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- Question
Some types of variation are due to changes in the genetic material. What is this type of change called?
Options- A. Fertilisation
- B. Mutation
- C. Radiation
- D. Sterilisation
- Correct Answer
- Mutation
- 1. Disaggregating of cells can be achieved by
Options- A. physical disruption
- B. enzymatic digestion
- C. treating with chelating agents
- D. all of the above Discuss
- 2. pH of culture medium is initially controlled by
Options- A. presence of CO2
- B. presence of bicarbonate buffer
- C. addition of bases
- D. none of these Discuss
- 3. Higher dissolved oxygen concentration in the culture media are toxic and lead to
Options- A. DNA degradation
- B. lipid peroxidation
- C. metabolism of nutrients in culture media at a rate greater than that required for consumption
- D. all of the above Discuss
- 4. What is the effect of excess accumulation of metabolite products (lactate and ammonium) on cells?
Options- A. They act as growth promoters
- B. They act as growth inhibitors
- C. Have no effect on cells
- D. Lactate helps in the growth while ammonium inhibits the growth Discuss
- 5. How does CO2 help in the cell metabolism during cell culture?
Options- A. It participates in the de novo synthesis of purines and pyrimidines
- B. Helps in the cells respiration
- C. For monitoring pH of the culture
- D. All of the above Discuss
- 6. Genetic change can occur only in
Options- A. one way
- B. two ways
- C. three ways
- D. four ways Discuss
- 7. Animal pharming can be defined as
Options- A. growing animals for farming
- B. programming animals to produce novel products
- C. generating transgenic animals for farming
- D. none of the above Discuss
- 8. Which of the following statement is correct?
Options- 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 Discuss
- 9. Which of the following is/are the method of transfection for making transgenic animals?
Options- A. Transfer of whole nuclei
- B. Transfer of whole individual chromosomes or fragment
- C. Transfer of DNA
- D. All of the above Discuss
- 10. Multiple ovulation and embryo transfer (MOET)
Options- A. can increase the rate of progress in dairy cattle
- B. allows progeny testing of males
- C. allows progeny testing of females
- D. all of the above Discuss
Animal Breeding and Transgenic Animal problems
Search Results
Correct Answer: all of the above
Correct Answer: presence of bicarbonate buffer
Correct Answer: all of the above
Correct Answer: Lactate helps in the growth while ammonium inhibits the growth
Correct Answer: It participates in the de novo synthesis of purines and pyrimidines
Correct Answer: four ways
Correct Answer: programming animals to produce novel products
Correct Answer: Variation is caused by genes
Correct Answer: All of the above
Correct Answer: all of the above
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