Animal Biotechnology MCQS

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1. . Which of the following is not a type of animal biotechnology?
(A) Cloning
(B) Genetic engineering
(C) Microbial fermentation
(D) Artificial selection

2. . What is the primary goal of animal biotechnology?
(A) Create genetically modified superhumans
(B) Improve animal health and productivity
(C) Replace natural ecosystems with engineered animals
(D) Develop bio-weapons using animal genes

3. . Which enzyme is commonly used in DNA cloning techniques?
(A) Polymerase chain reaction (PCR)
(B) Restriction endonuclease
(C) Ligase
(D) Reverse transcriptase

4. . What is the purpose of transgenic animal technology?
(A) To produce animals with enhanced resistance to diseases
(B) To create animals with superior intelligence
(C) To increase the lifespan of animals
(D) To eliminate the need for animal testing

5. . What is a “knockout mouse”?
(A) A mouse with enhanced physical abilities
(B) A mouse lacking a specific gene
(C) A mouse genetically engineered to produce human hormones
(D) A mouse with fluorescent fur

6. . Which technique is used to transfer genes into animal cells?
(A) Electroporation
(B) Radioactive labeling
(C) Immunohistochemistry
(D) Gel electrophoresis

7. . Which of the following is a potential application of animal biotechnology in agriculture?
(A) Producing drought-resistant crops
(B) Increasing soil fertility
(C) Developing biofuels
(D) Enhancing livestock breeding programs

8. . What is the role of stem cells in animal biotechnology?
(A) To regulate gene expression
(B) To repair damaged tissues
(C) To produce antibodies
(D) To synthesize proteins

9. . Which animal was the first to be successfully cloned?
(A) Dog
(B) Sheep
(C) Cow
(D) Chicken

10. . What is the function of CRISPR-Cas9 in animal biotechnology?
(A) To amplify DNA fragments
(B) To create transgenic animals
(C) To edit specific genes
(D) To clone entire organisms

11. . What is xenotransplantation?
(A) Transplanting organs between different species
(B) Transplanting organs from animals to humans
(C) Transplanting organs between identical twins
(D) Transplanting artificial organs

12. . Which of the following is a challenge faced in animal cloning?
(A) Rapid growth of cloned animals
(B) Genetic diversity in offspring
(C) High success rates in cloning
(D) Ethical concerns

13. . What is the significance of gene editing in livestock?
(A) It allows for the creation of designer pets
(B) It enhances the flavor of meat products
(C) It improves disease resistance and productivity
(D) It reduces animal lifespan

14. . What is somatic cell nuclear transfer (SCNT)?
(A) A technique to isolate stem cells from embryos
(B) A method to transfer genes into somatic cells
(C) A process used in cloning animals
(D) A type of in vitro fertilization

15. . Which type of animal is commonly used in biomedical research?
(A) Dolphins
(B) Primates
(C) Reptiles
(D) Rodents

16. . What is the purpose of gene knockout studies in animals?
(A) To create animals with superior physical traits
(B) To study the effects of specific gene deletions
(C) To enhance animal intelligence
(D) To increase reproductive rates

17. . Which technique is used to detect specific proteins in tissues?
(A) Polymerase chain reaction (PCR)
(B) Southern blotting
(C) Western blotting
(D) Northern blotting

18. . How does gene editing differ from genetic engineering?
(A) Gene editing involves only plants, while genetic engineering involves animals.
(B) Gene editing is a more precise form of genetic engineering.
(C) Gene editing requires the use of viruses, while genetic engineering does not.
(D) Gene editing cannot be used to modify animal genomes.

19. . Which animal biotechnology technique is used to create genetically identical copies of an organism?
(A) DNA fingerprinting
(B) RNA interference
(C) Cloning
(D) Gene therapy

20. . What is the role of bioreactors in animal biotechnology?
(A) To produce artificial organs
(B) To clone animals
(C) To grow cells or tissues in controlled environments
(D) To study animal behavior

21. . Which of the following is an example of a genetically modified organism (GMO) in animal biotechnology?
(A) A plant engineered to produce a vaccine for animals
(B) A cow with increased milk production due to gene editing
(C) A virus designed to infect specific animal species
(D) A bacterium used to clean up environmental pollution

22. . What is the significance of in vitro fertilization (IVF) in animal breeding?
(A) It allows for the creation of hybrid animals
(B) It increases the chances of successful fertilization
(C) It prevents genetic mutations in offspring
(D) It reduces the need for natural mating

23. . Which of the following is an ethical consideration in animal biotechnology?
(A) Increasing biodiversity
(B) Ensuring animal welfare
(C) Promoting genetic homogeneity
(D) Using animals for entertainment purposes

24. . What is the role of genetic markers in animal biotechnology?
(A) To identify individuals within a species
(B) To induce mutations in genes
(C) To determine the age of animals
(D) To control gene expression

25. . Which animal is commonly used in the production of therapeutic proteins through biotechnology?
(A) Fish
(B) Cows
(C) Birds
(D) Insects

26. . What is the function of RNA interference (RNAi) in animal cells?
(A) To repair damaged DNA
(B) To regulate gene expression
(C) To synthesize proteins
(D) To increase cell division

27. . Which of the following is an example of animal biotechnology in environmental conservation?
(A) Cloning endangered species
(B) Engineering new species
(C) Creating synthetic ecosystems
(D) Eliminating natural habitats

28. . What is the role of bioinformatics in animal biotechnology?
(A) To analyze DNA sequences
(B) To develop vaccines
(C) To study animal behavior
(D) To synthesize proteins

29. . What is the function of CRISPR in animal genome editing?
(A) To amplify gene expression
(B) To cut and edit specific DNA sequences
(C) To induce mutations randomly
(D) To study protein structures

30. . Which of the following is a benefit of using animal biotechnology in medicine?
(A) Reduced healthcare costs
(B) Increased availability of organs for transplantation
(C) Improved patient outcomes
(D) All of the above

31. . What is the purpose of gene mapping in animal biotechnology?
(A) To identify genetic disorders
(B) To determine an animal's age
(C) To clone animals
(D) To produce genetically modified crops

32. . Which of the following is an example of gene therapy in animals?
(A) Treating cancer with chemotherapy
(B) Administering antibiotics to livestock
(C) Correcting genetic disorders using CRISPR-Cas9
(D) Vaccinating animals against diseases

33. . How does RNA interference (RNAi) differ from gene editing?
(A) RNAi targets RNA molecules, while gene editing targets DNA.
(B) RNAi is used only in plants, while gene editing is used in animals.
(C) RNAi induces mutations, while gene editing does not.
(D) RNAi and gene editing are synonymous terms.

34. . Which technique is commonly used to produce genetically modified animals?
(A) Polymerase chain reaction (PCR)
(B) Microarray analysis
(C) Transfection
(D) Fertilization

35. . What is the primary purpose of using animal biotechnology in pharmaceuticals?
(A) To reduce the cost of drug production
(B) To develop new antibiotics
(C) To create genetically engineered pets
(D) To produce therapeutic proteins and antibodies

36. . Which of the following is a potential risk associated with genetically modified animals?
(A) Increased biodiversity
(B) Enhanced disease resistance
(C) Environmental impact
(D) Improved food security

37. . How does CRISPR-Cas9 technology impact animal welfare?
(A) It enhances animal intelligence
(B) It reduces the occurrence of genetic diseases
(C) It increases the need for animal testing
(D) It has no effect on animal welfare

38. . Which animal biotechnology technique is used to study gene expression patterns?
(A) RNA interference (RNAi)
(B) Gene knockout
(C) Microarray analysis
(D) Polymerase chain reaction (PCR)

39. . What is the significance of genomics in animal biotechnology?
(A) It studies the interactions between genes and the environment.
(B) It focuses on the study of individual genes.
(C) It analyzes the entire genetic makeup of an organism.
(D) It creates new species through genetic engineering.

40. . Which of the following is an example of using animal biotechnology for food production?
(A) Cloning endangered species for conservation
(B) Genetically engineering crops for increased yield
(C) Producing insect-resistant plants
(D) Developing biofuels from animal waste

41. . How do transgenic animals differ from genetically modified organisms (GMOs)?
(A) Transgenic animals are only used in agriculture, while GMOs are used in medicine.
(B) Transgenic animals contain genes from other species, while GMOs do not.
(C) Transgenic animals are always clones, while GMOs are not.
(D) Transgenic animals and GMOs are interchangeable terms.

42. . What is the primary reason for using animal biotechnology in conservation efforts?
(A) To increase the population of invasive species
(B) To create genetically modified ecosystems
(C) To preserve endangered species and biodiversity
(D) To eliminate natural habitats for human use

43. . Which technique is used to determine the sequence of nucleotides in a DNA molecule?
(A) Southern blotting
(B) Gel electrophoresis
(C) DNA sequencing
(D) Northern blotting

44. . What is the role of recombinant DNA technology in animal biotechnology?
(A) To produce genetically identical clones
(B) To transfer genes between different organisms
(C) To study animal behavior
(D) To increase genetic diversity

45. . Which of the following is an example of using animal biotechnology for environmental remediation?
(A) Creating genetically modified trees for timber production
(B) Using bacteria to clean up oil spills
(C) Developing hybrid crops for sustainable agriculture
(D) Cloning endangered species for zoos

46. . How does artificial insemination contribute to animal biotechnology?
(A) It prevents natural breeding in animals
(B) It improves the success rate of breeding programs
(C) It eliminates the need for genetic testing
(D) It reduces animal lifespan

47. . What is the significance of epigenetics in animal biotechnology?
(A) It studies the interactions between genes and the environment.
(B) It focuses on creating genetically modified animals.
(C) It analyzes DNA sequences for mutations.
(D) It studies animal behavior patterns.

48. . Which of the following is a limitation of animal biotechnology in commercial applications?
(A) High cost of technology
(B) Lack of public interest
(C) Limited availability of genetically modified organisms
(D) Ethical concerns regarding animal welfare

49. . What is the role of gene expression profiling in animal biotechnology?
(A) To identify genetic disorders
(B) To study how genes are turned on or off
(C) To create genetically modified organisms
(D) To clone animals

50. . Which animal biotechnology technique is used to track gene expression over time?
(A) Fluorescence in situ hybridization (FISH)
(B) Reverse transcriptase-polymerase chain reaction (RT-PCR)
(C) Southern blotting
(D) Gene knockout

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