You are currently viewing Class 12 Biology Objective In English Chapter – 11 Biotechnology: Principles and Processes
Class 12 Biology Objective In English Chapter - 11 Biotechnology Principles and Processes

Class 12 Biology Objective In English Chapter – 11 Biotechnology: Principles and Processes

Here we are providing Class 12 Biology Objective In English Chapter – 11 Biotechnology: Principles and Processes 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 – 11 Biotechnology: Principles and Processes 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 – 11 Biotechnology: Principles and Processes will help you solve all Class 12 Biology questions chapter 11 smoothly. if you want more notes for various subject then click here

Class 12 Biology Objective In English Chapter – 11 Biotechnology: Principles and Processes

1. For induction of alien DNA is host cell we may use-

(A) Gene gun 

(B) Micro-pipette

(C) Both (A) and (B)

(D) None of these

Ans-( C )

 

2. (amp)R gene is responsible for developing resistance in 

(A) Pest 

(B) Insect

(C) Antibiotic 

(D) Spherosome

Ans-( C )

 

3. Amplification of gene for interest may be done by

(A)MMR 

(B) PCR

(C) MRI 

(D) All of these

Ans-( B )

 

4. Bio reactors provide optimal conditions to produce desired-

(A) Product

(B) Organism

(C) Medium 

(D) All of these

Ans-( A )

 

5. Restriction enzymes are known as 

(A) Biological guns

(B) Molecular scissors

(C)Plasmid

(D) Micro Pipette

Ans-( B )

 

6. The most common bacterium used in genetic engineering is :

(A) Escherichia

(B) Clostridium

(C) Salmonella

(D) Bacillus

Ans-( A )

 

7. Genetic engineering is also called

(A)Recombinant DNA technique

(B) Tissue culture

(C) Cloning vector

(D ) Flow of resources

Ans-( A )

 

8. Which in the following is not Restriction enzyme ?

(A) EcoR1 

(B) Bam H1

(C) Hind III 

(D) Pectinase

Ans-( D )

 

9. Which one is used to observe DNA?

(A) Ethidium bromide

(B) Aniline blue

(C) Saffarine 

(D) Fast green

Ans-( A )

 

10. Bam H1 restriction enzyme is obtained from

(A) Haemophilus influenzae

(B) E. Coli

(C) Bacillus emaloliquifaciens

(D) None

Ans-( C )

 

11. DNA polymerase can be obtained from-

(A) PBR 322

(B) Thermus aquaticus

(C) Agrobacterium 

(D) Retrovirus

Ans-( B )

 

12. In Eco RI of Restriction endonuclease Co represents

(A) Colon 

(B) Coelom

(C) Co-enzyme 

(D) Coli

Ans-( D )

 

13. Fungus is filtered by which enzyme?

(A) Chitinase 

(B) Lysozyme

(C) Cellulose 

(D) Galactose

Ans-( A )

 

14. “Restriction’ enzyme is used to splices which of the following ?

(A) SS-RNA 

(B) ds-DNA

(C)SS-DNA 

(D) ds-RNA

Ans-( B )

 

15. Enzyme ligase is used in

(A) Splitting of DNA

(B) Ligation of broken DNA

(C)To purify DNA

(D) To enhance production efficiency of Bioreactors.

Ans-( B )

 

 16. Ti-plasmid is found in :

(A) Agrobacterium tumifaciens

(B) E.Coli 

(C) B.coli

(D) All of these

Ans-( A )

 

17. Agarose is extracted from

(A) See weeds 

(B) Maize

(C) Cycas

(D) None of these

Ans-( A )

 

18. What is true of plasmids ?

(A) They are found in viruses

(B) They are main parts of chromosomes

(C) They are widely used in gene transfer

(D) They contain genes for vital activities

Ans-( C )

 

19. ‘Cry gene’ prevents which crop from bolloworms ?

(A) Cotton

(B) Mango

(C) Tea 

(D) Wheat

Ans-( A )

 

20. Bacteria has

(A) Plasmid DNA

(B) RNA

(C) Both (A) and (B)

(D) None of these

Ans-( C )

 

21. A molecular technique in which multiple copy of the desired gene is synthesized in vitro is called as

(A) ELISA 

(B) PCR

(C) Gel Electrophoresis

(D) Flow cytometry

Ans-( B )

 

22. Probiotics are

(A) A new kind of food allergen

(B)Safe antibiotics

(C) Live microbial food supplement

(D)Cancer inducing microbes

Ans-( C )

 

23. Which of the following techniques can be to introduce foreign DNA into cell ?

(A) Using disarmed pathogen

(B) Microinjection

(C) Gene gun

(D)All of above

Ans-( D )

 

24. T-DNA is found in :

(A)Ti-plasmid 

(B) phagemid

(C) PBR 322 

(D) PUC 18

Ans-( A )

 

25. The first restriction enzyme used in genetic engineering is :

(A) Eco RI 

(B) Hind III

(C) Eco RV 

(D) None of above

Ans-( A )

 

26. The restriction site chain present inE. Coli.

(A) Eco RI

(B) Hind III

(C) Bam HI  

(D) All of above

Ans-( D )

 

27. Which vector is used in cloning of plants ?

(A) PBR 322 

(B) Ti Plasmid

(C)Both (A) and (B) 

(D) None

Ans-( C )

 

28. Which of the following sequences are recognised by EcoRI restriction enzyme ?

(A) GAATTC

(B) GGCC

(C) AGGCCT

(D) TCCGGA

Ans-( A )

 

29. Which cry gene in the following  prevents boring of crop?

(A) cryIAC 

(B) cryIIAb

(C)crylab

(D) All of above

Ans-( D )

 

30. “Molecular scissors” used in genetic engineering is :

(A)DNA ligase

(B) DNA polymerase

(C) Helicase

(D)Restriction endonuclease

Ans-( D )

 

31. Which is used extensively for genetic engineering in plants ?

(A) Agrobacterium tumefaciens

(B) Xanthomonas citri

(C) Bacillus coagulens

(D) Clostridium septicum

Ans-( A )

 

32.PCR is required for :

(A) DNA synthesis

(B) DNA amplification

(C) Protein synthesis

(D ) Amino acid synthesis

Ans-( B )

 

33. Restriction endonuclease is most widely used in DNA recombinant Technology. It is obtained from :

(A) bacteriophage

(B) bacterial cells

(C) plasmids

(D) all prokaryotic cells

Ans-( B )

 

34. Bacteria protects themselves from viral attack by producing :

(A) Exonuclease

(B) Endonuclease

(C) DNA Ligage

(D) Gyrase

Ans-( B )

 

Leave a Reply