SOAL BIOTEKNOLOGI 02 BIOLOGI
Materi paling akhir biologi SMA yang aplikasi diharapkan bisa menambah semangat setidaknya mengerjakan soal bioteknologi atau untuk keinginan mau melanjutkan kemana setelah jagoan biologi OK
1. Which one is a true statement regarding DNA polymerase used in PCR?
1. Which one is a true statement regarding DNA polymerase used in PCR?
A It is isolated from a virus
B It remains active at high temperature
C It is used to ligate introduced DNA in recipient cells
D It serves as a selectable marker
ANSWER : B
2. Which one of the following is a case of wrong matching?
A Micropropagation-In vitro production of plants in large numbers
B Callus - Unorganized mass of cells produced in tissue culture
C Somatic hybridization - Fusion of two diverse cells
D Vector DNA - Site for t-RNA synthesis
ANSWER : D
3. Which part would be most suitable for raising virus-free plants for micropropagation?
A Meristem
B Node
C Bark
D Vascular tissue
ANSWER : A
4. For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of
A Silicon or Platinum
B GOLDor Tungsten
C Silver or Platinum
D Platinum or Zinc
ANSWER : B
5. The figure below is the diagrammatic representation of the E.coli vector pBR 322. Which one of the given options correctly identifies its certain component(s)?
A Hind III, EcoRI-selectable markers
B ampR, tetR-antibiotic resistance genes
C ori-original restriction enzyme
D rop-reduced osmotic pressure
ANSWER : B
6. The linking of antibiotic resistance gene with the plasmid vector became possible with:
A Endonucleases
B DNA ligase
C Exonucleases
D DNA polymerase
ANSWER : B
7. In plant biotechnology, PEG is used in
A Protoplast fusion
B Cell culture preparation
C Protoplast isolation
D Hardening
ANSWER : A
8. Polyethylene glycol method is used for
A Energy production from sewage
B Gene transfer without a vector
C Biodiesel production
D Seedless fruit production
ANSWER : B
9. Genetic engineering has been successfully used for producing
A Transgenic models for studying new treatments for certain cardiac diseases
B Transgenic mice for testing safety of polio vaccine before use in humans
C Animals like bulls for farm work as they have super power
D Transgenic Cow-Rosie which produces high fat milk for making ghee
ANSWER : B
10. Restriction endonucleases:
A Are synthesized by bacteria as part of their defense mechanism
B Are used for in vitro DNA synthesis
C Are used in genetic engineering for ligation of two DNA molecules
D Are present in mammalian cells for degradation of DNA when the cell dies
ANSWER : A
11. Which of the following enzymes are used to join bits of DNA?
A DNA polymerase
B Primase
C Ligase
D Endonuclease
ANSWER : C
12. Which one of the following bacteria has found extensive use in genetic engineering work in plants?
A Bacillus coagulans
B Xanthomonas citri
C Clostridium septicum
D Agrobacterium tumefaciens
ANSWER : D
13. Restriction endonuclease
A Restricts the synthesis of DNA inside the nucleus
B Cuts the DNA molecule at specific sites
C Cuts the DNA molecule randomly
D Synthesizes DNA
ANSWER : B
14. Plasmid has been used as vector because :
A Both ends show replication
B It can move between prokaryotic and eukaryotic cells
C It is circular DNA which have capacity to join to eukaryotic DNA
D It has antibiotic resistance gene
ANSWER : C
15. A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of
A Trichoderma
B Pseudomonas
C Bacillus
D Xanthomonas
ANSWER : B
