Interspecific Breeding

Q.

Differentiate between:- monohybrid and dihybrid cross

Q. Interspecific hybridisation is the mating of

1. 
   animals within same breed without having common ancestors
2. 
   two different related species
3. 
   superior males and females of different breeds
4. 
   more closely related individuals within same breed for 4–6 generations

Q. A cross between a male donkey and female horse produces a mule which is infertile.

1. True
2. False

Q. “Gametes are never hybrid”. It is a statement of law of

1. dominance
2. segregation
3. independent assortment
4. random fertilization

Q. Difine species ?

Q.

From the list of animals given below, identify how many of them show the monoestrous type of reproductive cycle.

Dogs, sheep, bears, monkeys, horses, foxes

1. Four
2. Three
3. Two
4. One

Q. Assertion: Species are groups of potentially interbreeding natural populations which are isolated from other such groups.

Reason: Distinctive morphological characters are displayed due to reproductive isolation.

1. If both assertion and reason are true and reason is the correct explanation of assertion
2. If both assertion and reason are true but reason is not the correct explanation of assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false

Q. Which of the following statement(s) is/are correct?

(i) Out-breeding is the breeding of unrelated animals which may be between individuals of the same breed but having no common ancestors for 4 - 6 generations or between different breeds or between different species.

(ii) Cross breeding allows the desirable qualities of two different breeds to be combined.

(iii) In interspecific hybridisation, male and female animals of two different but related species are mated.

1. Only (i)
2. All of these
3. Only (iii)
4. Both (ii) and (iii)

Q. Assertion : A major advantage of tissue culture is protoplast fusion.

Reason : A hybrid is formed by the fusion of
naked protoplasts of two plants.

1. If both assertion and reason are true and reason is the correct explanation of assertion
2. If both assertion and reason are true but reason is not the correct explanation of assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false

Q. Hinny is a hybrid offspring of a

1. male horse and a female donkey
2. male donkey and a female horse
3. lion and a tigress
4. sheep and a goat

Q. If we mated males and females of different species what type of breeding are we carrying out:

1. Intraspecific hybridization
2. Outbreeding
3. Outcrossing
4. Interspecific hybridization

Q. Interspecific hybridization is the mating of

1. more closely related individuals within same breed for 4-6 generations
2. animals within same breed without having common ancestors
3. two different related species
4. superior males and females of different breeds

Q. Select the odd one out w.r.t out-breeding

1. Zorse
2. Tigon
3. Liger
4. Hisardale

Q.

Individuals of one population can interbreed with individuals of another population if they belong to the same

1. family

2. species

3. genus

4. order

Q.

Two plants can be conclusively said to belong to the same species if they:

1. have more than 90% similar genes

2. can produce freely with each other and form seeds

3. look similar and possess identical secondary metabolite

4. have same number of chromosomes

Q. A horse and a donkey can bread to produce mule which is an infertile animal. The infertility is because horse and donkey belong to different

1. Class
2. Order
3. Species
4. Genus

Q. Interspecific hybrid "Tigon" is
(i) Sterile hybrid (ii) Fertile hybrid (iii) Male lion and female tiger (iv) Male tiger and female lion
Choose the correct statements

1. i and iii
2. ii and iii
3. ii and iv
4. i and iv

Q. Read the following statements (A - C) and identify which of the following statements are correct related to the significance of interspecific hybridization?

A. The progeny obtained from interspecific hybridization is different from both the parents.
B. They may be of considerable economic importance.
C. In some cases, the progeny may combine desirable features of both the parents.

1. A and B
2. A, B and C
3. A and C
4. B and C

Q. Which one of the following statements regarding pomato is correct?

1. It is a product of somatic hybridization
2. It is obtained by gene manipulation
3. It is a natural hybrid product of sexual reproduction
4. It is the fusion product of archegonia and antheridia

Q. A taxonomic group of closely related genera is known as?

1. Species
2. Order
3. Family
4. Class

Q.

Selective breeding can not produce a high yielding variety.

1. True
2. False

Q. Mule is a product of

1. Breeding
2. Mutation
3. Hybridisation
4. Interspecific hybridisation

Q. Read the following statements (A - C) and identify which of the following statements are correct related to the significance of interspecific hybridization?

A. The progeny obtained from interspecific hybridization is different from both the parents.
B. They may be of considerable economic importance.
C. In some cases, the progeny may combine desirable features of both the parents.

1. A and B
2. A, B and C
3. A and C
4. B and C

Q.

Mule is produced by:

1. Selection

2. Inbreeding

3. Interspecific hybridisation

4. Cross-breeding

Q.

Mule is produced by:

1. Inbreeding

2. Selection

3. Interspecific hybridisation

4. Cross-breeding

Q. Hinny is a hybrid offspring of a

1. male horse and a female donkey
2. male donkey and a female horse
3. tiger and lioness
4. sheep and a goat

Q. Mule is a hybrid. Which of the following statement, is correct?

1. Mule represents a common ancestor of horse and ass
2. Mule is a new species
3. Mule is not a species
4. Horse and ass are two populations

Q. Interspecific hybridization is the mating of

1. More closely related individuals within the same breed for 4-6 generations
2. Animals within the same breed without having common ancestors
3. Two different related species
4. Superior males and females of different breeds

Q. Assertion :Species are groups of potentially interbreeding natural populations that are isolated from other such groups Reason: Reproductive isolation brings about distinctive morphological characters

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect