Biotechnology MCQs
Biotechnology MCQs
Answer these Biotechnology MCQs and assess your grip on the subject of Biotechnology. Scroll below and get started!
1: Biotechnology is the use of _______ to improve products and processes.
A. Organisms
B. Chemicals
C. Computers
D. All of the above
2: If your ________ is activated, you will feel relatively at ease.
A. Somatic nervous system
B. Sympathetic nervous system
C. Parasympathetic nervous system
D. Spinal cord
3: During hybridization, _____.
A. The nucleus of a cell is removed
B. Two organisms with desired traits are bred together
C. Nature selects which organisms will survive and reproduce
D. A single beneficial trait is bred into a species
4: Restriction enzymes are obtained from ______
A. Bacteria
B. Restriction enzyme
C. Ligases
D. Sticky ends
5: """sticky ends"" are produced as a result of the action of ______.
A. A clone
B. DNA ligase
C. A restriction enzyme
D. Humulin
6: Human insulin is produced in large quantities by __________.
A. Map the position of cloned DNA fragments
B. Randomly select DNA primers and hybridize these to random positions of chromosomes in preparation for sequencing
C. Recombinant E. coli bacteria grown in large fermentation vats
7: Many identical copies of genes cloned in bacteria are produced as a result of _____.
A. Plasmid replication
B. Bacterial cell replication
C. Transformation
D. Plasmid and bacterial cell replication
8: Free-living organisms in the environment that contain a foreign gene are called ____.
A. Transgenic
B. Plasmids
C. Ligase
D. DNA polymerase
9: In gel electrophoresis dna molecules migrate from _____ to _____ ends of the gel.
A. Acidic ... basic
B. Negative ... positive
C. Basic ... acidic
D. Long ... short
E. Positive ... negative
10: Gel electrophoresis separates dna fragments on the basis of differences in their ________.
A. A:C ratio
B. Length
C. G:T ratio
D. PH
11: Genetic recombination involves the use of ____ enzymes to cut out segments of dna.
A. Restriction endonuclease
B. Plasmids
C. Ligase
D. DNA polymerase
12: In order to insert a human gene into a plasmid, both must _____
A. Have identical DNA sequences
B. Originate from the same type of cell
C. For the same gene product
D. Be cut by the same restriction enzyme
E. Be the same length
13: Plasmid vectors often contain __________ genes that can be used to screen for recombinants.
A. Metabolic activation
B. Antibiotic resistance
C. Insertion sequence
D. Promoter/operator
14: To make restriction fragments, a dna sample is treated with ______.
A. DNA ligase
B. Restriction enzymes
C. Gel electrophoresis
D. PCR
15: When plasmids are used to produce a desired protein, the ______.
A. Plasmids multiply and produce the protein outside of the bacterium
B. Bacterial chromosome is genetically engineered and the plasmid is used to help the bacterium replicate
C. Desired gene is inserted into the plasmid and the plasmid is taken up by the bacterium
D. Bacterial genome and plasmid are inserted into the genome of the cell containing the desired gene (perhaps the cell of a plant or animal
16: Classical biotechnology dates back about _____ years ago.
A. 100
B. 1,000
C. 10,000
D. 100,000
17: Dna microarrays have made a huge impact on genomic studies because they _____.
A. Can be used to eliminate the function of any gene in the genome.
B. Can be used to introduce entire genomes into bacterial cells.
C. Allow the expression of many or even all of the genes in the genome to be compared at once.
D. Allow physical maps of the genome to be assembled in a very short time.
18: Ethical dilemmas raised by dna technology and knowledge of the human genome include ______.
A. The potential for interfering in evolution
B. The safety of GM foods
C. The potential discrimination against people predisposed to certain diseases
D. All of the above
19: Genetically modifying human ______ cells may directly affect future generations.
A. Immune
B. Pancreatic
C. Gametic
D. Intestinal
20: Altering the dna of a species changes the ____ that a cell makes
A. Proteins
B. Lipids
C. Carbohydrates
D. Vitamins
21: On one strand of dna, one nucleotide is linked to the next through _____.
A. Covalent bonds between the sugar of one nucleotide and the phosphate of the next
B. Translate mRNA to produce a specific amino acid sequence
C. Prokaryotic DNA is much smaller than eukaryotic DNA
D. A specific nucleotide sequence in DNA that signals the RNA polymerase to stop
22: Reverse transcriptase produces __________ from an rna template.
A. CDNA
B. CRNA
C. DNA
D. RNA
23: The polymerase chain reaction (pcr) can be used to produce __________ of copies in a few hours.
A. Hundreds
B. Thousands
C. Millions
D. Billions
24: The science that integrates all aspects of biology is called _________.
A. Natural wildlife reserve
B. Biodiversity hot spot
C. Conservation biology
D. Protective wilderness refuge
25: Even-aged management practices involves clearing trees that _______.
A. Are all the same height
B. Are all the same weight
C. Are all near the same age
D. Are all of widely different ages
26: Cloning human genes into the plasmids of bacteria has enabled scientists to __________.
A. Use bacteria as
B. A rat with rabbit hemoglobin genes
C. Use the polymerase chain reaction
D. The inserted (
27: In order to express eukaryotic genes in a bacterium, the __________ must first be removed.
A. Introns
B. Exons
C. Enhancers
D. Sequence
List of Biotechnology MCQs Mul...
Available in:
Biotechnology MCQs
