karnataka..

6. A : Sericin is a gummy substance which is usually retained in case of silk till the yarn or fabric stage.

R : Sericin gives protection during processing.

Sol. Answer (1)

7. A : Poultry farming has definite advantage over live-stock rearing.

R : Poultry birds are easy to raise, can be acclimatised to a wide range of climatic conditions, have short life

span and are prolific breeders.

Sol. Answer (1)

8. A : Encephalomalacia, disease of poultry is caused by the protozoan Eimeria.

R : Encephalomalacia causes bloody diarrhoea in poultry.

Sol. Answer (4)

Encephalomalacia, disease of poultry is caused by deficiency of vitamin E in which softening of brain tissue

occurs.

9. A : Fish meal is a rich source of protein for cattle and poultry.

R : Fish meal is prepared from the non-edible parts of fishes such as tails, fins and bones.

Sol. Answer (2)

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objective type questions (management of farms and farm

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