Class 12th Exam Biology Chapter Wise Objective MCQ Question in English
11. PRINCIPLES AND PROCESSES IN BIOTECHNOLOGY
1. Recombinant Protein ‘Hirudin’ has therapeutic use as :
(A) Antivenom
(B) Anticoagulant
(C) Antibiotics
(D) All of these
| Answer :- (B) |
2. Which organ is known as reservoir to store erythrocytes ?
(A) kidney
(B) Heart
(C) spleen
(D) All of these
| Answer :- (C) |
3. Recombinant DNA vaccine is ::
(A) immunogenic lipid
(B) immunogenic acid
(C) immunogenic protein
(D) exogenic protein
| Answer :- (C) |
4. “GAATTC’ is the recognition site for which of the following ?
(A) Eco RI
(B) Eco RII
(C) Hind II
(D) Bam HI
| Answer :- (A) |
5. Restriction enzymes are :
(A) Exonuclease
(B) Endontuclease
(C) Ligase
(D) Polymerase
| Answer :- (B) |
6. Source of Eco RI enzyme is :
(A) Bam HI
(B) E. coli
(c) both ‘A’ and ‘B’
(D) Hind III
| Answer :- (B) |
7. Who discovered Restricted endonculease enzymes ?
(A) Smith and Nathane
(B) Baiger
(C) Waxman
(D) Fleming
| Answer :- (A) |
8. DNA is obtained for DNA finger printing :
(A) WBC
(B) Hair root cells
(C) Body fluids
(D) All of these
| Answer :- (D) |
9. Plasmid is a :
(A) Fungus
(B) Plasmid
(C) Part of plasma membrane
(D) Extra chromosomal DNA in bacterial cell
| Answer :- (D) |
10. The total gene and their alleles in a population is known as:
(A) Gene pool
(B) Gene Bank
(C) Gene flow
(D) Genetic drift
| Answer :- (A) |
11. The first human hormone produced by recombinant DNA technology iş :
(A) Estrogen
(B) Thyroxine
(C) Progesterone
(D) Insulin
| Answer :- (D) |
12. Biolistics is suitable for
(A) Transformation of plant cell
(B) DNA finger printing
(C) Disharming pathogen vector
(D) Constructing recombinant DNA by joining with vector
| Answer :- (D) |
13. Restriction enzymes are known as:
(A) Biological guns
(B) Molecular scissors
(C) Plasmid
(D) Micro Pipette
| Answer :- (B) |
14. Who is the father of genetic engineering ?
(A) Steward Linn
(B) Stanley Cohen
(C) Paul Berg
(D) Kary mullis
| Answer :- (C) |
15. Which of the micro organism is used in alcohol industry ?
(A) Yeast
(B) Lacto bacillus
(C) Amoeba
(D) P.M.V.
| Answer :- (A) |
16. Which Bacterium is used in formation of curd from milk ?
(A) Clostridium
(B) Lactobacillus
(C) ‘A’ and ‘B’ both
(D) Streptococcus
| Answer :- (B) |
17. GAATTC is recognition site for which restriction endonuclease ?
(A) Hind III
(B) Eco RI
(C) Bam I
(D) Hae III
| Answer :- (D) |
18. The specific sequence of DNA recognized by Restriction Endonuclease are :
(A) Palindromic nucleotide sequence
(B) VNTR
(C) Minisatellite
(D) All of these
| Answer :- (A) |
19. 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
| Answer :- (B) |
20. 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
| Answer :- (A) |
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