Biotechnology(General Knowledge > General Science ) Questions and Answers

Question 1. The metal part of an ice skate that comes into contact with the ice; used by runners
  1.    Blade
  2.    Wheelchair
  3.    Bionics
  4.    Limb
Explanation:-
Answer: Option A. -> Blade
Question 2. Which are most closely related to biotechnology?
  1.    medicine and agriculture
  2.    construction and engineering
  3.    water treatment and electricity generation
  4.    communication and information technology
Explanation:-
Answer: Option A. -> medicine and agriculture
Question 3. Which technique would most likely be used by forensic scientists?
  1.    Cloning
  2.    Gene Therapy
  3.    DNA Fingerprinting
  4.    Karyotyping
Explanation:-
Answer: Option C. -> DNA Fingerprinting
Question 4. The hormone created by genetic engineering which is effective for lung and brain cancer is known as
  1.    esomeprazole
  2.    atorvastatin
  3.    Thymosin
  4.    thyroxin
Explanation:-
Answer: Option C. -> Thymosin
Question 5. What is the primary purpose of using restriction enzymes in gel electrophoresis?
  1.    It restricts the number of base pairs that can be tested in a sample.
  2.    It makes the testing simpler by moving the strands into the gel faster.
  3.    It allows the DNA strands to be charged so the electrical current can send the strands into the gel.
  4.    It allows the strands of DNA to be cut into various lengths for testing.
Explanation:-
Answer: Option D. -> It allows the strands of DNA to be cut into various lengths for testing.
Question 6. Why is DNA fingerprinting used?
  1.    To determine who is the child's father
  2.    Link suspects to a crime scene
  3.    determine if a family relationship exist between two people
  4.    all of the above
Explanation:-
Answer: Option D. -> all of the above
Question 7. Which is a transgenic organism?
  1.    a mutation in an animal cell
  2.    an animal cell with no mutation
  3.    bacteria with antibiotic resistance
  4.    a plant with bacterial DNA
Explanation:-
Answer: Option D. -> a plant with bacterial DNA
Question 8. Which best describes recombinant DNA?
  1.    DNA that has been deactivated by enzymes
  2.    DNA found in organelles other than the nucleus
  3.    inserted genes from one organism into another to direct it to produce a protein 
  4.    genes developed when an egg nucleus and a sperm nucleus fuse to form a zygote
Explanation:-
Answer: Option C. -> inserted genes from one organism into another to direct it to produce a protein 
Question 9. Which substance is cut by restriction enzymes?
  1.    DNA 
  2.    carbohydrates
  3.    proteins
  4.    lipids
Explanation:-
Answer: Option A. -> DNA 
Question 10. Which would be the benefit of a transgenic crop?
  1.    decreased drought tolerance
  2.    decreased disease resistance
  3.    increased resistance to pests
  4.    increased demands for nutrients
Explanation:-
Answer: Option C. -> increased resistance to pests
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