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Free download in PDF Transgenic Animals Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
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