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Animal Breeding And Transgenic Animal Online Exam Quiz

Important questions about Animal Breeding And Transgenic Animal. Animal Breeding And Transgenic Animal MCQ questions with answers. Animal Breeding And Transgenic Animal exam questions and answers for students and interviews.

1. In transgenic fish, the genes are introduced by

Options

A : microinjection in fish

B : viruses

C : transfer of whole nuclei

D : all of these

2. Which of the following statements best describes a clone?

Options

A : An artificial life form

B : An offspring where all of the genetic material in every cell is identical to that of both parents

C : An offspring where all of the genetic material in every cell is identical to that of one of its parents

D : A type of sheep

3. Which of the following best describes artificial insemination?

Options

A : Transplanting an embryo into the uterus

B : Fertilization of an egg in a test tube

C : Selectively breeding healthy animals

D : Taking the sperm and placing it directly

4. Which part of a cell carries the information that is passed from one generation to the next?

Options

A : Cell

B : Nucleus

C : Cytoplasm

D : Chloroplast

5. Chromosomes may be isolated from metaphase cells by

Options

A : hypertonic lysis

B : hypotonic lysis

C : either (a) or (b)

D : isotonic lysis

6. The nucleous of mature unfertilized ovum may be removed by

Options

A : irradiation

B : surgery

C : both (a) and (b)

D : neutralization and homogenization

7. Which of the following is the process of choosing parent organisms for the characteristics that is wanted in their offspring?

Options

A : Active selection

B : Reproductive selection

C : Selective breeding

D : Breeding selection

8. Transfection refers to which of the following?

Options

A : Synthesis of mRNA from DNA template

B : Synthesis of protein based on mRNA sequence

C : Introduction of foreign gene in to a cell

D : The process by which a cell become malignant

9. Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema?

Options

A : Plasminogen activator (tPA)

B : ?-anti trypsin (AAT)

C : Casein

D : Amyloid precursor proteins

10. Superovulation is an

Options

A : increased ovulatory response by external hormonal therapy

B : decreased ovulatory response by external hormonal therapy

C : decreased ovulatory response by internal hormonal therapy

D : increased ovulatory response by internal hormonal therapy

1. The technique, mainly used for the diagnosing birth defects in the fetus by means of needle, is called

Options

A : amniocentesis

B : ectogensis

C : transplantation

D : all of the above

2. Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by

Options

A : vegetative propagation

B : vegetative initiation

C : vegetative termination

D : none of these

3. Embryo transfer (ET) refers to the technique by which fertilized ova are collected from the reproductive tract of a genetically

Options

A : superior female and transferred to the inferior

B : inferior female and transferred to the superior

C : balanced female

D : none of the above

4. For the transfer of whole individual chromosomes, they are isolated from the cells at

Options

A : prophase

B : metaphase

C : telophase

D : anaphase

5. The number of follicles at any particular stage is governed by

Options

A : the rate of entry of dormant follicles

B : the rate of growth of follicles

C : the rate of loss of follicles

D : all of the above

6. DNA is microinfected into the fertilized egg

Options

A : after the fusion of male and female nuclei

B : before the fusion of male and female nuclei

C : at the time of fusion of male and female nuclei

D : any time, it can be infected

7. Production of transgenic animals require transfections of

Options

A : eggs or embryos

B : stem cells

C : red blood cells

D : all of these

8. Transgenic goats have been used to produce which of the following protein that is used for dissolving blood clots?

Options

A : Amyloid precursor protein

B : ? 1 -anti trypsin (AAT)

C : Casein

D : A variant of human tissue-type plasminogen activator

9. Fusion of karyoplast with the enucleated cell is achieved in presence of

Options

A : cytochalasin B

B : polyethylene glycol

C : both (a) and (b)

D : alcohol

10. Superovulation is primarily the result of

Options

A : decreased atresia in medium and large follicles (>1.7 mm)

B : increased atresia in medium and large follicles (>1.7 mm)

C : increased atresia in the large follicles (<1.7 mm)

D : decreased atresia in small follicles (<1.7 mm)

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