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Class 12 Biology Objective In English Chapter - 12 Biotechnology and its Applications

Class 12 Biology Objective In English Chapter – 12 Biotechnology and its Applications

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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 )

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