Biotechnology and its Applications Set 3
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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Biotechnology and its Applications Set 3
Q1 | Penicillin is obtained from -
- Mushroom
- viruses
- Bacteria and viruses
- Penicillium notatum
Q2 | A bioreactor refers to
- Fermentation tank
- organisms reacting to stimuli
- Nuclear reactor for biochemical reactions
- Tank & biochemical reactions
Q3 | Cells obtained from cancerous tumours are known as -
- myeloma
- hybridomas
- Lymphocytes
- Monoclonal cells
Q4 | Hybridomas are employed for
- synthesis of antibiotic
- Killing cancer cells
- synthesis of monoclonal antibodies
- Production of somatic hybrids
Q5 | Antibiotics inhibits the growth or destroy
- Bacteria and fungi
- Bacteria and viruses
- Bacteria algae and viruses
- Bacteria, fungi and viruses
Q6 | Which of the following is not concerned with biotechnology ?
- Biogas Production
- Sewage treatment
- Biofertilizers
- Wood seasoning
Q7 | The enzymes that cuts specifically recognition sites in the DNA is known as
- DNA ligase
- DNA Polymerase
- Reverse transcriptase
- Restriction endonuclease
Q8 | DNA can be introduced into any cell by
- Injection
- being complexed with Ca salts
- gel electrophoresis
- being placed along with
Q9 | Ability of a plant or animal cell to repeatedly divide and differentiate into a complete organism is :-
- cloning
- DNA finger printing
- cellular totipotency
- mitosis
Q10 | Restriction endonuclease is also known as -
- molecular glue
- DNA ligase
- DNA Polymerase
- molecular scissors
Q11 | Extra chromosomal small cirular double stranded DNA molecule in a bacterial cell is stranded DNA molecule in bacterial cell is
- Plastid
- Plasmid
- Mitochondrion
- Chloroplast
Q12 | Introduction of foreign genes into plant or animal cells using micropipettes is
- Electroporation
- Chemical - mediated genetransfer
- microinjection
- Particle gun
Q13 | Which one of the following is releated with genetic engineering ?
- Mulations
- Ribosomes
- Mitochondria
- Plasmids
Q14 | In bacteria, genes for antibiotic resistance are usually located in
- Plasmids
- Cytoplasm
- Mitochondria
- Nucleus
Q15 | A technique used to make numerous copies of a specific segment of DNA quickly and accurately
- Translation
- transcription
- Ligase chain reaction
- polymerase chain reaction
Q16 | The enzyme that cleaves DNA at specific sites, producing sticky ends is called
- Restriction endonuclease
- Cleaving enzyme
- Lysing enzyme
- Exonuclease
Q17 | Which of the Following is a genetic vector ?
- Plasmid
- Phage
- Cosmid
- All of these
Q18 | Restriction endonucleases are used in genetic engineering because -
- They can degrade harmful proteins
- They can join DNA fragments
- They can cut DNA at specific base sequences
- They can cut DNA at variable sites
Q19 | Ideal host for the amplification of DNA molecules is
- Viruses
- Plants
- Bacteria
- Animals
Q20 | Ti Plasmid naturally occurs in
- Agro bacterium
- Corynebacterium
- Staphylococcus
- Vibrio
Q21 | The sticky ends of Fragmented DNA molecules are made up of
- calcuim salts
- endo nuclease
- un paired bases
- methyl groups
Q22 | Which of the following are the essential requirements for recombination ?
- Single stranded DNA
- DNA ligase
- DNA Polymerase I
- All of the above
Q23 | The Plasmid derived from E.Coli is
- PBR327
- PBR322
- both a above
- None
Q24 | Ti Plasmid is useful in
- bringing new genes into animal cells
- bringing new genes into plant cells
- to nearly any sites on a chromosome
- bringing tumour cells into plant cells
Q25 | Many copies of a DNA molecule in a test tube are procurred by
- Polymerase chain reaction (PCR)
- Molecular chain reaction (MCR)
- Ephemeral chain reaction (ECR)
- All of these