Differentiate between inbreeding and outbreeding in cattle. - Biology


Differentiate between inbreeding and outbreeding in cattle.





Mating of closely related individuals within the same breed for 4 − 6 generations.

Breeding the unrelated animals of the same or different breed not having common ancestor.

It cannot be divided into further types.

It includes out-crossing, cross-breeding, and interspecific hybridisation.

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2012-2013 (March) Delhi Set 1


Give the economic importance of ‘fisheries’

Mention the role of ‘genetic mother’ in MOET.

Enumerate any six essentials of good, effective Dairy Farm Management Practices.

Enlist the steps involved in inbreeding of cattle.

What is apiculture? How is it important in our lives?

Discuss the role of fishery in enhancement of food production.

Give reason – ‘Archaeopteryx is called connecting link between reptiles and birds’.

Give the economic importance of lac.

What is inbreeding depression?

Explain the importance of "selection" during inbreeding in cattle

scientific term for an animal behaviour which benefits others but is of no advantage to itself.

What is pisiculture? Give one advantage.

What is artificial insemination? Mention two ways in which it is useful in the breeding of dairy animals

______ is an exotic breed of cow

(A) Gir

(B) Sindhi

(C) Sahiwal

(D) Jersy

State the economic importance of lac culture.

Put a tick mark (✓) against the correct alternative in the following statement:

Which one of the following is a viral disease of poultry?

  1. Ranikhet disease
  2. Cholera
  3. Coryze
  4. Aspergillosis

Name the following:

A kashmiri goat which gives expensive wool ….

Name any four animals which provide us food.

is the following statement true (T) or false (F)? Mark T or F:

Jersey is a good breed of cow.

Name two examples of Egg-yielding animals.

Find the odd one out, giving reason:

Ivory, pearl, silk, dyes

Define the term Apiculture.

Define the term Sericulture.

Define the term Hatchery.

Give a list of useful products obtained from animals.

‘Rearing of sheep is a livestock’. Justify this statement.

Write a short note.

Agro-complementary business

Answer in ‘one’ sentence : 

What is bioaccumulation? 

Enumerate any four essential features of good and effective poultry farm management practices.

Write a short note on Multiple Ovulation Embryo Transfer Technology. 

Answer the following question:
Beekeeping practice is a good income generating industry. Write the different points to be kept in mind for successful beekeeping. Write the scientific name of the most common Indian species used for the purpose.

Answer the following question.
Why is crossbreeding in animals practiced? How is a breed Hisardale developed?

Answer the following question.
Beekeeping practice is a good income generating industry.
Write the different points to be kept in mind for successful beekeeping.
Write the scientific name of the most common Indian species used for the purpose.

Distinguish between the following

Marine Fishing and inland fishing

With very low investments ______ can be made into profitable venture for small farmers.

Fishing done in 20 - 30 miles away from the shore is known as ______.

______ is reared in the arid, semi-arid, and mountainous areas in Tamil Nadu.

______ is the best alternative for rearing in the marginal and undulating lands.

______ is also known as ‘poor man’s cow’.

districts lead in the Inland fish production.

Match the following:-

1. Rearing of birds (a) Apiculture
2. Rearing of honeybees (b) Horticulture
3. Rearing of silkworms (c) Poultry farming
4. Growing fruits (d) Sericulture

______ is also called inshore fishing or neritic fishing.

Give reasons for the following:

Livestock has remained an integral part of the socio-economic fabric of rural people.

In Multiple Ovulation Embryo Transfer, the cow is administered with ______ to induce follicular.

______ is the branch of agriculture.

Find out the correct sentence

  1. Hybridisation means crossing between genetically dissimilar plants
  2. Cross between two varieties is called as interspecific hybridisation
  3. Introducing genes of the desired character into a plant gives genetically modified crop
  4. Cross between plants of two species is called inter varietal hybridisation

Cattle husbandry is done for the following purposes

  1. Milk Production
  2. Agricultural work
  3. Meat production
  4. Egg production

Animal husbandry is the scientific management of

  1. animal breeding
  2. culture of animals
  3. animal livestock
  4. rearing of animals

Name two types of animal feed and write their functions.

Percentage composition of fibroin and sericin in silk is:

The world's highly prized yielding pashmina breed is:

Eri silkworm is grown on:

Which method is used to expose harmful recessive genes? 

More than 70 per cent of livestock population is found in ______.

In animal husbandry, if two closely related animals are mated for a few generations, it results in loss of fertility and vigour. Why is this so?

Why honey bees are called best pollinators?

What is a broiler?

Give a reason All animals are called consumers.

What is lac?


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