Here we are providing Class 12 Biology Objective In English Chapter – 12 Biotechnology and its Applications include all questions presented in the Biology Class 12 books. Candidates can enlist the help of the Biology Class 12 Objective in English on the next page and gain a deeper understanding of the concepts. Class 12 Biology Objective in English Chapter – 12 Biotechnology and its Applications is designed by our team of subject matter experts to help students prepare for exams. English students can view the PDF of the Class 12 Biology Objective on the page below. From the Biology Book English Questions and Answers on this page, students will learn how to correctly solve problems.
Remember that the Class 12 Biology Book Objective is the best resource for a good study of the 16 chapters. Use the Class 12 Biology Book Objective as a reference and keep practicing with the answers to questions and exercises until you improve your answers to all chapters of your Class 12 Biology Program. Class 12 Biology Objective in English Chapter – 12 Biotechnology and its Applications will help you solve all Class 12 Biology questions chapter 12 smoothly. if you want more notes for various subject then click here
Class 12 Biology Objective In English Chapter – 12 Biotechnology and its Applications
1. RNAi is used to control pests on which plant ?
( A ) Tobacco
( B ) Mango
( C ) Potato
( D ) Poppy
Ans-( A )
2. Cry IAb controls
( A ) Corn Borer
( B )Wheat Rust
( C ) Cotton insects
( D ) Maize height insects
Ans-( A )
3. Transgenic mice may be used for testing of
( A ) The safety of vaccines
( B )Efficiency of fertilizers
( C )Doses of antibiotics
( D )All of these
Ans-( C )
4. Electrophoresis is used for
( A ) Isolation of DNA
( B ) Separation of RNA
( C ) Separation of Protein
( D ) Separation of above all
Ans-( D )
5. The enzyme to ligate specific site on DNA is
( A ) Lysozyme enzyme
( B ) Restriction enzyme
( C ) Nuclease enzyme
( D ) None of above
Ans-( A )
6. Biolistic or gene gun is used in :
( A ) cutting plasmid
( B ) Ligation of broken DNA segment
( C ) To introduce interspecific DNA
into host cells
( D ) To purify DNA
Ans-( C )
7. Insulin for diabetic persons is obtained from pancreas of which of the following ?
( A ) Pig
( B ) Goat
( C ) Hen
( D ) Buffalo
Ans-( A )
8. Medical Therapy is used for the treatment of a hereditary disease ?
( A ) Allopathy
( B ) Surgery
( C ) Gene therapy
( D ) Other method
Ans-( C )
9. The molecular strcture of Insulin was discovered by
( A ) Korenberg
( B ) Swaminathan
( C ) Richardson
( D ) Sanger
Ans-( D )
10. If blood strain was found from the murder site. What will be the proper way to test for DNA profile ?
( A ) RBC
( B ) WBC
( C ) Platelets
( D ) Plasma
Ans-( B )
11. The permanent treatment of hereditary defect ‘ADA’ (Adenosine Deaminase Deficiency) is done by :
( A ) Enzyme Transfer therapy
( B ) Introduction of Lymphocyte having active ADA & ĆDNA by Genetic engineering
( C ) to activate adenosine deaminase
( D ) Introduction of Bone marrow cells into early embryonic stage.
Ans-( D )
12. In man alzeimer disease is due to deficiency of
( A ) Dopamine
( B ) Glutamic acid
( C ) Acetylcholine
( D ) Gama amino butyric acid
Ans-( C )
13. Monoclonal antibody is obtained from
( A ) one antigen from one parent
( B ) one antigen from many parents
( C ) many antigens from one parent
( D ) many antigens from many parents
Ans-( B )
14. Which of the following organelles is related to genetic engineering ?
( A ) Plastids
( B ) Plasmids
( C ) Mutations
( D ) Hybrid vigour
Ans-( B )
15. Chlorella is a type of
( A ) Bacteria
( B ) Algae
( C ) Protozoa
( D ) Single Cell protein
Ans-( B )
16. ‘Flaver Savr’ is a
( A ) Pesticide
( B ) Chicken breed
( C ) Transgenic Tomato
( D ) Insecticidal Protein
Ans-( C )
17. The first clinical gene therapy was given for
( A ) Adenosine Deaminase Deficiency
( B ) Chicken pox
( C ) Diabetes mellitus
( D ) Rheumatoid Arthritis
Ans-( A )
18. The first transgenic cow was named
( A ) Daisy
( B ) Maizy
( C ) Dolly
( D ) Rosie
Ans-( D )
19. Which of the following enzyme is used to break the bacterial cell wall to release DNA and other bio macro molecules?
( A ) Lysozyme
( B ) Cellulase
( C ) Chitinase
( D ) Collagenase
Ans-( A )
20. Adenosine Deaminase Deficiency can be removed by which of the following?
( A ) Gene therapy
( B ) Antibiotics
( C ) Human growth hormone
( D ) Interferon
Ans-( A )
21. Flavr savr is the transgenic variety of :
( A ) wheat
( B ) tomato
( C ) rice
( D ) cotton
Ans-( B )
22. A strain of golden rice” contains high contents of :
( A ) Vitamin A
( B ) Vitamin K
( C ) Vitamin E
( D ) Vitamin C
Ans-( A )
23. Single Cell Protein (SCP) is obtained from :
( A ) unicellular organisms
( B ) multicellular organisms
( C ) bacteria only
( D ) both A and B
Ans-( D )
24. Semen is frozen in :
( A ) Liquid nitrogen
( B ) Refrigeration
( C ) Ice
( D ) All of these
Ans-( A )
25. Fusogen of Protoplast culture is :
( A ) Liquid nitrogen
( B ) PEG
( C ) Lactic acid
( D ) All of these
Ans-( B )
26. Which vitamin is present in Golden rice ?
( A ) Vitamin A
( B ) Vitamin B
( C ) Vitamin C
( D ) Vitamin D
Ans-( A )
27. The first transgenic crop was :
( A ) Cotton
( B ) Pea
( C ) Tobacco
( D ) Flax
Ans-( C )
28. Which is not transgenic plant ?
( A ) Soyabean
( B ) Maize
( C ) Golden rice
( D ) Cucumber
Ans-( D )
29. Example of transgenic animals is :
( A ) Cow
( B ) Mouse
( C ) Pig
( D ) All
Ans-( D )
