Transgenic Animals Quiz | Transgenic Animals Multiple Choice Questions and Answers

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Questions
1 Some types of variation are due to changes in the genetic material. What is this type of change called?
A Fertilisation
B Mutation
C Radiation
D Sterilisation

Answer: Mutation
2 Which of the following gene have been introduced into the transgenic fish?
A E. coli gene for β-galactosidase
B Human or rat gene for growth hormone
C Chicken gene for delta crystalline protein
D All of the above

Answer: All of the above
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3 Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by
A vegetative propagation
B vegetative initiation
C vegetative termination
D None of the above

Answer: vegetative propagation
4 Which of the following is/are the method of transfection for making transgenic animals?
A Transfer of DNA
B Transfer of whole individual chromosomes or fragment
C Transfer of whole nuclei
D All of the above

Answer: All of the above
5 DNA microinjection into the egg has been used to produce which of the following transgenic animals?
A Pigs
B Chicken
C Mice
D All of these

Answer: All of these
6 If controlled inactivation of a gene is carried out and some of the consequences when inactivation of a target gene is deleterious are avoided. It is referred as ____________
A Conditional Gene Targeting
B Specialized Gene Targeting
C Controlled Gene Targeting
D Specific Gene Targeting

Answer: Conditional Gene Targeting
7 The technique, mainly used for the diagnosing birth defects in the fetus by means of needle, is called
A Amniocentesis
B Ectogensis
C Transplantation
D All Of The Above

Answer: Amniocentesis
8 DNA is microinfected into the fertilized egg
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

Answer: Before The Fusion Of Male And Female Nuclei
9 Which of the following statements is false?
A Continuous variation produces a spread of variation within a population
B Discontinuous variation is the result of genetics alone
C Blood group is an example of discontinuous variation
D Discontinuous variation is influenced by the environment

Answer: Discontinuous variation is influenced by the environment
10 The number of follicles at any particular stage is governed by
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

Answer: All Of The Above
11 When the cells are enucleated and centrifuged, nuclei
A detach from cell and settle at the bottom
B detach from cell and remain in the supernatant
C nuclei remain attached to the cell
D None of the above

Answer: detach from cell and settle at the bottom
12 Superovulation is an
A decreased ovulatory response by internal hormonal therapy
B increased ovulatory response by internal hormonal therapy
C increased ovulatory response by external hormonal therapy
D decreased ovulatory response by external hormonal therapy

Answer: increased ovulatory response by external hormonal therapy
13 Which of the following best describes artificial insemination?
A Transplanting an embryo into the uterus
B Taking the sperm and placing it directly
C Fertilization of an egg in a test tube
D Selectively breeding healthy animals

Answer: Taking the sperm and placing it directly
14 Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by
A Vegetative Propagation
B Vegetative Initiation
C Vegetative Termination
D None Of These

Answer: Vegetative Propagation
15 Which of the following is/are the method of transfection for making transgenic animals?
A Transfer of DNA
B Transfer of whole individual chromosomes or fragment
C Transfer of whole nuclei
D All of the above

Answer: All of the above
16 Which of the following statement is correct?
A Variation is caused by genes
B Variation is caused by the environment
C Variation can be caused by both genes and the environment
D None of the above

Answer: Variation is caused by genes
17 Which of the following gene have been introduced into the transgenic fish?
A E. coli gene for β-galactosidase
B Chicken gene for delta crystalline protein
C Human or rat gene for growth hormone
D All of the above

Answer: All of the above
18 Which of these carries the thousands of genes needed to allow animal and plant cells to pass on inherited characteristics?
A Chromosomes
B Chromatogram
C Chromatography
D Chromium

Answer: Chromosomes
19 Animal pharming can be defined as
A programming animals to produce novel products
B growing animals for farming
C generating transgenic animals for farming
D none of the above

Answer: programming animals to produce novel products
20 For the transfer of whole individual chromosomes, they are isolated from the cells at
A Prophase
B Metaphase
C Telophase
D Anaphase

Answer: Metaphase

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