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Home⇒ Medical Science⇒ Biotechnology⇒ Animal breeding and transgenic animal
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ Which of the following is/are the method of transfection for making transgenic animals? All of the above [other wrong options] [Discuss in forum] Transfer of whole nuclei Transfer of whole individual chromosomes or fragment Transfer of DNA |
Q2 ⇒ When the cells are enucleated and centrifuged, nuclei detach from cell and settle at the bottom [other wrong options] [Discuss in forum] detach from cell and remain in the supernatant nuclei remain attached to the cell none of the above |
Q3 ⇒ The nucleous of mature unfertilized ovum may be removed by both (a) and (b) [other wrong options] [Discuss in forum] irradiation surgery neutralization and homogenization |
Q4 ⇒ Superovulation is an increased ovulatory response by external hormonal therapy [other wrong options] [Discuss in forum] decreased ovulatory response by external hormonal therapy decreased ovulatory response by internal hormonal therapy increased ovulatory response by internal hormonal therapy |
Q5 ⇒ Karyoplast is nuclei with only some residual plasma membrane [other wrong options] [Discuss in forum] cells devoid of cell wall nuclei cell with nucleus |
Q6 ⇒ Chromosomes may be isolated from metaphase cells by hypotonic lysis [other wrong options] [Discuss in forum] hypertonic lysis either (a) or (b) isotonic lysis |
Q7 ⇒ In transgenic fish, the genes are introduced by microinjection in fish [other wrong options] [Discuss in forum] viruses transfer of whole nuclei all of these |
Q8 ⇒ Enucleation of the cells can be achieved by treating the cells with cytochalasin B [other wrong options] [Discuss in forum] polyethylene glycol both (a) and (b) alcohol |
Q9 ⇒ Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema? α-anti trypsin (AAT) [other wrong options] [Discuss in forum] Plasminogen activator (tPA) Casein Amyloid precursor proteins |
Q10 ⇒ DNA is microinfected into the fertilized egg before the fusion of male and female nuclei [other wrong options] [Discuss in forum] after the fusion of male and female nuclei at the time of fusion of male and female nuclei any time, it can be infected |
Q11 ⇒ Animal pharming can be defined as programming animals to produce novel products [other wrong options] [Discuss in forum] growing animals for farming generating transgenic animals for farming none of the above |
Q12 ⇒ The technique, mainly used for the diagnosing birth defects in the fetus by means of needle, is called amniocentesis [other wrong options] [Discuss in forum] ectogensis transplantation all of the above |
Q13 ⇒ Some types of variation are due to changes in the genetic material. What is this type of change called? Mutation [other wrong options] [Discuss in forum] Fertilisation Radiation Sterilisation |
Q14 ⇒ Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by vegetative propagation [other wrong options] [Discuss in forum] vegetative initiation vegetative termination none of these |
Q15 ⇒ Genetic change can occur only in four ways [other wrong options] [Discuss in forum] one way two ways three ways |
Q16 ⇒ The number of follicles at any particular stage is governed by all of the above [other wrong options] [Discuss in forum] the rate of entry of dormant follicles the rate of growth of follicles the rate of loss of follicles |
Q17 ⇒ Which of the following statement is correct? Variation is caused by genes [other wrong options] [Discuss in forum] Variation is caused by the environment Variation can be caused by both genes and the environment None of the above |
Q18 ⇒ Which of the following statements is false? Discontinuous variation is influenced by the environment [other wrong options] [Discuss in forum] Continuous variation produces a spread of variation within a population Discontinuous variation is the result of genetics alone Blood group is an example of discontinuous variation |
Q19 ⇒ Transfection refers to which of the following? Introduction of foreign gene in to a cell [other wrong options] [Discuss in forum] Synthesis of mRNA from DNA template Synthesis of protein based on mRNA sequence The process by which a cell become malignant |
Q20 ⇒ Which of the following statements best describes a clone? An offspring where all of the genetic material in every cell is identical to that of one of its parents [other wrong options] [Discuss in forum] An artificial life form An offspring where all of the genetic material in every cell is identical to that of both parents A type of sheep |
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