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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Read the Biotechnology notesFree MDCAT chapter notes with key terms731 questions · page 15 of 37
- A. Yeast
- B. Soya bean
- C. Corn
- D. Wheat
Explanation: One type of antibody made by com can deliver radioisotopes to tumor cells and another made by soybeans can be used as a treatment for…
Correct answer: Soya bean- A. Milk
- B. Meat
- C. Antibodies
- D. Drugs
Explanation: Gene pharming, the' use of transgenic farm animals to produce pharmaceuticals, is being pursued by a number of firms.
Correct answer: Drugs- A. In-vitro
- B. In-vivo
- C. In bioreactor
- D. None of the above
Explanation: The eggs are fertilized in a laboratory dish in-vitro. Using a fine, hollow needle, a solution of DNA containing the transgene is injected…
Correct answer: In-vitro- A. Sheep
- B. Goat
- C. Mice
- D. Bovine
Explanation: Antithrombin III, for preventing blood clot during surgery, is currently being produced by a herd of goats, and clinical trials have begun.
Correct answer: Goat- A. Sheep
- B. Goat
- C. Mice
- D. Bovine
Explanation: The scientists of United States Department of Agriculture have been able to genetically engineer mice to produce human growth hormone in…
Correct answer: Mice286. The production of genetically identical copies of the organisms by asexual reproduction is called:
- A. Recombinant DNA technology
- B. Cloning
- C. Gene pharming
- D. None of the above
Explanation: The term cloning describes a number of different processes that can be used to produce genetically identical copies of a biological…
Correct answer: Cloning- A. Sheep
- B. Dolly
- C. Mice
- D. Bovine
Explanation: In 1997, scientists at the Roslin Institute in Scotland announced that they achieved this feat and had produced a cloned sheep called Dolly.
Correct answer: Dolly- A. Uterus cells
- B. Cumulus cells
- C. Skin cells
- D. None of the above
Explanation: In this way, viable cloned mice have been produced from the nuclei of cumulus cells freshly isolated from adult females (10) and…
Correct answer: Cumulus cells- A. Gene cloning
- B. Gene pharming
- C. Gene therapy
- D. Gene sequencing
Explanation: Gene therapy is a technique that uses a gene(s) to treat, prevent or cure a disease or medical disorder.
Correct answer: Gene therapy- A. SCID
- B. Diabetes
- C. Hypercholesterolemia
- D. All of the above
Explanation: Among the many gene therapy trials, one is for the treatment of familial hypercholesterolemia a condition that develops when liver cells…
Correct answer: Hypercholesterolemia- A. RBC
- B. Platelets
- C. Lymphocyte
- D. Macrophages
Explanation: Adenosine deaminase (ADA) is involved in the maturation of T and B cells and, therefore, they are subjected to life-threatening infections.
Correct answer: Lymphocyte- A. Plasmids
- B. Phage
- C. Retroviruses
- D. None of the above
Explanation: Retroviruses are commonly employed as the vectors for gene therapy, due to their unique ability to penetrate the cells of the patients.
Correct answer: Retroviruses- A. Bone marrow
- B. Heart
- C. Liver
- D. None of the above
Explanation: Patients undergoing SCID-X1 gene therapy first have their blood stem cells collected from their blood and treated in a highly specialized…
Correct answer: Bone marrow- A. Diabetes
- B. Blood pressure
- C. Heart attack
- D. All of the above
Explanation: The high levels of blood cholesterol make the patient subject to fatal heart attacks at a young age.
Correct answer: Heart attack- A. Bone marrow
- B. Heart
- C. Liver
- D. None of the above
Explanation: In a newly developed procedure, a small portion of the liver is surgically excised and infected with a retrovirus containing a normal gene…
Correct answer: Liver- A. Radiotherapy
- B. Chemotherapy
- C. Endoscopy
- D. Exoscopy
Explanation: Gene therapy is also being done to cancer patients, which makes them more tolerant of chemotherapy.
Correct answer: Chemotherapy- A. Balloon
- B. Plasmids
- C. Gene therapy
- D. All of the above
Explanation: During coronary artery angioplasty, a balloon catheter is sometimes used to open up a closed artery.
Correct answer: All of the above- A. Hemophilia
- B. Diabetes
- C. Parkinson's diseases
- D. None of the above
Explanation: Perhaps it will be possible to use in vivo therapy to cure hemophilia, diabetes, Parkinson's disease, or AIDS.
Correct answer: None of the above- A. Callous
- B. Totipotent
- C. Clone
- D. None of the above
Explanation: An isolated cell that is able to produce a fertile adult individual. An isolated cell is transferred to a uterus (after inserting into an…
Correct answer: Totipotent- A. J. Craig Venter
- B. Hamilton
- C. Sanger
- D. F.C. Steward
Explanation: Cornell botanist F.C. Steward grew a complete carrot plant from a tiny piece of phloem.
Correct answer: F.C. Steward