Free Biotechnology MCQs with Answers

731 Biotechnology MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.

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731 questions · page 14 of 37

  • A. PCR
  • B. Recombinant DNA
  • C. RFLP
  • D. Probe

Explanation: The map for each chromosome is presently incomplete, and in many instances, scientistsrely on the placement of RFLPs.

Correct answer: RFLP
  • A. 2 billion
  • B. 3 billion
  • C. 4 billion
  • D. 5 billion

Explanation: There are three billion base pairs in the human genome

Correct answer: 3 billion
  • A. 100
  • B. 200
  • C. 300
  • D. 400

Explanation: There are three billion basepairs in the human genome and it is estimated it could take an encyclopedia of 200volumes, each with 1000…

Correct answer: 200
  • A. 500 nucleotide
  • B. 1000 nucleotide
  • C. 3000 nucleotide
  • D. 4000 nucleotide

Explanation: Each piece of DNA should be of 1000 nucleotides

Correct answer: 1000 nucleotide
  • A. PCR
  • B. Recombinant DNA
  • C. RFLP
  • D. Probe

Explanation: The copy of DNA pieces in human genomic project is made by PCR.

Correct answer: PCR
  • A. J. Craig Venter
  • B. Hamilton
  • C. Sanger
  • D. Maxam

Explanation: The company of J. Craig Venter has sequenced the entire genome.

Correct answer: J. Craig Venter
  • A. Recombinant
  • B. Hybrids
  • C. Transgenic
  • D. Modified

Explanation: Organisms with foreign genes are called transgenic

Correct answer: Transgenic
  • A. Thermocycler
  • B. Bioreactors
  • C. Reactors
  • D. Electrophoresis

Explanation: Bioreactors. Recombinant DNA technology is used to produce bacteria that reproduce in large vats called bioreactors. Transgenic Products.

Correct answer: Bioreactors
  • A. Hepatitis B vaccine
  • B. Growth hormone
  • C. Insulin
  • D. All of the above

Explanation: Biotechnology products produced by bacteria, such as insulin, human growth hormone, tissue plasminogen activator, hemophilia factor Vm…

Correct answer: All of the above
  • A. Biofilters
  • B. Biodegradation
  • C. Biosorption
  • D. None of the above

Explanation: Biodegradation is the process by which microorganisms break down organic matter.

Correct answer: Biodegradation
  • A. Biosorption
  • B. Biodegradation
  • C. Biofilters
  • D. None of the above

Explanation: Biofiltration is a pollution control technique using a bioreactor containing living material to capture and biologically degrade…

Correct answer: Biofilters
  • A. Phage genes
  • B. Suicide genes
  • C. Recombinant genes
  • D. Plasmid genes

Explanation: In the field of genetics, a suicide gene is a gene that will cause a cell to kill itself through the process of apoptosis (programmed cell…

Correct answer: Suicide genes
  • A. Biosorption
  • B. Biodegradation
  • C. Biofilters
  • D. Bioleaching

Explanation: Bioleaching (or biomining) is a process in mining and biohydrometallurgy (natural processes of interactions between microbes and minerals)…

Correct answer: Bioleaching
  • A. Naked cells
  • B. Callous
  • C. Protoplast
  • D. All of the above

Explanation: Protoplasts are isolated cells produced by removing the surrounding cell wall either by mechanical means or by the use of cell wall…

Correct answer: Protoplast
  • A. Cotton
  • B. Corn
  • C. Yeast
  • D. Potato

Explanation: Some corn and cotton plants are both pest and herbicide resistant.

Correct answer: Yeast
  • A. 50 million
  • B. 70 million
  • C. 90 million
  • D. 100 million

Explanation: In 1999 these transgenic crops were planted on more than 70 million acres worldwide and the acreage is expected to triple in about five…

Correct answer: 70 million
  • A. 1960
  • B. 1970
  • C. 1990
  • D. 2000

Explanation: World grain harvests have continued to rise since the 1960s when special high-yield hybrid plants were developed during the so called…

Correct answer: 1960
  • A. Stomata
  • B. RuBP carboxylase
  • C. C4 cycle
  • D. All of the above

Explanation: All of these if improved helps in increasing the yield of crops.

Correct answer: All of the above
  • A. Yeast
  • B. Mouse eared cress
  • C. Bacteria
  • D. Bioreactors

Explanation: A weed called mouse-eared cress has been engineered to produce a biodegradable plastic (polyhydroxy-butyrate) in cell granules.

Correct answer: Mouse eared cress
  • A. Yeast
  • B. Weed
  • C. Corn
  • D. Wheat

Explanation: One type of antibody made by corn can deliver radioisotopes to tumor cells and another made by soybeans can be used as a treatment for…

Correct answer: Corn