Class 12th Biology Most VVI MCQ Objective Chapter Wise Question in English on New Pattern
12. BIOTECHNOLOGY AND ITS APPLICATION
1. Which of the following is a plasmid ?
(A) Bam HI
(B) Eco RI
(C) pBR322
(D) Hind III
| Answer :- (C) |
2. Fusogen of protoplast culture is :
(A) liquid nitrogen
(B) PEG
(C) lactic acid
(D) all of these
| Answer :- (B) |
3. Which vitamin is found in golden rice ?
(A) B12
(B) A
(C) D
(D) C
| Answer :- (B) |
4. Transgenic Golden Rice is enriched with high :
(A) Lysine
(B) Methionine
(C) Glutenin
(D) Vitamin A
| Answer :- (D) |
5. Reagent used in ELISA test is :
(A) Endonuclease
(B) Polymerase
(C) Ligase
(D) Peroxidase
| Answer :- (D) |
6. Recombinant DNA technology discovered by :
(A) Hargobind Khoorana
(B) James D. Watsan
(C) S. Kohen and H. Boyer
(D) Sulton and Boveri
| Answer :- (C) |
7. Biopiracy is related to the following:
(A) Traditional knowledge
(B) Biomolecules and Bioresources, Isolation of gene from Bioresources
(C) Bioresources
(D) All of the above
| Answer :- (D) |
8. The downstream processing of biosynthetic products before is ready for marketing as a’ finished product usually includes : :
(A) Separation
(B) Purification
(C) Both ‘A’ & ‘B’
(D) None of these
| Answer :- (C) |
9. Which of the following is not considered as vector for DNA coloning?
(A) BAC and YAC
(B) Expression vector
(C) T DNA
(D) None of these
| Answer :- (B) |
10. First Transgenic crop was :-
(A) Cotton
(B) Alsi
(C) Pea
(D) Tobacco
| Answer :- (A) |
11. Adjoining of exotic gene in crop is called :
(A) Genetic Engineering
(B) Bio architecture
(C) Tissue culture
(D) Immunisation
| Answer :- (A) |
12. Which one of the following is a step of PCR ?
(A) Denaturation
(B) Annealing
(C) Extension
(D) All of these
| Answer :- (D) |
13. The Ti plasmid used in genetic engineering is obtained from:
(A) Bacillus thruingiensis
(B) E.coli
(C) Agrobacterium rhizogenes
(D) Agrobacterium tumefaciens
| Answer :- (D) |
14. Natural genetic engineer is :
(A) Bacillus subtilis
(B) Pseudomonas sp
(C) Escherichia coli
(D) Agrobacterium tumefaciens
| Answer :- (A) |
15. If any protein encoding is expressed in heterologous host, then it is called as :
(A) Recombinant protein
(B) Heterozygous protein
(C) Antibiotic
(D) None of these
| Answer :- (B) |
16. Lac operon represent :
(A) Inducible gene system
(B) Represssible gene system
(C) Housekeeping gene system
(D) All of these
| Answer :- (B) |
17. Bt toxins are :
(A) intracellular lipids
(B) intracellular crystalline proteins
(C) extracellular crystalline proteins
(D) intracellular polysaccharides
| Answer :- (B) |
18. Which one of the following is not used as bio-fertilizer ?
(A) Bacillus thuringiensis
(B) Anabaena
(C) Nostoc
(D) Rhizobium
| Answer :- (A) |
19. The first clinical gene therapy was done for the treatment of
(A) AIDS
(B) cancer
(C) cystic fibrosis
(D) SCID (Sever Combined Immune Deficiency resulting form deficiency of ADA)
| Answer :- (D) |
20. Silencing of a gene could be achieved through the use of:
(A) RNAi only
(B) antisense RNA Only
(C) both RNAi and antisense RNA
(D) none of the above
| Answer :- (C) |
21. ‘Cry gene’ prevents which crop from bollworms?
(A) Cotton
(B) Mango
(C) Tea
(D) Wheat
| Answer :- (A) |
22. Which type of bonding is present in between nitrogenous bases of nucleic acid ?
(A) Peptide bond
(B) Ester bond
(C) Both ‘A’ and ‘B’
(D) Hydrogen bond
| Answer :- (D) |
23. Artificial seed is formed with the help of:
(A) Somatic embryo
(B) Polyembryony
(C) Both ‘A’ and ‘B’
(D) None of these
| Answer :- (A) |
24. The toxic protein secreted by Bacillus thuringiensis is :
(A) Tubulin
(B) Insulin
(C) Cry protein
(D) All of these
| Answer :- (C) |
25. amp gene is responsible for developing resistance in :
(A) Pest
(B) Insect
(C) Antibiotic
(D) Drought
| Answer :- (C) |
26. Cry IAb controls :
(A) Corn Borer
(B) Wheat Rust
(C) Cotton insects
(D) Maize height insects
| Answer :- (A) |
27. Trasgenic mice may be used for testing of:
(A) The safety of vaccines
(B) Efficiency of fertilizers
(C) Doses of antibiotics
(D) All of these
| Answer :- (A) |
28. RNAi is used to control pests on which plant ?
(A) Tobacco
(B) Mango
(C) Potato
(D) Poppy
| Answer :- (A) |
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