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
TRY AGAIN
TRY AGAIN
1. A dividing and undifferentiated mass of cells is called
A Callus
B Embryo
C Explant
D Zygote
ANSWER : A
2. Advancement in genetic engineering has been possible due to the discovery of
A Oncogenes
B Transposons
C Restriction endonuclease
D Exonucleases
ANSWER : C
3. Agarose extracted from sea weeds finds use in
A Gel electrophoresis
B Spectrophotometry
C Tissue culture
D PCR
ANSWER : A
4. Continuous addition of sugars in 'fed batch' fermentation is done to
A Degrade sewage
B Produce methane
C Obtain antibiotics
D Purify enzymes
ANSWER : D
5. Which purine is found in RNA?
A Guanine
B Cytosine
C Thymine
D Uracil
ANSWER : A
6. DNA fingerprinting was discovered by
A James Watson
B Alec Jeffreys
C Frederick Fanger
D Hargobind Khorana
ANSWER : B
7. DNA is found in
A Chromosomes
B Plastids
C Mitochondria
D All of the above
ANSWER : D
8. Dolly, The first cloned mammal, was produced by
A Parthenogenesis
B Artificial fertilization
C Replacement of zygote nucleus by somatic nucleus
D in vitro fertilization
ANSWER : C
9. Embryo culture is used for
A Establishing suspension culture
B Recovery of inter specific hybrids
C Somatic hybridization
D Haploid production
ANSWER : B
10. First artificial gene was synthesized by
A Nirenberg
B Mendel
C Morgan
D Khorana
ANSWER : D
11. Genetic Engineering is
A plastic surgery
B addition or removal of genes
C study of extranuclear genes
D all of the above
ANSWER : B
12. Genomics is the study of
A Genes in general
B Human genes
C Genomes in general
D Human genome
ANSWER : C
13. Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5' ______ GAATTC ________ 3' 3' _____CTTAAG ________ 5'
A Palindromic sequence of base pairs
B Replication completed
C Deletion mutation
D Start codon at the 5' end
ANSWER : A
14. Maximum number of existing transgenic animals is of
A Pig
B Fish
C Mice
D Cow
ANSWER : C
15. One of the following processes involves southern blotting technique
A rDNA technology
B DNA finger printing
C production of transgenic plants
D formation of suspension culture
ANSWER : B
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